Recycling Essay Examples

Essays on Recycling

Today’s world largely relies on constant and vast use of products, services and materials, the economy and expected living standards rely on consumers spending. And as such we generate vast amounts of waste every day – of all types, from simple food waste, old newspapers, and plastic bottles to complex assemblies and devices that could sometimes be repaired to useable condition. On the other side, we also generate a huge demand for materials to fuel our consumption, but these are required to be in cleaner, consistent, and often raw form. Therefore, an opportunity arises to address the problem of material demand by utilizing the recyclable products caused by the same increased consumption. The report below will summarize the differences in characteristics of recycled materials from their “new” counterparts, while also discussing the manufacturing and recovery processes, markets and alternative solutions.

 Integrated Sustainable Waste Management
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Introduction Rapid economic development, unprecedented population growth and rapid urbanization are the primary issues related to municipal solid waste management in Nairobi City, thus accelerating the dire need for ISWM. Solid waste generation has been estimated at 2,400 tonnes per day in 2004 from 1500 tonnes per day in 1998 (JICA 1998, Bahri 2005). Nairobi city faces similar challenges like most cities in developing countries primarily linked to inadequate financing, lack of awareness on good sanitary practices, inadequate legal and…...
RecyclingRecycling Of Plastic
More Recycling should be Encouraged
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In this presentation I will cover the positive impact of Recycling for our community, country,and World. Recycling Basics Recycling is the process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products. When some people hear the word Recycling, first thought that come to their mind, this is a government issue, they should fine or sue to manufactures in order to produce better food packaging or produce just eco friendly products.…...
Free EssaysRecyclingSay No To Plastics
Sustainability through Recycling of Humanities Trash
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Overflowing heaps of humanities trash, razing the rainforests for rare resources, production prices spiraling to unprecedented levels. These are the rigid realities that face us if we don’t recycle. Executive summary In this report we will discuss with you: The process of recycling The conversion of recycled materials The comparison of Kenosha and Racine to other cities and townships Environmental policies and the political aspects of recycling systems Our recommendations for improving recycling in our community I’m sure you all…...
PollutionRecycling
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Environmental Sustainability at Walmart
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In the vitality part, they will probably utilize 100% sustainable power source later on. At present, they are utilizing sunlight based vitality in a large number of their retail locations. They are likewise limiting their losses by utilizing sustainable material for their bundling and transportation. Walmart has presented paper shopping packs that would be a substitution of their plastic shopping sacks later on. Walmart has figured out how to chop down 28.2 million metric tons outflow of ozone-depleting substances from…...
PlasticRecyclingSustainabilityWalmartWalmart Pros And Cons
The Concept of Sustainability in Engineering
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Introduction Human society is fulfilled with lots of discoveries and developments. Sustainability is the concept to the relationships between human and nature. Sustainability is the study that analyzes how natural systems are different and produce everything they need to be balanced with the environment. It admits that human civilization will take resources to uphold our modern life. There are numerous examples of human history, where a civilization has damaged its own environment and seriously affected its own variations. Sustainability helps…...
DesignEngineeringEntrepreneurshipInnovationNatureRecycling
Fast Food Industry in India
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Jubilant FoodWorks (2017) states that India's present day fast food market is one tenth the size of China's fast food market. India's market is growing on a very fast pace and is expected to grow even more due to two reasons :  Dynamic consumer preferences Present day India has the largest youth population in the world The population of our country amounts to around 1.27 billion and the number of fast food chain outlets are only 2,700 which emphasises on…...
BusinessFast FoodFoodIndiaRecycling
Going Green in Office
Words • 2072
Pages • 9
Going green is a term used for conservation of energy and preservation of the environment. Facing with environmental hazards of pollution like the global warming, citizens from every part of the world are doing their contributions in lessening the emissions of green house gases . A world agreement like the Kyoto Protocol is one of the manifestations that the world is serious in preserving the environment for future generations. This paper describes the current situation of pollution brought by offices…...
Go Green Go CleanPollutionRecyclingSustainabilityTechnology
