ClassID:

84513

C01B17/0404 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process

Sub-classes:
Recent Application in this class:
#1
20250367600
2025-12-04

Processes to Clean Tail Gas from Carbon Black Production and System and Facility for Same

#2
20250236520
2025-07-24

Coupling Claus Process with Carbon Dioxide Capture Using Gas Hydrate

#3
20250222396
2025-07-10

SIMULTANEOUS H2 PRODUCTION AND CO2 CAPTURE FROM ACID GAS STREAM

#4
20250136885
2025-05-01

PROCESS OF CONVERTING HYDROGEN SULFIDE AND CARBON DIOXIDE TO METHANE AND SOLID SULFUR ON CARBON-BASED CATALYSTS UNDER MILDER CONDITIONS WITH REDUCED CARBON FOOTPRINT

#5
20240228271
2024-07-11

PARTIAL OXIDATION SULFUR TECHNOLOGY (POST)

#6
20240132345
2024-04-25

PARTIAL OXIDATION SULFUR TECHNOLOGY (POST)

#7
20230025621
2023-01-26

Regeneration schemes for a two-stage adsorption process for Claus tail gas treatment

#8
20220234891
2022-07-28

Method for production of elemental sulfur by part or fully catalytic oxidation of Claus tail gas

#9
20220227625
2022-07-21

METHOD FOR PRODUCTION OF ELEMENTAL SULFUR AND SULFURIC ACID

#10
20220177307
2022-06-09

Method for production of sulfur and sulfuric acid

#11
20220177306
2022-06-09

Revamping of a claus plant with a sulfuric acid plan

#12
20210253966
2021-08-19

Device and method for desulfurizing natural gas

#13
20210130719
2021-05-06

SULFUR MANAGEMENT METHOD

#14
20210113960
2021-04-22

Acid gas treatment

#15
20210031139
2021-02-04

Helium recovery from gaseous streams

#16
20200277186
2020-09-03

Thermal stage and reduction absorption sulfur recovery process

#17
20200147546
2020-05-14

Acid gas treatment

#18
20200023310
2020-01-23

ACID GAS TREATMENT

#19
20190383128
2019-12-19

Processes and systems for high HS gas processing having reduced sulfur production

#20
20190352177
2019-11-21

INTEGRATED SYSTEM AND METHOD FOR REMOVING ACID GAS FROM A GAS STREAM

#21
20190336912
2019-11-07

PHOSPHATE ROCK SCRUBBING OF A SULFUR DIXOIDE GAS STREAM

#22
20190105603
2019-04-11

Systems and methods to remove mercaptans from sour gas using membranes

#23
20190016598
2019-01-17

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology and sulfur dioxide-selective absorption technology

#24
20190010052
2019-01-10

Enhancement of claus tail gas treatment by sulfur dioxide-selective membrane technology

#25
20180353898
2018-12-13

Helium recovery from gaseous streams

#26
20180339902
2018-11-29

SYSTEMS AND METHODS FOR WATER GAS SHIFT WITH REDUCED STEAM CONSUMPTION

#27
20180319662
2018-11-08

Systems and methods for degassing of sulfur

#28
20180008930
2018-01-11

Removal of hydrogen sulfide and sulfur recovery from a gas stream by catalytic direct oxidation and claus reaction

#29
20170334718
2017-11-23

Integrated system and method for removing acid gas from a gas stream

#30
20170333826
2017-11-23

Process for removing and recovering HS from a gas stream by cyclic adsorption

#31
20170130141
2017-05-11

Process for oxidative desulfurization and sulfone management by gasification

#32
20170096337
2017-04-06

Systems and methods for degassing of sulfur

#33
20170080385
2017-03-23

Systems and methods for separating hydrogen sulfide from carbon dioxide in a high-pressure mixed stream

#34
20170021301
2017-01-26

Sour pressure swing adsorption process

#35
20160115026
2016-04-28

Zero emissions sulphur recovery process with concurrent hydrogen production

#36
20150307359
2015-10-29

Integrated process to recover high quality native COfrom a sour gas comprising HS and CO

#37
20150191360
2015-07-09

Integrated process for native COrecovery from a sour gas comprising HS and CO

#38
20150151245
2015-06-04

Sulphur dioxide treatment

#39
20150144840
2015-05-28

PROCESS FOR DEEP CONTAMINENT REMOVAL OF GAS STREAMS

#40
20140335005
2014-11-13

Method of removing sulfur oxides and nitrogen oxides in the flue gas

#41
20140134096
2014-05-15

Zero emissions sulphur recovery process with concurrent hydrogen production

#42
20140017162
2014-01-16

Sulfur recovery unit and sulfur recovery method

#43
20130216462
2013-08-22

Method for processing a sulfur-containing gas and a hydrogenation catalyst used therefor

