C01B17/04 - CPC Classification Index

ClassID:

84512 ⎘

C01B17/04 - CPC Classification

Classification description:

Sulfur; Compounds thereof; Preparation of sulfur; Purification from gaseous sulfur compounds including gaseous sulfides

Sub-classes:

C01B17/0404 » {by processes comprising a dry catalytic conversion of hydrogen sulfide-containing gases, e.g. the Claus process} 87
C01B17/0473 » {by reaction of sulfur dioxide or sulfur trioxide containing gases with reducing agents other than hydrogen sulfide} 6
C01B17/0495 » {by dissociation of hydrogen sulfide into the elements} 39
C01B17/05 » by wet processes 57

Recent Application in this class:

20240271779

2024-08-15

Generate Hydrogen as Fuel at Natural Gas Processing Plant to Reduce Carbon Dioxide Emissions

20220234029

2022-07-28

ACTIVATED METAL LOW TEMPERATURE REACTION PROCESSES AND PRODUCTS

20190169039

2019-06-06

System for tail gas treatment of sulfur recovery units

20170203963

2017-07-20

Production of pure hydrogen from ammonia rich sour water stripper overhead

20170080405

2017-03-23

Activated metal low temperature reaction processes and products

20170072360

2017-03-16

Method and apparatus for sulfur recovery

20160317965

2016-11-03

Method for treating sulfur hexafluoride using radiation and apparatus for collecting and treating by-products

20160185596

2016-06-30

Syngas production by COreduction process

20160145502

2016-05-26

Integrated hydrocarbon desulfurization with oxidation of disulfides and conversion of SOto elemental sulfur

#10

20160045888

2016-02-18

Pulse jet system and method

#11

20150132213

2015-05-14

Sulfur recovery unit

#12

20140348741

2014-11-27

Process and apparatus for treating a sulphur-containing off-gas from a sulphur recovery system

#13

20140079614

2014-03-20

Process for reducing sulfur emission of sulfur plant

#14

20120321528

2012-12-20

Pulse jet water desalination and purification

#15

20120285863

2012-11-15

AUTOMATED SULFUR RECOVERY LOOP

#16

20120252999

2012-10-04

Production of chemical compounds

#17

20110300059

2011-12-08

Process for gas sweetening

#18

20110033370

2011-02-10

System and method for sulfur recovery

#19

20100111784

2010-05-06

Configurations and methods for carbon dioxide and hydrogen production from gasification streams

#20

20090317316

2009-12-24

Automated sulfur recovery loop

#21

15826143

2019-03-26

Process for sulfur recovery from acid gas stream without catalytic Claus reactors

#22

13766588

2014-05-13

Apparatus and method to produce synthetic gas