How Running Has Changed Athletes and the Environment?
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The Elusive 2 Hours When it comes to technology, most people immediately think of electronic devices such as computers and smartphones. It surprises many people that shoes have a similar level of technological development and grow at a similar rate. Companies like Nike and Adidas are introducing revolutionary technology in the shoe market to further increase runners performance in marathons, pushing closer to the dream of breaking two hours. The current record is held by Kenya’s Eliud Kipchoge by running…...
NikeRecyclingRunning and joggingShoes
Explorative Paper: Benefits and Costs of Waste Recycling
Words • 1943
Pages • 8
After much thought and brainstorming, I have found a couple controversial topics that are worthy of consideration as a final paper. The topics include waste recycling, which entails the benefits and costs on a community as well as the environment when recycling occurs, the controversial debate of Lake Powell and whether or not to drain the man-made lake, and the issue of zoos with their attention to animal rights. Each has significant pros and cons to the relative matters and…...
RecyclingWaste Management System
The Potential of Food Waste to Energy for Small Communities in India
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Abstract Food waste is a global-scale phenomenon, Food waste generated in India is huge and waste segregation methods are still inadequate and is a growing issue. With less than 55% of waste collected and less than 17% processed (Arian, 2018). Moreover, landfills are held for being the largest GHG emitters. This topic has gained popularity & momentum in recent years. This paper proposes the problems and challenges faced during the waste segregation process, decomposition of waste with different technologies, and…...
Climate ChangeCommunityFood Waste And Its ImpactIndiaLove Food Hate WasteManufacturing
Market Discussion
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The practice of selling old, damaged, recycled, obsolete or illegal products in markets outside of the US or Europe would present minimal problems in the global economy if managed correctly. The marketability and usability of each classification of products must first be determined. Definitions of a category may be different in various markets. Old product that is for human consumption may not be something a company would want to export. Quallity of product for human consumtion should not be minimized…...
EconomicsMarketingRecycling
Management option
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Pages • 3
Recycling is the process, by which used materials are made into new products so as to minimize waste of potentially useful resources, reduce usage of energy, decrease the usage of raw materials and cut down on pollution which has far reaching implications on the environment. Therefore, there is a need to lower the emission of green house gases such as Carbon dioxide. Recycling can also be referred to as a modern waste management technique. Recyclable materials include various kinds of…...
EnvironmentEnvironmental IssuesManagementNatureRecyclingSustainability
Water Recycling Scheme Summaries Environmental Sciences Essay
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Water reuse refers to doing good usage of diverse beginnings such as rescued H2O or treated H2O instead than fresh imbibing H2O supply for specific intents such as irrigation, industrial or environmental utilizations ( Water recycling in AU, 2004 ) . Direct drinkable reuse refers to the H2O which is conveyed straight from intervention works to the H2O supply system is extremely treated and suited for imbibing H2O usage ( Water recycling in AU, 2004 ) . Indirect drinkable reuse…...
EnvironmentRecyclingScienceSustainabilityWater
Waste Pollution Research
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I am going to research waste pollution. I have chosen to research waste pollution because it is a topic of general interest which is effecting the environment and health of many people. I am going to research this topic area by first using primary sources, writing letters and trying to interview waste disposal, incineration and landfill companies and also local governments and councils to get their views and what they are doing to stop waste pollution. I will also be…...
Environmental IssuesManufacturingMaterialsPollutionRecyclingResearch
Waste minimisation in Singapore
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Since its independence in 1965, Singapore has achieved rapid industrialisation and economic growth. From having a small manufacturing base, producing simple products such as biscuits, soap, canned pineapples etc. today we have built diverse manufacturing industries including chemical industry, electronic industry, bio-medical industry, services industry etc. However, this progress has also brought along with significant waste challenges to us. From 1974 to 2008, our population increased about 2-fold. But our total annual waste disposal increased from 0. 5 million tonnes,…...
EconomyNatureRecyclingSingapore
Waste Management In Mauritius Environmental Sciences Essay
