Recycling and disposal of electronic waste preface waste of electrical and electronic equipment is generated in enormous amounts around the globe today, and has become a global environmental issue. The recycling of obsolete computers and electronic equipment is important. The recycling process works by mechanically separating the metals, plastics and circuit boards contained in the appliance. Although the trucks all look similar, recycling and yard waste trucks are marked with recycling symbols. Recent types of cell phones, computers or tvs are usually checked and refurbished or disassembled for.
When this is done on a large scale at an electronic waste recycling plant, component recovery can be achieved in a costeffective manner. Ewaste management, disposal and its impacts on the environment. In lieu of extracting copper, they literally burn off the plastic insulation and silicon tracks which instead of saving the environment, adds up a whole lot of toxic. Pdf beneficial reuse of waste products researchgate. Recycling electronic waste is an expensive and intricate process. Incineration as a way in the recycling of polyurethane wastes occupies an important position 9, especially for those who cant use other methods of recycling wastes, burning can be a kind of good method. Electronic waste university of california, berkeley.
Household hazardous wastes hhw are those wastes produced in our households that are hazardous in nature, but are not regulated as hazardous waste, under federal and state laws. By reducing or eliminating the generation of harmful and persistent wastes, waste minimisation supports efforts to promote a more sustainable society. Pdf waste disposal and pollution management in urban. Collect bottles, glass, plastic, newspapers or books and take them to your local recycling center or a charity in need. Metal extraction processes for electronic waste and existing. Waste management methods can have adverse effects on the environment in. Recycling of organic waste practical action 3 combustion on an open fire to complex energy production processes that use this waste as a fuel stock. Regulation the county will administer its waste regulation programs to protect public health and the environment, and will strengthen county licenses and ordinances to shift waste management to the highest level of the hierarchy. What are the different methods used in reusing and recycling. Jun 28, 2016 chemists find new method for recycling common plastics as fuel. Recycling, yard waste and trash are collected once a week. There are several methods for determining your collection day. Secondary raw materials derived from recycled waste are being increasingly sought.
Create a community dropoff site for old computers at a neighborhood school. International journal of environmental science and. Today, the most general method of waste disposal is by using landfills. Pdf directions of future developments in waste recycling. In order to deal with the current situation us has adapted certain e waste disposal methods, so let us peek into these methods. Set up a composting program for your neighborhood or school. In addition to the intrinsic material value, there are more benefits to e waste recycling, such as job and employment creation. Study on assessment of separate collection schemes in the 28. Now the emphasis is laid mainly on the proper e waste disposal and for the prevention of contamination at abroad and home both. The cost and com plexity of disposal methods raise the question of municipal cooperation in order to achieve economies. Emission reductions fromwaste treatment and disposalin germany.
Crude recycling methods used in developing countries contaminate air, water and soil, researchers say. After an introduction to the objectives, scope and methodology of this study, the second chapter introduces the fundamentals of ewaste recycling, including. Select a waste recovery or disposal method for your. Mar 17, 2015 in many cities, small incinerators are used for burning hospital waste. Construction and demolition debris recycling apply. E waste as well as the recycling process of e waste that is carried out to recover the valuable materials out of it can be dangerous, as it pollutes the environment, if the process is not carried out properly. New plastic recycling process uses no water and cuts costs in half. Chemists find new method for recycling common plastics as fuel. It happens because of chainscission reactions caused by. Managing america s solid waste chicago state university. Provide the recycling service for free, to increase consumer awareness and to ensure waste is not thrown away in the garbage. Methods of recycling, properties and applications of recycled thermoplastic polymers madalina elena grigore 1,2, id. Subsection 781 of the act sets out a nonexhaustive list of nine types of.
Indian institute of chemical engineers calcutta regional centre. More than 90% of the e waste generated in the country end up in the unorganised market for recycling and disposal the unorganised sector mainly consists of the urban slums of the metros and mini metros where recycling operations are carried out by the unskilled employees using the most rudimentary methods to reduce cost. Solid waste management types with methods and its effects. Pdf environmental sustainability and waste within the. Solid waste management and recycling technology of japan solid. The outcome oriented approach of the waste hierarchy can be difficult to relate. Collection of paper and cardboard for recycling in finland. A combination of crushers, shredders, density separators, and xray sorting technologies are used to sort e waste into its major recyclable streams including plastics, glass, printed circuit boards, ferrous and nonferrous metals. Sep 27, 2016 in many ways paper is the perfect example of the circular economy.
In the first part of this paper, the definition, composition and classifications of ewastes are described. Waste disposal and pollution management in urban areas. In order to manage waste, the environmental protection agency epa and the solid waste act favor an integrated solid waste management strategy that includes 1 reducing the amount of solid waste generated, 2 recycling as much refuse as. Recycling and disposal of electronic waste isbn 9789162064174. Recycling processes and products in nylon 6 fibre industry.
