With a greater focus on sustainability and environmental friendliness, the asphalt industry is actively investing in the development of new methods and technologies to decarbonize the industry while maintaining and improving the performance of asphalt pavements. For the last ten years the Westen Research Institute (WRI) has been developing new technologies to reimagine wastes and non-traditional feedstocks into alternative non-petroleum binders and recycling agents (RA). The following is a list of promising feedstocks and technologies that have been demonstrated to produce alternative asphalt-like binders or additives similar or superior quality to traditional materials: (1) converting recycled asphalt shingles (RAS) into fresh roofing or paving asphalt, (2) upcycling/converting end-of-life wind turbine blades (WTB) into asphalt RA, and (3) converting coal into asphalt. Each of these technologies varies in technological maturity. These products have shown promising results compared to traditional asphalt materials. They are easy to implement and fully integrate with the design, material handling, and application procedures already practiced in the industry. Their further development and commercialization will improve circularity, reduce waste, provide reliable feedstocks and supply chains, and contribute to the responsible and sustainable decarbonization of asphalt pavements.

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Waste Upcycling Technologies Based on Biosolvents

  • Jeramie Adams,
  • Yogesh Kumbargeri,
  • Didier Lesueur

摘要

With a greater focus on sustainability and environmental friendliness, the asphalt industry is actively investing in the development of new methods and technologies to decarbonize the industry while maintaining and improving the performance of asphalt pavements. For the last ten years the Westen Research Institute (WRI) has been developing new technologies to reimagine wastes and non-traditional feedstocks into alternative non-petroleum binders and recycling agents (RA). The following is a list of promising feedstocks and technologies that have been demonstrated to produce alternative asphalt-like binders or additives similar or superior quality to traditional materials: (1) converting recycled asphalt shingles (RAS) into fresh roofing or paving asphalt, (2) upcycling/converting end-of-life wind turbine blades (WTB) into asphalt RA, and (3) converting coal into asphalt. Each of these technologies varies in technological maturity. These products have shown promising results compared to traditional asphalt materials. They are easy to implement and fully integrate with the design, material handling, and application procedures already practiced in the industry. Their further development and commercialization will improve circularity, reduce waste, provide reliable feedstocks and supply chains, and contribute to the responsible and sustainable decarbonization of asphalt pavements.