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Mauritius has known a rapid economic growing which gave rise to a considerable alteration in the types and volume of waste generated by the different sectors of the economic system annually. One of the most of import environmental concerns both on the island of Mauritius or Rodrigues is without uncertainty the proper aggregation, storage and disposal of industrial, commercial and municipal solid waste.Human produces stuffs from its assorted activities which are normally excess and thrown off, known as solid waste…...
ChemistryEnvironmentEnvironmental IssuesManufacturingPollutionRecycling
Waste Management And Remedial Measures Environmental Sciences Essay
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Waste is being generated by the world from the get downing itself like that of the animate beings they hunted for, castanetss, wood from trees etc..Its merely that as the clip passed, the composing and the sum of waste generated has shown a drastic alteration. The advancement of civilisation resulted in the coevals of more complex nature of waste. The increasing industrialization and consumerism from the nineteenth century resulted in pollution of Earth by the burgeoning coevals of non-biodegradable waste.…...
EnvironmentPollutionRecyclingScienceWaste Management System
The Problems Associated With Exponential Growth Environmental Sciences Essay
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Define exponential growing. Describe the connexion between exponential growing and environmental jobs. Exponential growing is the growing in which some measure, such as population size or economic end product, increases at a changeless rate per unit of clip. The connexion between these two is that exponential growing plays a cardinal function in five of import and interrelated environmental jobs and issues by holding population growing, resource usage and waste, poorness, loss of biological diverseness, and planetary clime alteration. But the…...
EnvironmentMoneyNaturePollutionRecyclingScience
What is rubbish?
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Introduction It is commonly defined as a thing that has no worth, something nobody wants, disvalued and worthless, therefore equalling no value. This is a complex question to answer as there are many types of ‘Rubbish’, and defining exactly what can be classed as rubbish, as a widely known quote states ‘one person’s rubbish is another person’s treasure’. There are many factors to consider when discussing rubbish, and if it has ‘no value’. ‘Value’ can mean many things Value is…...
BusinessDemandFinanceMoneyPollutionRecycling
Riordan Manufacturing: Importance of Sustainability
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In the same way, technologies, strategies, products, or practices Ordain Manufacturing may use to increase sustainability will be identified. Lastly, Team B will identify the three best practices for the company to implement. In reference to the current business practices audit, Ordain Manufacturing has identified waste production and energy consumption as targets for sustainability efforts. To be specific, there will be an energy use reduction while increasing the use of renewable energy sources. Secondly, there will be a reduction of…...
ManufacturingNaturePlasticRecyclingSustainability
Nestle: Achieving Sustainability Through Lean Production
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SEMINAR REPORTonCuddleAchieving Sustainability Through Lean ProductionContentssAbstractionIntroductionThin ProductionExtinguishing Waste... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 5Just-In-Time... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... .7Benefits of Thin Production... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ..7Decision... ... ... ... ... ... ... ... ... ... ... ...…...
NestleProductionRecyclingSustainabilityWater
Green Hotels
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With the recent discussion about pollution and environmental conservation, several businesses and organizations are beginning to pay more attention on how they can conserve their environment. Recently, laws have been made that heap heavy penalty on companies and organizations that do not protect their environment. In order to avoid this, several companies and establishments have sought out ways of maintaining environmental safety conserve the environmental resources. Green Hotels is such an initiative that aims at promoting environmental conservation while reducing…...
EconomyHotelNatureRecycling
Going Green Initiatives And Malaysian Services Environmental Sciences Essay
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The chief aim of this research proposal is to discourse how the research procedure will be carried out on the selected subject. The subject for this research is `` Service Industry ( Food and Beverage industry ) perceptive on implementing 'Go Green ' enterprise in Malaysia '' . This subject is chosen due to the fact that there is a limited research that applies to the Malaysian F & A ; B market.The intent of this proposal is to demo…...
EnvironmentGo Green Go CleanGreen EnvironmentInformationPerceptionPollution
Go Green with Paper Carry Bags
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Active awareness for the environment has only actually surged in the past decade, but people are quick to pitch in and help save the planet. With the increase in environmental awareness come the methods of preserving and even restoring nature. Everywhere, one can come across people using plates, cups, and various food containers made of paper, and cardboard, PET plastic, widely known as the best out of recyclable plastic materials and even cloth or paper carry bags. Why paper? Why…...
