Selective Dissolution And Precipitation For PVC Recovery In A Circular Vinyl Economy

This project aims to revolutionize PVC recycling in a circular vinyl economy by further developing and optimizing a novel approach called Selective Dissolution and Precipitation (SDP). PVC, a widely used plastic, poses recycling challenges due to its complex composition, especially in multilayer materials, like coated fabrics. SDP involves selectively dissolving PVC from mixed plastic waste and then precipitating it back in a purified form. This innovative method not only facilitates efficient PVC recovery but also minimizes environmental impact compared to traditional recycling methods. The project will investigate optimal solvents for selective PVC dissolution, optimize the reuse of recycled PVC from the process, and assess the economic and environmental feasibility of scaling up SDP for industrial. Successful implementation of SDP could significantly contribute to closing the PVC recycling loop, promoting sustainability, reducing landfill waste for multilayer systems, and increasing recycled content to reduce the reliance on virgin components, thus advancing the goals of a circular economy.

Faculty Supervisor:

Li Xi

Student:

Partner:

Oligomaster Inc

Discipline:

Engineering

Sector:

Manufacturing; Professional, scientific and technical services

University:

McMaster University

Program:

Accelerate

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Mitacs is funded by the Government of Canada, the Government of Alberta, the Government of British Columbia, Research Manitoba, the Government of New Brunswick, the Government of Newfoundland and Labrador, the Government of Nova Scotia, the Government of Ontario, Innovation PEI, the Government of Quebec, the Government of Saskatchewan, and the Government of Yukon.