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3D [Discriminatory Destructive Distillation] A thermal deasphalting process, which uses the same short
contact time concept as the *MSCC process and a circulating solid for heat transfer between reactor and gen-
erator. 3D is claimed to be most effective on heavy, contaminated whole crude oils or residues. Developed by
Bar-Co and now offered by UOP.
Eur. Chem. News, 1995, 64(1682), 28.
Hydrocarbon Process. Int. Ed., 1996, 75(11), 96.
3-DDM A process for making cumene from propylene and benzene by alkylation followed by transalkylation
over a dealuminated mordenite catalyst. Operated since 1992 by Dow Chemicals at Terneuzen, the Netherla ...