FoodGo Green Go CleanManufacturingPlasticRecycling
Focusing on the Environment : The Ban on Plastic Bags
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Introduction : Australian Retailers Association view and policy. At the begining of this year, China proposed a ban on all plastic bag to be in place by June. The Australia's Federal Environmen Minister Peter Garret followed suit and wanted a similar ban in Australia by the end of thsi year. He planned to have this legislated so that the ban could be legitimate. This propsal has been received by mixed reaction from all interested stake holder in the retail segment.…...
AustraliaBanning Of Plastic BagsEnvironmentPlasticPlastic PollutionRecycling
Fashion Marketing Concept. The function of Fashion Marketing
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Marketing and design are seen as a relationship in the fashion marketing concept. Those who produce expensive garments for an elite market need only worry about sufficient promotion to succeed. The alternative view is that people can not choose what they like until presented with decisions. The fashion marketing concept demonstrates that failure will occur only if there is a low concern for customers, profits and designs. It embraces the interdependence of marketing and design. This only occurs when the…...
ClothingFashionFashion IndustryMarketingRecyclingSynthetic Fibres
Ethical Trading
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Tesco with a external policy which is Tesco participates in the Ethical Trading Initiative and The Fair Trade Foundation. The company insists that suppliers respect the ILO conventions. Tesco has an official policy in relation to animal testing and GMOs. In its policy on establishing new branches, Tesco takes social aspects into account, such as the creation of employment for those with a low level of education and the regeneration of economically deprived regions Community Communities especially local communities has…...
BusinessCustomerEthicsFair TradeRecycling
Environmental constraints
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An external influence is an influence that takes place outside the business that still has an affect within the business and their overall performance. The three main external influences are: market competition, economic conditions and environmental constraints. Environmental constraints: Environmental constraints are the environmental issues that affect the business. This means that a business would have to do all the things necessary in order for them to be considered "environmentally friendly" which will increase the reputation of the business. Some…...
Air PollutionEnvironmentNoisePollutionRecycling
Electronic Waste Management In India Environmental Sciences Essay
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Summary: The current patterns of e-waste direction in India suffer from a figure of drawbacks like the trouble in inventorisation, unhealthy conditions of informal recycling, unequal statute law, hapless consciousness and reluctance on portion of the corporate to turn to the critical issues. The effects are that toxic stuffs enter the waste watercourse with no particular safeguards to avoid the known inauspicious effects on the environment and human wellness and resources are wasted when economically valuable stuffs are dumped or…...
Electronic Waste ManagementEnvironmentIndiaIndian Science Achievements And ChallengesMaterialsRecycling
E-Waste Management Market is Expected to Reach
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Analysis of the market indicates that the global volume of E- waste accounted for 57. 7 million tons in 2013. To view the report, visit the website at http://www. Ultraconservatives. Com/e- wastefulness-market StEP (Solving the E-waste problem) is a German based establishment that manages the processing of E-waste in developed countries. Ruddier Queer, executive secretary of StEP, states that Rapid product innovations and replacements for electronic gadgets account for the rise in E-waste worldwide. The monumental rise of E-waste brings…...
ManufacturingRecyclingTechnologyWaste Management System
Corporate social responsibility position of Volvo
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The environment is amongst Volvos three core values; this means that the protection of it is taken very seriously. Volvo has been at the forefront with regards to the environment for a long time. Their main successes include engineering the first hybrid gas and electricity concept car whereby all the materials used in it's production did not cause any damage to the environment while at the same time being recyclable. Their success is largely dependent on the interest of the…...
Air PollutionCarRecyclingResponsibility
Contemporary influences on design practice
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Pages • 9
`` There are professions more harmful than industrial design, but merely a really few... by making whole new species of lasting refuse to clutter up the landscape, and by taking stuffs and processes that pollute the air we breath, interior decorators have become a unsafe strain...In this age of mass production when everything must be planned and designed, design has become the most powerful tool with which adult male shapes his tools and environments ( and, by extension, society and…...
