Visbreaking is a well-established noncatalytic thermal process that converts atmospheric or vacuum residues to gas, naphtha, distillates, and tar. Visbreaking reduces the quantity of cutter stock ...
Olefin content is generally small for straight-run products, but for stocks derived from secondary/thermal processes such as coking, visbreaking, or resid hydrocracking (H-OIL [*] etc.), it can ...
PureCycle Technologies has struggled to scale its polypropylene recycling plant, failing to generate material sales despite initial promises at its SPAC. The company faces significant challenges ...