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Although plastics wastes form only a very small portion of the total wastes generated in the United States, considerable concern has been expressed over the environmental damage and nonrecyclability attributed to plastics. The plastics industry has made a careful study of the existing and potential recycle opportunities for plastics, both within the industry and from solid waste material.
The conclusion that is rapidly taking shape as a result of these studies is that the use of waste plastics in an unsorted form for the recovery of energy by either pyrolysis or incineration will probably be the most successful plastics recycling program in the context of present day technology and economics. However, the technology and economic evaluation of these opportunities is still in a development phase. Therefore, until energy recovery is clearly shown to be the optimum reuse of plastics, the plastics industry will continue to support other short-term activities. These activities include programs for sorting plastics from mixed solid waste and economic research for markets for products from such materials. The plastics industry continues to encourage programs that demonstrate that plastics can be recycled if the circumstances are such that clean material of one kind can be obtained in volume quantities.
Since the majority of our collected municipal waste is now going to landfills, it is important to recognize that plastics contribute no particular problems to landfill in that they are nonbiodegradable and compact readily to provide good solid fill in this kind of disposal system.
environments, plastics, recycling, incineration, solid waste disposal pyrolysis, landfills
Director, The Society of the Plastics Industry, Inc., New York, N. Y.