DesignEcologyInfluenceRecyclingSustainability
Cleanliness: Recycling and Solid Waste Management
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Pages • 2
Due to rapid arbitration and uncontrolled growth rate of population, solid waste management has become acute in India. The current practices of the uncontrolled dumping of waste on the outskirts of countries have created a serious environmental and public health problem where as many issues. Plastic waste which is biggest problem in waste management is recycled in India in an "unrecognized" way. 60% of the plastic-waste collected and segregated gets recycled back into materials for further processing into consumer products,…...
CleanlinessRecyclingSolid Waste ManagementSustainability
Business and Sustainability
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Pages • 4
The website sustainable-development.gov.uk (2007) mentions that there are different definitions of sustainability, but one of the most common one accepted world wide is as follows, “development which meets the needs of the present without compromising the ability of future generations to meet their own needs” There are many ideologies and policies that are involved such as the ecological issues related, ethical, technological, social, legal and political just to name a few. The social and legal issues are explained in greater…...
BusinessPolicyRecyclingSustainability
Body Shop Company
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Pages • 5
“The body shop is committed to being an environmentally responsible retailer. They strive to ensure that the business activities will always contribute to the well being and aspirations of current stakeholders without compromising the needs of future generations. They will apply best practice throughout the business activities and take on a leadership role in areas where they can make a difference and set examples to the industry. They will focus our efforts on issues where their activities have direct environmental…...
BusinessCompanyPolicyRecycling
An Environmental Risk Assessment Environmental Sciences Essay
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Pages • 38
All over the universe, rapid industrial development of metropolitan metropoliss have ever resulted in a growing in population and besides in the general addition of the size of municipal solid waste generated. The direction of municipal solid waste, if non handled decently, will take to assorted jobs now and in the hereafter. Developed states in the universe have, to a big extent succeeded in managing their waste utilizing assorted rules and methods. From suited aggregation methods to technologically advanced disposal…...
EnvironmentEuropean UnionPollutionRecyclingScienceSustainability
Advertisement Analysis
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Pages • 1
The advertisement is about the “Junk Removal. ” It encompasses that idea of recycling and bringing out the modern version of Houston community. “We’ve seen all kinds of junk, including broken appliances, old furniture, and office equipment, computers, and renovation and construction debris. Being a local junk hauling company, we take pride in taking care and giving back to the Houston community (Junk Removal, 2008). ” Therefore, in order to bring back the tormented places where junks exist within the…...
AdvertisingRecyclingWorld Wide Web
Dell Case Study: Circular Economy and Closed-Loop Ecosystems
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Pages • 5
The case study discusses Dell's approach through the use of circular economy and closed-loop ecosystems to be responsible on e-waste disposal. One of the main strategies to elevate productivity for Dell and its customers is the attempt to develop a sustainable supply chain. For starters, electronic waste (e-waste) is when electronic products or devices come to the end of their "useful life." Many of the electronics items found in the workplace or at home can be recycled such as computers,…...
Case StudyDellEcosystemPlasticRecyclingSustainability
Ecological Household Stuff and Healthy Food
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Pages • 4
Plastic bottles of shampoo are cheaper, using disposable nappies is quicker, avoiding palm oil is more difficult, but it all is ultimately worth it and can be easily done when you look in the right places. We have taken a step in the right direction with electric cars, increased recycling and reduced food waste. Nevertheless, we are a lazy species. We expect things to happen all in one fell swoop. We think we do not need to work for things.…...
Healthy FoodHouseholdManufacturingMaterialsPlasticRecycling
Feasibility Study on Flexible Porous Surface
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Pages • 9
Abstract One of the major issues faced in a solid waste management is E waste recycling and the accumulation of E waste, with developmental activities of various cities e waste also increases. The major portion of the materials that are harmful in nature and recyclable parts are retained, parts that are non-reusable parts are being landfilled that causes illness to the ground. The major part of the project focuses on the surface coat of the flexible pavement in the form…...
ConstructionElectronic Waste ManagementEnvironmentEnvironmental IssuesManufacturingMaterials
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Waste Amount and Waste Management