International journal of recycling of organic waste in. Solid waste operations overlap in builtup areas, and municipalities are becoming involved with neighboring communities. However, the reuse of stone as a gravel replacement on building sites is the best environmental option for stone waste. It only takes a small amount of land space to collect organic waste into a compost pile. Recovery of metals from electronic waste by physical and chemical recycling processes conference paper pdf available february 2016 with 2,309 reads how we measure reads. Sorting and separating of such wastes are one of the most important and traditional methods as essential steps in solid waste management to provide data on the. It is not within the scope of this paper to deal with the many and varied uses of agricultural residues. Method to assess legal transposition and interpretation of separate collection and main. Preparation of the report was mandated in iowas 1989 waste volume reduction and recycling act which contains the statewide waste reduction and recycling goals of. America and the carribean region 72% of landfill gas cers, dominated by brazil nine projects. Recycling of products that typically have one use is an excellent method of reducing the volume of waste generated at a worksite, sorting products so they can be managed in bulk eliminates the need for additional handling and allows for different products to be managed by efficient recycling processes. The term waste management generally relates to those materials which are produced by human activity and is usually undertaken to reduce the effect of these activities on their health and environment. E waste is comprised of the materials like lead, mercury and brominated flame retardants, to name a few which are hazardous in nature. Each material, trash, recycling, and yard waste, is collected by a separate truck.
Reuse electronics manufacturers and e waste recycling companies differ in their efforts to refurbish devices or take them apart for spare parts. New methods for achieving efficient paper recycling. Each person in pennsylvania produces an average of four pounds of hhw each year or about 25,000 tonsyr statewide. Hence, there is an urgent need to develop a suitable technology to use crop residue in organic farming. Incineration reduces waste volume by up to 90 percent of the original amount. A workable remedy for the environment in developing countries article pdf available in american journal of environmental sciences 61. Pdf recovery of metals from electronic waste by physical. Pdf e waste contains both hazardous and nonhazardous substances in their components. Ak inovex is the company behind these revolutionary recycling methods.
Methods of recycling, properties and applications of. As they do not have much advances in the recycling techniques, they use very primitive methods to extract metals like copper and gold from the e waste such as circuit boards. Electronic industry is the worlds largest and innovative industry for its kind. As shown in the diagram above, solid waste management generally includes a collection of waste, transporting waste, processing and recycling it, and finally disposal of waste. This paper addresses this problem and describes the recycling processes and the products obtained therefrom. The majority of north american cities use the sanitarylandfill method of waste disposal, which has served fairly well for quite a while. Aug 07, 2017 even though the large part of e waste constitutes of iron and steel, precious metals such as gold, copper, palladium, silver, platinum, cobalt, and more provide economic incentive for recycling. The amount and volume of the msw can be reduced significantly upto 90% by volume and 75% by weight.
Waste minimisation is a set of processes and practices intended to reduce the amount of waste produced. Pdf the publication summarises the results and conclusions of the. But its more expensive than disposing of trash in a landfill. The next step is for wcu to join other colleges and. Every year tons of electronic items are shipped over oceans, however, after their usage time they are become a complex waste matter which consists of many hazardous. Waste concern, on one hand, is a social business enterprise, promoting waste recycling activities through the communitybased decentralized composting technology using publicprivate. Caprolactam, nylon 6, waste recycling 1 introduction the world production of polyamide filaments in. Pdf on jul 1, 2009, mathias schluep and others published recycling from ewaste to resources find, read and cite all the research you need on researchgate. New plastic recycling process uses no water and cuts costs in. Significance of ewaste for resource management and toxic control, structure and main steps in the recycling chain. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Sky news has been shown a new recycling method which could lead to thousands of tons of waste currently going to landfill being. The method for estimating emissions and potential climate impact is based on.
Climate benefits of material recycling nordic council of ministers. The municipal solid waste in nigeria contain all source of wastes, such as commercial refuse, construction and. A camera was used to collect and record data on the prevailing state of waste management. Recycling and disposal methods for polyurethane foam wastes.
Methods of waste management and recycling environmental. Olden landfills are being covered and the present day sanitary landfills are not just dumped sites. Crude recycling methods used in developing countries. Includes source reduction and environmentally sound recycling. Waste management means collecting, transporting, processing, recycling and monitoring of the waste materials. Incineration is financially better than recycling because its cheaper to burn waste for energy than the expenses involved in recycling. Select a waste recovery or disposal method for your environmental permit. Based on wcus 2012 stars report, 306 tons of materials were recycled, composted, reused, donated, resold or otherwise diverted.216 109 1110 117 968 104 249 393 1362 576 1482 240 1630 727 309 1453 686 172 1521 1005 327 210 225 1465 67 1456 76 781 1411