2 edition of Waste minimization assessment for manufacturer of electrical rotating devices found in the catalog.
Waste minimization assessment for manufacturer of electrical rotating devices
Richard J. Jendrucko
1994 by U.S. Environmental Protection Agency, Research and Development, Risk Reduction Engineering Laboratory in Cincinnati, OH .
Written in English
|Other titles||Manufacturer of electrical rotating devices.|
|Statement||Richard J. Jendrucko, Thomas N. Coleman, and Gwen P. Looby.|
|Series||Environmental research brief|
|Contributions||Coleman, Thomas N., Looby, Gwen P., Risk Reduction Engineering Laboratory (U.S.)|
|The Physical Object|
|Pagination||10 p. :|
|Number of Pages||10|
Therefore, the authors estimated the generation of the WEEE by the "use and consumption" method. The Environment Protection Act, Many areas which had developed source separation programs have since switched to what is called co-mingled collection. Despite the existence of legislation in place, only 8. However, advances in sorting technology have lowered this overhead substantially.
The changes affect the method for calculating collection rates, which were previously 4 kg per inhabitant per year. ZT, the figure of merit for thermoelectric energy conversion, refers in this case to the amount of electricity generated for a given amount of thermal energy applied. Therefore, the authors estimated the generation of the WEEE by the "use and consumption" method. Given below is the list of suitable plastic raw materials for pyrolysis : Mixed waste plastic from waste paper mill Multi-layered plastic Recycling loops[ edit ] Loops for production-waste, product and material recycling The ideal recycling process can be differentiated into three loops, one for manufacture production-waste recycling and two for disposal of the product product and material recycling. Plastic Pyrolysis can convert petroleum based waste streams such as plastics into quality fuels, carbons.
Other types of leachate[ edit ] Main article: Leaching chemical science Leachate can also be produced from land that was contaminated by chemicals or toxic materials used in industrial activities such as factoriesmines or storage sites. Ideally, the materials are processed so they can flow back into the production process. The leachate may then be mixed with chemical reagents to modify the pH and to coagulate and settle solids and to reduce the concentration of hazardous matter. One advantage to using a geosynthetic clay liner GCL is the ability to order exact amounts of the liner. Finally, glass is sorted according to its color: brown, amber, green, or clear. However, despite much stricter statutory controls, leachates from modern sites are often found to contain a range of contaminants stemming from illegal activity or legally discarded household and domestic products.
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This results in a large amount of recyclable waste, paper especially, being too soiled to reprocess, but has advantages as well: the city need not pay for a separate collection of recyclates and no public education is needed. An extensive public education program is also required, which must be successful if recyclate contamination is to be avoided.
In addition, most toxic and difficult materials are now specifically excluded from landfilling. Waste minimization can be defined as "systematically reducing waste at source". These types include geomembranesgeosynthetic clay liners, geotextilesgeogridsgeonetsand geocomposites.
After applying the tests, reuse protocols have been defined in the form of easy-to-apply checklists for each of the ten types of appliance evaluated. The report warned that the recycling rates of some rare metals used in applications such as mobile phones, battery packs for hybrid cars and fuel cells, are so low that unless future end-of-life recycling rates are dramatically stepped up these critical metals will become unavailable for use in modern technology.
This is because leachates contain very high ammoniacal nitrogen concentrations, are usually very acidic, are often anoxic and, if received in large volumes relative to the incoming sewage flow, lack the Phosphorus needed to prevent nutrient starvation for the biological communities that perform the sewage treatment processes.
The chemical composition of leachate can weaken pipe walls, which may then fail. The generation of leachate is caused principally by precipitation percolating through waste deposited in a landfill.
Thus, what appears to be a stabilised and inactive site can become re-activated and restart significant gas production and exhibit significant changes in finished ground levels. Note: Content may be edited for style and length.
Landfill leachate[ edit ] Leachate from a landfill varies widely in composition depending on the age of the landfill and the type of waste that it contains. Waste description ………………. Lastly, the liner must withstand temperature variation and be black to resist UV lighteasily installed, and economical.
These processes in turn release by-products of decomposition and rapidly use up any available oxygen, creating an anoxic environment. This makes it lightweight, and its small size user-friendly.
Like natural petroleum, the chemicals produced can be used as fuels or as feedstock. Geotextiles also act as a cushion to protect synthetic layers against puncture from underlying and overlaying rocks.
The National Environmental Tribunal Act, Government subsidies are necessary to make buy-back centres a viable enterprise. After nine years the Directive was seen as failing to achieve some of its goals, hence the legislation had been amended again.
Plastic Pyrolysis can convert petroleum based waste streams such as plastics into quality fuels, carbons. Bioclogging can be exacerbated by the growth of micro-organisms in the conduit.
Other types of leachate[ edit ] Main article: Leaching chemical science Leachate can also be produced from land that was contaminated by chemicals or toxic materials used in industrial activities such as factoriesmines or storage sites.
As part of this technique, "batteries undergo a pre-treatment of discharging and mechanical processing. Geomembranes are used to provide a barrier between mobile polluting substances released from wastes and the groundwater. The remaining glass and plastic fractions are separated by density and sold to re-processors.
A good analogy is a chocolate chip cookie, says Kanatzidis, who is a professor of chemistry. These pipes are designed with cuts that are inclined to degrees, preventing entry of solid particles. When you reverse the polarity of the electrical current, then the metallic wire between the electrodes breaks down -- leaving a gap between them -- and the switch is turned off.
The decomposition processes themselves release more water, which adds to the volume of leachate. Treatment with reverse osmosis is also limited, resulting in low recoveries and fouling of the RO membranes.
Each style of liner has specific uses and abilities.Pollution Prevention and Waste Minimization in Laboratories [Peter A. Reinhardt, Peter C. Ashbrook, K. Leigh Leonard] on hildebrandsguld.com *FREE* shipping on qualifying offers.
This nuts and bolts book addresses specific waste minimization and pollution prevention techniques that work in specific types of laboratories for specific hildebrandsguld.com by: 8. A leachate is any liquid that, in the course of passing through matter, extracts soluble or suspended solids, or any other component of the material through which it has passed.
Leachate is a widely used term in the environmental sciences where it has the specific meaning of a liquid that has dissolved or entrained environmentally harmful substances that may then enter the environment. »EPA United Stales Environmental Protection Agency Risk Reduction Engineering Laboratory Cincinnati, OH Research and Development EPA//M/ Oct.
ENVIRONMENTAL RESEARCH BRIEF Waste Minimization Assessment for a Manufacturer of Speed Reduction Equipment F. William Kirsch and J. Clifford Maginn* Abstract The U.S. Environmental Protection Agency (EPA) has funded.
Apr 03, · Waste minimization can be defined as "systematically reducing waste at source". It means: • Prevention and/or reduction of waste generated • Efficient use of raw materials and packaging • Efficient use of fuel, electricity and water • Improving the quality of waste generated to facilitate recycling and/or reduce hazard • Encouraging.
Plastics from Residential Electronics Recycling Report A Summary ReportA Summary Report from the Electrical and Electronics Group of the American Plastics Councilfrom the Electrical and Electronics Group of the American Plastics Council APC report 8/23/00 PM Page c1.
Waste Electrical and Electronic Equipment (WEEE) Waste Electrical and Electronic Equipment is defined as Electrical and Electronic Equipment (EEE) which has reached end of life (waste); including all components, sub-assemblies and consumables which are part of the product at the time of discarding.