As a natural byproduct of product consumption as well as product manufacturing waste is generated, and while companies and consumers strive for reducing its amount, to help sustainability and efficiency, the fact of the matter is, the amount of waste is not reducing and is projected to increase by as much as 70% in the next 30 years (the World Bank, 2018) – these are catastrophic levels that require urgent action. As much as 69.7% of that waste is currently landfilled or otherwise dumped, making the waste management process very inefficient, as can be seen from the World Bank figure below.

Reusing Old Items

Products that are discarded after use and reused without modifications, for example being sold on to other consumers on the secondary market or donated can be an effective way to reduce the number of waste output at a given time, as some of the products are discarded while still being able to perform their functions, or requiring minimal repair. Such reuse of products by other parties is also referred primary recycling (Recycling Consortium, 2014).

Recycling and Upcycling

This method of dealing with “unneeded” products involves modification of the products or use by parts to serve an alternative purpose – this often leads to reuse for aesthetic purposes, such as decorations or fashion/clothing. This so called secondary recycling (Recycling Consortium, 2014) can also mean reuse of the materials without significant chemical reactions, such as using rubber tires for soft surfaces (Eco Green Equipment, 2016) or unconventional materials for low load construction materials, going as a far as utilizing freeze dried blood in brick manufacturing (City Metrics, 2015).

Dumping rubbish at a landfill is an age-old method of waste management and in some forms can serve as a temporary storage of materials that will be later recycled or incinerated (possibly with energy recovery), options that will be discussed later. In these cases, landfill acts as a temporary storage for the products and extends their lifecycle in a time and space inefficient manner. However, landfill can also act as a final stage of the recyclable product lifecycle, similarly to how non-recyclable materials are dealt with.

Unfortunately, these methods do not directly deal with removing waste and satisfying material or energy demand, but rather store it in a different form until it is discarded. At the same time primary and secondary recycling are excellent ways to increase sustainability of non-recyclable materials.

While it is difficult to survey comprehensive information on waste on large scale and data can be seen as rough estimate at best, as shown in the figure above obtained from a World Bank report, the most significant recyclable material groups among the waste thrown away globally are: It should also be noted, that these materials are recovered for recycling at different rates (on average less than 50%), as global recycling rates are as low as 13.5%. And while paper can be recycled multiple times and is easier to sort for consumers, reaching recycling rates of as high as 66.8% in developed countries (Sukalich, 2016), plastics cannot be recycled as often and contain a lot less recyclable material (as thermosets/elastomers are not typically recyclable).

Recycling of Paper & Cardboard

Depending on the location or council, paper can be collected by different categories, often including mixed (for paper, glossy magazines & cardboard) or office paper only. After collecting the paper from the recycling containers it is sorted using a mix of manual and automated sorting – for example rollers for mass separation (cardboard vs paper), digital vision for color separation or manual separation of plastic and foreign objects (British Broadasting Company, 2015).

After paper is separated from other waste and sorted by grade and type (Complete Recycling, LLC, n.d.), the paper is cleaned from inks, adhesives, staples and other contaminants by washing and wetting it with soap & chemicals and water to separate the fibers and transform the paper into a “pulp”. This pulp is continuously cleaned of inks and contaminants using chemicals, screens and filters as it is mixed. Pulp is then absorption-dried, rolled, pressed and heated to create a sheet of recycled paper (Sukalich, 2016). Depending on source, additives, thickness and geometry a different type of paper product is made. It can then be treated to give it a colour or texture, ironed to remove unnecessary wrinkles and rolled for bulk transportation. Rolls are quality checked and graded and can then be cut or used by manufacturers (British Broadasting Company, 2015).

Paper fibers cannot be recycled indefinitely – cellulose fibers can only be recycled about 5-7 times before becoming too short and brittle, as it is broken down during pulping, chemical processing and cutting (Environmental Protection Agency, 2016). Longer fiber paper has more flexibility and produces higher grade stock at the end of recycling process, while shorter fiber paper is used for making other short fiber, lower grade paper, such as in newspaper. As such, upon recycling the paper can only be used for making other paper products of equal or lower grade (unless “virgin” material is added (New York Times, 2010)).

Recycling Plastics

Depending on the location, the consumer plastics are categorized for recycling in different ways prior to curbside collection: Of these, categories from 3 to 7 are not widely recycled either due to toxins, difficulty of processing or a small market size (EarthEasy, 2012).

