Abstract
Decarbonizing chemical processes requires major technological changes in how chemicals are made. When pursuing such alternative greener technologies, sustainability assessment that compares technoeconomic analysis (TEA) and life cycle assessment (LCA) of the incumbent and proposed technologies is a useful tool to identify economic and environmental hotspots during early stages of process development. This chapter describes such an approach for developing a greener process for making terephthalic acid (TPA), a commodity chemical used for making plastics, that is also economically viable. The quantitative analyses show the potential for substantial carbon footprint reduction by deploying renewable feedstocks and renewable energy.
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