ClassID:

29656

B01D53/1462 - page 2 - 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, by absorption; Removing acid components Removing mixtures of hydrogen sulfide and carbon dioxide

Recent Application in this class:
#301
20130015406
2013-01-17

GAS DEACIDIZING METHOD USING AN ABSORBENT SOLUTION WITH RELEASE OF A GASEOUS EFFLUENT FROM THE ABSORBENT SOLUTION AND WASHING OF THE EFFLUENT WITH THE REGENERATED ABSORBENT SOLUTION

#302
20130011314
2013-01-10

METHOD OF REMOVING ACID COMPOUNDS FROM A GASEOUS EFFLUENT WITH AN ABSORBENT SOLUTION BASED ON I, II/III DIAMINES

#303
20130009101
2013-01-10

GAS DEACIDIZING METHOD USING AN ABSORBENT SOLUTION WITH COS REMOVAL THROUGH HYDROLYSIS

#304
20120321538
2012-12-20

Gas separation by vaporized compound

#305
20120313046
2012-12-13

METHOD OF CAPTURING ACID COMOUNDS THROUGH HYDRATE FORMATION WITH A DEMIXING STAGE

#306
20120282160
2012-11-08

CARBON DIOXIDE AND HYDROGEN SULFIDE ABSORBENTS AND PROCESS FOR THEIR USE

#307
20120282158
2012-11-08

METHOD FOR ABSORPTION OF ACID GASES USING AMINO ACIDS

#308
20120280176
2012-11-08

Method and Composition for Removal of Mercaptans from Gas Streams

#309
20120279728
2012-11-08

Removal of acid gases from a gas stream, with COcapture and sequestration

#310
20120269707
2012-10-25

Use of 2-(3-aminopropoxy)ethan-1-ol as an absorbent to remove acidic gases

#311
20120255228
2012-10-11

Modular amine plants and methods thereof

#312
20120247327
2012-10-04

HOLLOW-FIBER MEMBRANE CONTACTORS

#313
20120240650
2012-09-27

STABILIZATION AND REMOTE RECOVERY OF ACID GAS FRACTIONS FROM SOUR WELLSITE GAS

#314
20120240617
2012-09-27

Sour gas treatment process

#315
20120230895
2012-09-13

SOUR NATURAL GAS SPARGER

#316
20120214881
2012-08-23

Two-stage gas washing method

#317
20120202897
2012-08-09

METHOD OF PURIFYING A GAS

#318
20120145002
2012-06-14

Method for treating contaminated gas

#319
20120145001
2012-06-14

Process for reducing contaminants in an industrial fluid stream

#320
20120132443
2012-05-31

PROCESS FOR THE REMOVAL OF CARBON DIOXIDE AND/OR HYDROGEN SULPHIDE FROM A GAS

#321
20120124908
2012-05-24

Gaseous byproduct removal from synthesis gas

#322
20120118010
2012-05-17

Separation of carbon dioxide and hydrogen

#323
20120097027
2012-04-26

METHOD AND SYSTEM FOR PURIFYING BIOGAS FOR EXTRACTING METHANE

#324
20120096770
2012-04-26

PROCESS FOR PRODUCING A PURIFIED SYNTHESIS GAS STREAM

#325
20120095119
2012-04-19

PROCESS FOR PRODUCING PURIFIED SYNTHESIS GAS

#326
20120094337
2012-04-19

PROCESS FOR PRODUCING A PURIFIED SYNTHESIS GAS STREAM

#327
20120073441
2012-03-29

Configurations and methods for high pressure acid gas removal

#328
20120073435
2012-03-29

GAS SCRUBBING AND METHOD FOR OPERATION THEREOF

#329
20120058921
2012-03-08

Process for producing a purified synthesis gas stream

#330
20120053385
2012-03-01

METHOD AND DEVICE FOR REDUCING OLEFIN LOSSES DURING THE REMOVAL OF CARBON DIOXIDE FROM AN OLEFIN FLOW FROM DEHYDROGENATION REACTIONS

