A solvent-targeted recovery and precipitation scheme for the recycling of up to ten polymers from post-industrial mixed plastic waste

Sánchez-Rivera, Kevin L.; Zhou, Panzheng; Radkevich, Elizaveta; Sharma, Anisha; Bar-Ziv, Ezra; Van Lehn, Reid C.; Huber, George W.

doi:10.1016/j.wasman.2025.01.022

A solvent-targeted recovery and precipitation scheme for the recycling of up to ten polymers from post-industrial mixed plastic waste

Journal Article · Tue Jan 21 04:00:00 EST 2025 · Waste Management

DOI:https://doi.org/10.1016/j.wasman.2025.01.022· OSTI ID:2519646

Sánchez-Rivera, Kevin L. ^[1]; Zhou, Panzheng ^[1]; Radkevich, Elizaveta ^[1]; Sharma, Anisha ^[1]; Bar-Ziv, Ezra ^[2]; Van Lehn, Reid C. ^[1]; Huber, George W. ^[1]

University of Wisconsin, Madison, WI (United States)
Michigan Technological University, Houghton, MI (United States)

Solvent-Targeted Recovery and Precipitation (STRAP^TM) separates polymers within a plastic waste stream by selective dissolution. In this work, the STRAP framework, which combines computational modeling and experiments, was applied to develop a series of steps to separate up to 10 polymers from post-industrial mixed plastic waste (MPW) and the main components recovered were LDPE, HDPE, and PET. The STRAP steps were initially demonstrated with a physical polymer mixture containing LDPE, HDPE, PS, PVC, EVOH, PET, PP, PA6, PA66, and PA66/6, in which recoveries of 89% or higher were achieved for each polymer. Furthermore, this paper demonstrates a solvent selection approach that can be applied to separate unknown plastics materials into purer components.

View Accepted Manuscript (DOE)

Research Organization:: University of Wisconsin, Madison, WI (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO)

Grant/Contract Number:: EE0009285

OSTI ID:: 2519646

Journal Information:: Waste Management, Journal Name: Waste Management Vol. 194; ISSN 0956-053X

Publisher:: International Waste Working GroupCopyright Statement

Country of Publication:: United States

Language:: English

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A solvent-targeted recovery and precipitation scheme for the recycling of up to ten polymers from post-industrial mixed plastic waste

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