Method of purifying a natural gas by mercaptan adsorption

Details Method of purifying a natural gas by mercaptan adsorption Method of purifying a natural gas by mercaptan adsorption

2006-03-03

2008-11-11

Lawrence, Frank M (Department: 1797)

Gas separation: processes

Solid sorption

Inorganic gas or liquid particle sorbed

C095S135000, C095S236000, C423S244010, C585S822000, C585S826000

Reexamination Certificate

active

07449049

ABSTRACT:
The raw natural gas is deacidized and dehydrated in units DA and DH. The treated gas is then purified by adsorption of the mercaptans in first enclosure A1. Part of the purified gas is heated in E1, then fed into second enclosure A2so as to discharge the water adsorbed by the adsorbent material contained in this second enclosure. A steam-rich stream is fed into third enclosure A3containing a mercaptan-laden adsorbent material. In A3, the mercaptans are desorbed and replaced by the steam.

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