ClassID:

29736

B01D53/8615 - 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; General processes for purification of waste gases; Apparatus or devices specially adapted therefor; Catalytic processes; Removing sulfur compounds; Hydrogen sulfide Mixtures of hydrogen sulfide and sulfur oxides

Recent Application in this class:
#1
20240424443
2024-12-26

SYSTEMS AND METHODS FOR EXTRACTING AND REMOVING HYDROGEN SULFIDE AND THIOLS

#2
20240109772
2024-04-04

Hydrogen Production by Sulfur Steam Reforming

#3
20240109034
2024-04-04

Plasma Treatment in Sulfur Recovery

#4
20220234891
2022-07-28

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

#5
20220227625
2022-07-21

METHOD FOR PRODUCTION OF ELEMENTAL SULFUR AND SULFURIC ACID

#6
20220203300
2022-06-30

METHOD FOR CLEANING SULFUROUS CORROSIVE PROCESS GASES

#7
20220177307
2022-06-09

Method for production of sulfur and sulfuric acid

#8
20220177306
2022-06-09

Revamping of a claus plant with a sulfuric acid plan

#9
20220088572
2022-03-24

Nano-Structured Composite Materials for Chemical Air Pollutant and Odor Removal from Air

#10
20220016305
2022-01-20

Indoor and outdoor nano air purifier and system comprising said purifier

#11
20210113960
2021-04-22

Acid gas treatment

#12
20200147546
2020-05-14

Acid gas treatment

#13
20190016598
2019-01-17

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

#14
20190010052
2019-01-10

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

#15
20180353930
2018-12-13

O2 scavenging CaCO3 treatment

#16
20180257935
2018-09-13

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

#17
20160263524
2016-09-15

Process for removing sulfur compounds from a gas with hydrogenation and direct oxidation steps

#18
20160167964
2016-06-16

Treatment of gases

#19
20160059187
2016-03-03

Method for removing sulphur dioxide from gas streams, using titanium dioxide as catalyst

#20
20130216460
2013-08-22

Process for the removal of sulfur compounds from gas streams

#21
20100024642
2010-02-04

Filter for removing a sulfur-containing-gas and method for removing a sulfur-containing-gas using the same

#22
20090269253
2009-10-29

HYDROGEN SULFIDE PRODUCTION-SUPPRESSING MEMBER AND EXHAUST GAS-PURIFYING CATALYST

#23
20090226354
2009-09-10

Process for catalytic tail gas incineration

#24
20080311030
2008-12-18

Apparatus and method for operating the apparatus for continuously recovering sulfur from gas containing HS

#25
20070248518
2007-10-25

Desulfurizartion for Simultaneous Removal of Hydrogen Sulfide and Sulfur Dioxide

#26
20070105714
2007-05-10

DESULFURIZATION AND NOVEL COMPOSITIONS FOR SAME

#27
20060204433
2006-09-14

Process for treating a gas containing hydrogen sulphide and sulphur dioxide

#28
20060131179
2006-06-22

Method for low temperature, high activity and selectivity catalytic conversion using electrochemical (NEMCA) cells

#29
20050180914
2005-08-18

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

#30
20050127325
2005-06-16

Desulfurization and novel compositions for same