Material is then washed, steamed and treated with chemicals to remove labels and surface contaminants. The plastics are then sorted manually, by mass and using near infrared vision (as different plastics can react and change colour when sufficiently heated), this important step helps remove non recyclable plastics and non-plastic materials, for example “PVC bottles turning slightly brown, providing for easier identification and removal “ (The Balance SMB, 2018).

When the plastic is appropriately separated into categories, it is processed by first cutting and grinding the products into flakes. These are then washed, disinfected and decontaminated to provide highest quality output. Flakes are also separated by density using sink/float baths which can also help separate foreign materials which were integrated/fixed in the plastic parts. The flakes are then rinsed and dried, after which they are ready for use by manufacturers (The Balance SMB, 2018).

In order to achieve an even higher purity (and thus quality), some recycling plants utilize a “melt filtering” process, where the cleaned flakes are molten and passed through series of screens that stop any unmolten impurities that were left in by earlier processes. The melt is then extruded into pellets of higher quality plastic ready for use (The Balance SMB, 2018).

Problems caused by changes to structure and characteristics

Unfortunately, plastics experience a wide range of changes to their characteristics that are important for their applications: Aesthetics suffer as a result of recycled plastics developing defects, such as visible flowlines, poor surface finish making it difficult to paint or have glossy products and trace of metallic particles. A lower selection of colours is available among recycled plastics. This makes recycled plastics less desirable for use in parts visible to consumers (Ellen Macarthur Foundation, 2017). Moreover, some contaminants even cause an unattractive smell in a recycled plastic product or may be toxins making the recycled material unsuitable for use in food containers (Wageningen University & Research, n.d.)

Listed mechanical characteristics are also reduced which can be corrected by changes to part geometry (e.g. wall thickness), but more importantly they experience larger variations than those of their new counterparts and as such are less suitable for critical parts (Drummond, 2015). Contaminants can also affect the manufacturability of the output plastics, reducing their potential to be film extruded or blow moulded.

Recycling Metal

Unlike plastics and paper, virgin metal materials cannot be made sustainably and always utilize metal ore, which is a limited supply. Together with metals’ excellent recyclability, this creates a lot of demand and value for metal scrap. Metal recycling process not only reduces demand for ores, but also uses less energy than virgin metal extraction – with reductions of as much of 56% for steel and over 90% for aluminium (The Balance SMB, 2018). This means that metals have a very high recovery rate and while only around 30% of metal is recycled currently, nearly 40% of global steel production uses recycled steel

Collection and Sorting of Metal

Metals are considered more valuable (many non-ferrous metals especially) as their supply is limited and as such the scrap retains a higher cost and is less likely to end up in a landfill or an open dump. After collecting the metals curbside or having a direct aggregated delivery to the sorting facility (e.g. excess trimmings from a metal stamping process), the metals are sorted by type, using color (e.g. yellow/red copper, light gray aluminium), density and, very importantly, their magnetism – which usually indicates ferrous metals (n.b. – electromagnets can be used to separate even nonferrous metals from general waste stream) (Rick Leblanc, 2018)

The categorized metals are then shredded and melted at an appropriate temperature, before they are decontaminated to remove any remains of non-metal materials or alloys of different melting temperatures and densities. A common purification technique used to increase metal quality is electrolysis, which will leave pure metal a the poles while letting sink the impurities that would otherwise contaminate and alter the metal characteristics, making it for example more brittle or less conductive (Anglia Campus, n.d.).

FAQ about Recycling

How Running Has Changed Athletes and the Environment?
...The Christian Science Monitor, p. The Christian Science Monitor, May 11, 2016. Woolf, Jake, and Nils Ericson. “Adidas Boost: the Sneaker Technology That Changed a Company's Fortunes.” GQ, GQ, 1 Feb. 2018, www.gq.com/story/adidas-boost-hist...
What is rubbish?
...To conclude with this essay, in order for something to be labelled as ‘rubbish’ items would have to be declared as Rubbish, waste holding zero value to anyone, because if something still holds value to somebody either financially or emotionally t...

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