Xylene production processes with integrated feedstock treatment

Details Xylene production processes with integrated feedstock treatment Xylene production processes with integrated feedstock treatment

2010-11-01

2011-10-25

Dang, Thuan Dinh (Department: 1772)

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By alkyl or aryl transfer between molecules, e.g.,...

C585S258000, C585S800000

Reexamination Certificate

active

08044253

ABSTRACT:
A process for aromatic transalkylation and olefin reduction of a feed stream is disclosed. Transalkylation conditions provide a product having increased xylene concentration and reduced olefin concentration relative to the feed. The process may be used in a xylene production facility to minimize or avoid the necessity of feedstock pretreatment such as hydrotreating, hydrogenation, or treating with clay and/or molecular sieves.

REFERENCES:
patent: 4795550 (1989-01-01), Sachtler et al.

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