ClassID:

84514

C01B17/0408 - 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 Pretreatment of the hydrogen sulfide containing gases

Recent Application in this class:
#1
20250091864
2025-03-20

PRODUCING HYDROGEN FROM HYDROGEN SULFIDE

#2
20230081569
2023-03-16

Systems, methods and materials for hydrogen sulfide conversion

#3
20220194794
2022-06-23

Process for managing hydrogen sulfide in a refinery

#4
20210323819
2021-10-21

PROCESS AND APPARATUS FOR REMOVAL OF METAL CARBONYLS FROM A GAS MIXTURE

#5
20210269231
2021-09-02

Method for producing package including hydrogen sulfide sustained release agent, hydrogen sulfide sustained release agent, hydrogen sulfide sustained release composite, and method for generating hydrogen sulfide using same

#6
20210245095
2021-08-12

Systems, methods and materials for hydrogen sulfide conversion

#7
20210053827
2021-02-25

Sulfur recovery within a gas processing system

#8
20200255291
2020-08-13

Acid gas enrichment method and system

#9
20200101415
2020-04-02

Process for purifying crude synthesis gas to produce an acid gas and acid gas separator

#10
20190201837
2019-07-04

Regenerative recovery of sulfur dioxide from effluent gases

#11
20190105602
2019-04-11

Systems and methods to manage heat in an integrated oil and gas processing plant with sour gas injection

#12
20190016598
2019-01-17

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

#13
20180290100
2018-10-11

Removal of aromatic hydrocarbons from lean acid gas feed for sulfur recovery

#14
20180257936
2018-09-13

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

#15
20170216812
2017-08-03

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

#16
20170157553
2017-06-08

Separating carbon dioxide and hydrogen sulfide from a natural gas stream using co-current contacting systems

#17
20170137288
2017-05-18

Sulfur recovery process for treating low to medium mole percent hydrogen sulfide gas feeds with BTEX in a claus unit

#18
20170114295
2017-04-27

Configurations and methods for processing high pressure acid gases with zero emissions

#19
20160185596
2016-06-30

Syngas production by COreduction process

#20
20160115026
2016-04-28

Zero emissions sulphur recovery process with concurrent hydrogen production

#21
20150298972
2015-10-22

Sulfur recovery process for treating low to medium mole percent hydrogen sulfide gas feeds with BTEX in a Claus unit

#22
20150291421
2015-10-15

Generating elemental sulfur

#23
20150157975
2015-06-11

Absorbent composition for the selective absorption of hydrogen sulfide

#24
20150151245
2015-06-04

Sulphur dioxide treatment

#25
20150014590
2015-01-15

Claus plant preprocessing systems and methods for removal of ammonia from claus plant feed gases

#26
20140134096
2014-05-15

Zero emissions sulphur recovery process with concurrent hydrogen production

#27
20130217944
2013-08-22

Removal of sulfur compounds from a gas stream

#28
20130216462
2013-08-22

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

#29
20130071315
2013-03-21

Configurations and methods of treatment of sulfur-containing vent gases

#30
20130056677
2013-03-07

Claus hydrocarbon destruction via staged solvent regeneration

#31
20130022534
2013-01-24

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

#32
20130017144
2013-01-17

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

#33
20120321548
2012-12-20

Thermal reduction of sulfur dioxide to sulfur with temperature controlled furnace

#34
20120312163
2012-12-13

Temperature swing adsorption process for the separation of target species from a gas mixture

#35
20120308456
2012-12-06

Selective sulfur removal process

#36
20120251436
2012-10-04

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

#37
20120240617
2012-09-27

Sour gas treatment process

#38
20120222555
2012-09-06

Gas purification process utilizing engineered small particle adsorbents

#39
20120222554
2012-09-06

Rapid temperature swing adsorption contactors for gas separation

#40
20120222553
2012-09-06

Pressure-temperature swing adsorption process

#41
20120222552
2012-09-06

Pressure-temperature swing adsorption process for the separation of heavy hydrocarbons from natural gas streams

#42
20120222551
2012-09-06

Swing adsorption processes utilizing controlled adsorption fronts

#43
20120118012
2012-05-17

SEPARATION OF GASES

#44
20120107209
2012-05-03

Regenerative recovery of sulfur dioxide from effluent gases

#45
20120095119
2012-04-19

PROCESS FOR PRODUCING PURIFIED SYNTHESIS GAS

#46
20120094337
2012-04-19

PROCESS FOR PRODUCING A PURIFIED SYNTHESIS GAS STREAM

#47
20120051995
2012-03-01

Methods of purifying COS

#48
20120027656
2012-02-02

Method and apparatus for treating a sour gas

#49
20110268650
2011-11-03

Methods and apparatus for sulfur recovery from acid gases

#50
20110237856
2011-09-29

Configurations and methods for removal of mercaptans from feed gases

#51
20110195008
2011-08-11

DESULFURIZATION PROCESS

#52
20110195004
2011-08-11

Method for the separation of sour gas

#53
20110070144
2011-03-24

Process for conversion of waste fluid streams from chemical processing plants to beneficiary agriculture products

#54
20110023714
2011-02-03

METHOD AND DEVICE FOR REGENERATING THE LOADED DETERGENT IN A PHYSICAL GAS SCRUBBER

#55
20100303700
2010-12-02

PROCESS FOR TREATING A GAS STREAM OR EFFLUENT

#56
20100236407
2010-09-23

Process for producing purified gas from gas comprising HS, COand HCN and/or COS

#57
20100219061
2010-09-02

ENHANCEMENT OF ACID GAS ENRICHMENT PROCESS

#58
20100123099
2010-05-20

Method for producing hydrogen

#59
20100101416
2010-04-29

Method and device for removing COand HS

#60
20090324473
2009-12-31

Process for disposal of mercaptans

#61
20090308248
2009-12-17

Absorbent composition containing molecules with a hindered amine and a metal sulfonate, phosphonate or carboxylate structure for acid gas scrubbing process

#62
20090217817
2009-09-03

Polyalkyleneacrylamide salt for acid gas scrubbing process

#63
20090130009
2009-05-21

Method of removing sulfur compounds from natural gas

#64
20090092524
2009-04-09

Configurations and methods for claus plant operation with variable sulfur content

#65
20090028769
2009-01-29

Method for disposal of di-sulphide compounds

#66
20090004096
2009-01-01

COS-Claus configurations and methods

#67
20090004080
2009-01-01

Configurations and methods for SOremoval in oxygen-containing gases

#68
20090004070
2009-01-01

Configurations and methods for effluent gas treatment

#69
20080233025
2008-09-25

METHOD AND SYSTEM FOR RECOVERING SULPHUR FROM GAS STREAMS

#70
20080187485
2008-08-07

Method of extracting the hydrogen sulfide contained in a hydrocarbon gas

#71
20080107581
2008-05-08

Methods for removing sulfur-containing compounds

#72
20080019899
2008-01-24

Methods and configurations for acid gas enrichment

#73
20070131112
2007-06-14

Method for removing hydrogen sulphide and other acidic gas components from pressurized technical gases

#74
20060204432
2006-09-14

Process for the recovery of sulfur from Claus tail gas streams

#75
20060150812
2006-07-13

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

#76
20060104896
2006-05-18

Steam methane reforming method

#77
20060099124
2006-05-11

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

#78
20060067875
2006-03-30

Method for purifying gas containing hydrocarbons

#79
20050135983
2005-06-23

Direct sulfur recovery system

#80
20050103194
2005-05-19

Method for eliminating mercaptan from crude gas

#81
17527753
2022-12-20

Methods and systems of sub-dew point sulfur recovery with interstage membrane units