Patent · US Active

Method for selectively desulfurizing a crude synthesis gas

US9216375B2 · kind B2 · utility

1Cited by

3References

7Claims

0Family size

Assignee

Linde GmbH · DE

Inventors

Alexander Brandl · Munich, DE
Anna Fischer · Munich, DE

Key dates

Filing date	Aug 6, 2013
Grant date	Dec 22, 2015
Priority date	—
Expiry date	Aug 6, 2033

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01D2257/308
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

The invention relates to a method for operating a gas scrubber, in which a feed gas (1) containing hydrogen, carbon monoxide, carbon dioxide and carbonyl sulfide and/or hydrogen sulfide is scrubbed in a scrubbing apparatus (A1) using a scrubbing agent (3, 4) preladen with carbon dioxide in order largely selectively to separate the sulfur components from the feed gas and to produce a desulfurized gas stream (5, 9). The invention is distinguished in that a sulfur-free scrubbing agent (3, 4) is used which, on introduction thereof into the scrubbing apparatus (A1), has a carbon dioxide partial pressure which is greater than or equal to the carbon dioxide partial pressure in the feed gas (1) to be desulfurized.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.