ClassID:

84515

C01B17/0413 - 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 characterised by the combustion step

Sub-classes:
Recent Application in this class:
#1
20240140796
2024-05-02

ADAPTIVE CONTROL OF BTX REMOVAL IN SULFUR RECOVERY UNITS

#2
20240109776
2024-04-04

Removal of Sulfur Compounds from Gas

#3
20190016598
2019-01-17

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

#4
20190010052
2019-01-10

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

#5
20180257936
2018-09-13

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

#6
20180257935
2018-09-13

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

#7
20180008930
2018-01-11

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

#8
20170072360
2017-03-16

Method and apparatus for sulfur recovery

#9
20160122184
2016-05-05

Zero emissions sulphur recovery process with concurrent hydrogen production

#10
20160121262
2016-05-05

Claus hydrocarbon destruction via staged solvent regeneration

#11
20140374659
2014-12-25

Zero emissions sulphur recovery process with concurrent hydrogen production

#12
20130056677
2013-03-07

Claus hydrocarbon destruction via staged solvent regeneration

#13
20120085973
2012-04-12

Method for producing process gas for the claus process

#14
20110300059
2011-12-08

Process for gas sweetening

#15
20110280795
2011-11-17

Method and system for recovering sulfur in the thermal stage of a Claus reactor

#16
20110206601
2011-08-25

System and method for sulfur recovery

#17
20110195008
2011-08-11

DESULFURIZATION PROCESS

#18
20110165026
2011-07-07

System for maintaining flame stability and temperature in a Claus thermal reactor

#19
20110044885
2011-02-24

Process for Obtaining Sulfur from Feed Gas Containing H2S

#20
20100123099
2010-05-20

Method for producing hydrogen

#21
20090220402
2009-09-03

Sulfur recovery plant

#22
20080233025
2008-09-25

METHOD AND SYSTEM FOR RECOVERING SULPHUR FROM GAS STREAMS

#23
20080187485
2008-08-07

Method of extracting the hydrogen sulfide contained in a hydrocarbon gas

#24
20070025900
2007-02-01

Method for energy recovery from hydrogen sulfide

#25
20060153767
2006-07-13

Steam modified Claus process

#26
20060014292
2006-01-19

Process and system for controlling a process gas stream

#27
20050180914
2005-08-18

Two-stage catalytic process for recovering sulfur from an HS-containing gas stream

#28
20050180913
2005-08-18

Partial oxidation of hydrogen sulphide