[12] Patent
[11] Patent No.:GC0009477  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2018                56/2018  
Number of the Decision to Grant the Patent:2018/142494
Date of the Decision to Grant the Patent:30/Dec/2018

[21] Application No.:GC 2015-28800

[22] Filing Date:20/1/2015

[30] Priority:

[33] State [32] Priority date [31] Priority No.

[72] Inventor: HOTEIT, Ali

[73] Owner: Saudi Arabian Oil Company, 1 Eastern Avenue, Dhahran 31311, Saudi Arabia

[74] Agent: Saba & Co. T.M.P




Int. Cl.: B01D 53/14; F23C 10/01, 10/10 (2006.01)

[56] Cited Documents:

-US 2013/255272 Al (AJHAR MARC [DE] ET AL) 3 October 2013
-US 3 969 089 A (MOSS GERALD ET AL) 13 July 1976
-WO 2013/098329 Al (SHELL INT RESEARCH [NL]; SHELL OIL co [US]) 4 July 2013
-EP 2 610 216 Al (SHELL INT RESEARCH [NL]) 3 July 2013
-WO 2011/066376 A2 (CHEVRON USA INC [US]; JADHAV RAJA A [US]) 3 June 2011
-GOLNAR AZIMI ET AL: 11 Chemical-looping with oxygen uncoupling using combined Mn-Fe oxides, testing in batch fluidized
bed, ENERGY PROCEDIA, vol. 4, 30 April 2011
Examiner: Eng. Sattam M.AlMutairi

[57] Abstract: A chemical looping combustion (CLC) process for sour gas combustion includes a number of reaction zones and is configured to provide in-situ oxygen production and in-situ removal of SO2 from a product gas stream by reacting the SO2 with a calcium-based sorbent at a location within one reaction zone. The CLC process is also configured such that the in-situ oxygen production results from the use of a metal oxide oxygen carrier which is purposely located such that it does not directly contact the sour gas, thereby eliminating the generation of undesirable sulfur-based metal oxides.
No. of claims: 20     No. of figures: 1


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