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Technical Paper

Scale-Up Study on Converting and Recycling Shredder Residue into a Fuel Oil

Approximately 20 percent by weight of each end of life automobile ends up in a waste stream known as shredder residue (SR) that goes to disposal into a land fill. When an automobile reaches the end of its useful life it enters a complex infrastructure designed to recover usable parts and materials of value, primarily the ferrous and non-ferrous metals. The remaining material, a mixture of glass, rubber, plastics and foam becomes part of SR. Based on earlier research, a new recycling process has been identified that can convert the organic material in this waste stream into a fuel oil. The Thermal Conversion Process (TCP) developed by Changing World Technologies (CWT) may make it possible to convert SR into useful products. The Vehicle Recycling Partnership (VRP) and its partners are investigating the capability of the TCP to process SR.
Technical Paper

Recycling Shredder Residue Containing Plastics and Foam Using a Thermal Conversion Process

Shredder residue is a complex mix of many different materials that includes plastics, rubber, polyurethane (PU) foams, glass, metals and other materials such as rocks and dirt. The metal recyclers create this shredder residue mix as part of a recycling process to recover metals. The actual input stream for metal recycling is end-of-life automobiles, white goods and a variety of other metal-intensive parts including industrial scrap waste. This shredder residue is currently landfilled, and the European Union has implemented laws to reduce the amount of shredder residue from automobiles that can go into landfills. The Vehicle Recycling Partnership (VRP) is working with different collaborators to evaluate different technologies, including automated plastic recovery, as a means to reduce the amount of plastics that go to landfill in shredder residue.