#44
20130216460
2013-08-22

Process for the removal of sulfur compounds from gas streams

#45
20130129589
2013-05-23

Process for the removal of hydrogen sulfide from a gas stream

#46
20130071315
2013-03-21

Configurations and methods of treatment of sulfur-containing vent gases

#47
20130071308
2013-03-21

COrecovery using the sure process

#48
20130047574
2013-02-28

Heat recovery from a gasification system

#49
20130022534
2013-01-24

Process for workup of a carbon dioxide-rich gas to be freed of sulfur components

#50
20130017144
2013-01-17

Method and device for processing sour gas rich in carbon dioxide in a Claus process

#51
20120321548
2012-12-20

Thermal reduction of sulfur dioxide to sulfur with temperature controlled furnace

#52
20120308474
2012-12-06

Process for the production of sulfur from sulfur dioxide with tail gas recycle

#53
20120285863
2012-11-15

AUTOMATED SULFUR RECOVERY LOOP

#54
20120279728
2012-11-08

Removal of acid gases from a gas stream, with COcapture and sequestration

#55
20120251436
2012-10-04

Process of conversion of hydrogen sulfide into elemental sulfur on solid oxide catalysts

#56
20120027656
2012-02-02

Method and apparatus for treating a sour gas

#57
20110300059
2011-12-08

Process for gas sweetening

#58
20110250113
2011-10-13

Method of treating a syngas stream and an apparatus therefor

#59
20110206601
2011-08-25

System and method for sulfur recovery

#60
20110195008
2011-08-11

DESULFURIZATION PROCESS

#61
20110171115
2011-07-14

Method and Consolidated Apparatus for Recovery of Sulfur from Acid Gases

#62
20100266483
2010-10-21

Process for desulphurization of a gaseous effluent comprising a device for on-line analysis and control

#63
20100135880
2010-06-03

Hydrocarbon based sulfur solvent systems and methods

#64
20100123099
2010-05-20

Method for producing hydrogen

#65
20100111824
2010-05-06

Hydrogen production method

#66
20100098618
2010-04-22

SULFUR REMOVAL FROM GASES

#67
20100012051
2010-01-21

Compact, tiered sulfur recovery unit

#68
20090317316
2009-12-24

Automated sulfur recovery loop

#69
20090311156
2009-12-17

Removal of contaminants from gas streams

#70
20090220402
2009-09-03

Sulfur recovery plant

#71
20090196808
2009-08-06

Simultaneous removal of HS and SOfrom tail gases

#72
20090031630
2009-02-05

Method and apparatus to produce synthetic gas

#73
20090010834
2009-01-08

Process for the thermal reduction of sulfur dioxide to sulfur

#74
20090004096
2009-01-01

COS-Claus configurations and methods

#75
20090004070
2009-01-01

Configurations and methods for effluent gas treatment

#76
20080279759
2008-11-13

Process for producing a purified gas stream

#77
20080279758
2008-11-13

Configurations and methods for effluent gas treatment

#78
20080172942
2008-07-24

INTEGRATION OF SULFUR RECOVERY PROCESS WITH LNG AND/OR GTL PROCESSES

#79
20080107581
2008-05-08

Methods for removing sulfur-containing compounds

#80
20070297970
2007-12-27

Compact sulfur recovery plant and process

#81
20070207077
2007-09-06

Novel catalyst useful for removal of hydrogen sulphide from gas and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst

#82
20070134147
2007-06-14

Process for recovering sulphur from a gas stream containing hydrogen sulphide

#83
20070129240
2007-06-07

Novel catalyst useful for removal of hydrogen suiplhide from gas and its conversion to sulphur. A process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst

#84
20070025900
2007-02-01

Method for energy recovery from hydrogen sulfide

#85
20060288919
2006-12-28

Process for the production of sulfur from sulfur dioxide

#86
20060204432
2006-09-14

Process for the recovery of sulfur from Claus tail gas streams

#87
20060150812
2006-07-13

Configurations and methods for acid gas and contaminant removal with near zero emission

#88
20060110308
2006-05-25

Silicon carbides, silicon carbide based sorbents, and uses thereof

#89
20060099124
2006-05-11

Method for isolating hydrogen sulphide from coke oven gas with the subsequent recovery of elemental sulphur in a Claus plant

#90
20050201924
2005-09-15

Apparatus and catalytic partial oxidation process for recovering sulfur from an HS-containing gas stream

#91
20050135983
2005-06-23

Direct sulfur recovery system

#92
20050123470
2005-06-09

Catalyst useful for removal of hydrogen sulphide from gas stream and its conversion to sulphur, a process for preparing such catalyst and a method for removing of hydrogen sulphide using said catalyst

#93
13766588
2014-05-13

Apparatus and method to produce synthetic gas