Olefinic feedstock treatment processes

Details Olefinic feedstock treatment processes Olefinic feedstock treatment processes

2008-07-08

2008-07-08

Dang, Thuan Dinh (Department: 1764)

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

C585S448000, C585S826000, C585S655000, C585S483000

Reexamination Certificate

active

07396966

ABSTRACT:
Aromatic by-products are sorbed from mono-olefin-containing feedstocks of olefins having from about 6 to 22 carbon atoms per molecule that contain aromatic by-products having from 7 to 22 carbon atoms per molecule. A benzene-containing regenerant displaces and desorbs the aromatic by-products from the sorbent and a regeneration effluent is provided. The regeneration effluent is treated in a regeneration effluent distillation system to provide a benzene-rich stream and an aromatic by-products-containing stream. The latter is subjected to benzene-forming conditions and recycled to the regeneration effluent distillation system where benzene is recovered.

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Liggin, W.L., UOP Thermal Hydrodealkylation (THDA) ProcessHandbook of Petroleum Refining Processes2ndEdition (1997) pp. 2.23-2.26.

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