Patents-Review.com
ClassID:

29704 ⎘

B01D53/523 - CPC Classification

Classification description:

Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols,; Chemical or biological purification of waste gases; Removing components of defined structure; Sulfur compounds; Hydrogen sulfide Mixtures of hydrogen sulfide and sulfur oxides

Recent Application in this class:
#1
20240124305
2024-04-18

PROCESS FOR SIMULTANEOUS REMOVAL OF HYDROGEN SULFIDE AND HEAVY METALS

 #2
20240033684
2024-02-01

TREATMENT OF ACID GASES USING MOLTEN ALKALI METAL BORATES, AND ASSOCIATED METHODS OF SEPARATION

 #3
20220258098
2022-08-18

Treatment of acid gases using molten alkali metal borates, and associated methods of separation

 #4
20210252481
2021-08-19

PELLETS OF SORBENT SUITABLE FOR CARBON DIOXIDE CAPTURE

 #5
20210138401
2021-05-13

Treatment of acid gases using molten alkali metal borates and associated methods of separation

 #6
20210113960
2021-04-22

Acid gas treatment

 #7
20200147546
2020-05-14

Acid gas treatment

 #8
20200023310
2020-01-23

ACID GAS TREATMENT

 #9
20190022571
2019-01-24

Angled adsorbent filter media design in tangential flow applications

 #10
20190016598
2019-01-17

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

 #11
20180257936
2018-09-13

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

 #12
20180237299
2018-08-23

Method and device for producing sulfuric acid

 #13
20160145502
2016-05-26

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

 #14
20130330260
2013-12-12

ALUMINA-BASED SULFUR RECOVERY CATALYST AND PREPARATION METHOD FOR THE SAME

 #15
20130186032
2013-07-25

Chinese drywall fix

 #16
20110033370
2011-02-10

System and method for sulfur recovery

 #17
20110008229
2011-01-13

Sulfur recovery plant tail gas treatment process

 #18
20100316548
2010-12-16

METHODS AND SYSTEMS FOR EFFICIENT NEUTRALIZATION OF ACID GASES

 #19
20100210890
2010-08-19

PROCESS FOR THE PRODUCTION OF STABLE AQUEOUS SUSPENSIONS OF SULPHUR STARTING FROM HYDROGEN SULPHIDE AND POSSIBLE DISPOSAL OF THE SUSPENSIONS THUS OBTAINED

 #20
20100196240
2010-08-05

Process and device for desulfurization of a gas, comprising a stage for elimination of sulfur by cooling a gas stream

 #21
20100098618
2010-04-22

SULFUR REMOVAL FROM GASES

 #22
20090292132
2009-11-26

REACTOR SYSTEM AND PROCESS FOR REACTING A FEED

 #23
20090196808
2009-08-06

Simultaneous removal of HS and SOfrom tail gases

 #24
20060110308
2006-05-25

Silicon carbides, silicon carbide based sorbents, and uses thereof

 #25
20060099119
2006-05-11

Filter system for electrochemical air separation device

 #26
20050214925
2005-09-29

Process for the high recovery efficiency of sulfur from an acid gas stream

 #27
19396933
2026-06-02

Thermo-chemical transformation of wet food waste with plastics, biodegradable packaging, and fluorinated compounds in a multi-annular concentric feed rotary kiln system

 #28
18809324
2025-01-21

Method for underground separation of components in sulfur-containing flue gas and sequestration of carbon dioxide and sulfides