Revolutionizing Plastic Waste Management Through Industrial Composting
Discover the potential of industrial composting in addressing the plastic waste crisis. Learn about the challenges in plastics end-of-life management, biodegradable plastics, and steps forward to promote a sustainable future. Explore how composting complements recycling efforts to reduce landfill waste effectively.
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Presentation Transcript
Industrial Composting and Plastics Scott Shilling
Plastics Life Cycle Most of the 1900s the only goal when designing plastics was its use and nothing of its end of life. Recycling has been the big push recently yet a large majority of plastics still end up land filled.
Plastics End of Life Land Filled Pyrolysis Compost - Limited to some plastics Biodegradation - Limited to even fewer plastics
Industrial Composting Industrial Composting Requires High Temperature 130 to 160 High Pressure Nutrients Specific Ratios
Biodegradation Resistance Least to most resistance - alkanes, branched alkanes, low molecular weight aromatics, cyclic alkanes, high molecular weight aromatics, polar polymers Hydrolysis is the main reaction breaking down molecules.
Biodegradable Plastics Fossil Based and Biodegradable PCL, PVA, PBS, PBAT Bio-based and Biodegradable PHB, PGA, bioPBS Under a certain thickness Depends on type of plastic. Europe has some standards and they range from 40 microns to 120 microns.
Steps Forward Invest in more compostable plastics Look into making layered packages out all compostable plastics to replace current layered packaging. Make industrial composting more widely available. Industrial composting can apply to much more than just plastics and can help reduce the amount of waste land filled. Improve composters to also extract the bio-gas that comes along with composting. Composting may be able to become economically viable from selling high quality dirt and the bio-gas as well as the disposal fee.
Composting Complements Recycling Any Questions?