#331
20120031143
2012-02-09

PROCESS AND APPARTUS FOR REMOVING GASEOUS CONTAMINANTS FROM GAS STREAM COMPRISING GASEOUS CONTAMINANTS

#332
20120012310
2012-01-19

Apparatus and methods for deploying equipment at a wellsite

#333
20120006200
2012-01-12

System for acid gas removal

#334
20110286894
2011-11-24

System for integrating acid gas removal and carbon capture

#335
20110278152
2011-11-17

Process and plant for recovering NHfrom a mixture comprising NHand acid gases

#336
20110259197
2011-10-27

System for gas purification and recovery with multiple solvents

#337
20110250113
2011-10-13

Method of treating a syngas stream and an apparatus therefor

#338
20110244555
2011-10-06

METHOD AND SYSTEM FOR PURIFYING RAW GASES, PARTICULARLY BIOGAS, FOR OBTAINING METHANE

#339
20110239862
2011-10-06

Vapor-liquid contacting apparatuses having a secondary absorption zone with vortex contacting stages

#340
20110217218
2011-09-08

Systems and Methods for Acid Gas Removal

#341
20110195004
2011-08-11

Method for the separation of sour gas

#342
20110179714
2011-07-28

PROCESS FOR THE PURIFICATION-SWEETENING OF NATURAL GAS BY MEANS OF CONTROLLED DISSOCIATION OF HYDRATES AND USE THEREOF AS SEPARATORS

#343
20110175032
2011-07-21

Method and plant for the production of synthesis gas from biogas

#344
20110138854
2011-06-16

Fractionation of hydrogen sulfide rich sour gas and methods of use

#345
20110127218
2011-06-02

Regenerator Configurations and Methods with Reduced Steam Demand

#346
20110092355
2011-04-21

Reclaiming apparatus

#347
20110081287
2011-04-07

Gas deacidizing method using an absorbent solution with vaporization and/or purification of a fraction of the regenerated absorbent solution

#348
20110072969
2011-03-31

MAINTAINING LOW CARBON MONOXIDE LEVELS IN PRODUCT CARBON DIOXIDE

#349
20110067302
2011-03-24

Carbon capture cooling system and method

#350
20110061532
2011-03-17

Method and system for transporting and processing sour fluids

#351
20100326276
2010-12-30

Acid gas scrubbing composition

#352
20100319254
2010-12-23

METHODS AND SYSTEM FOR SEPARATING CARBON DIOXIDE FROM SYNGAS

#353
20100310439
2010-12-09

Process for removal of hydrogen sulphide and carbon dioxide from an acid gas stream

#354
20100303693
2010-12-02

HYBRID SOLVENT USING PHYSICAL SOLVENTS AND NANOPARTICLE ADSORBENTS

#355
20100288125
2010-11-18

Absorption medium for the selective removal of hydrogen sulfide from fluid streams

#356
20100282081
2010-11-11

Absorbent liquid, and apparatus and method for removing COor HS from gas with use of absorbent liquid

#357
20100269693
2010-10-28

Method of removing acidic gas components from a gas mixture

#358
20100251897
2010-10-07

Modular amine plant

#359
20100251613
2010-10-07

Method and apparatus to recycle tail gas

#360
20100236407
2010-09-23

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

#361
20100229723
2010-09-16

Method and absorbent composition for recovering a gaseous component from a gas stream

#362
20100219061
2010-09-02

ENHANCEMENT OF ACID GAS ENRICHMENT PROCESS

#363
20100218678
2010-09-02

Gas treating method and apparatus

#364
20100204042
2010-08-12

Premixture for preparing an absorbent for removing acidic gases from fluid streams

#365
20100180764
2010-07-22

Absorbent, COor HS reducing apparatus, and COor HS reducing method using absorbent

#366
20100170396
2010-07-08

COor HS reducing system and method of reducing COor HS

#367
20100154637
2010-06-24

Process for the purification of gaseous mixtures containing mercaptans and other acid gases

#368
20100147022
2010-06-17

PROCESS AND APPARATUS FOR REMOVAL OF SOUR SPECIES FROM A NATURAL GAS STREAM

#369
20100132563
2010-06-03

Direct contact cooling in an acid gas removal process

#370
20100132555
2010-06-03

Process for a gas removal zone

#371
20100132553
2010-06-03

Maintaining low carbon monoxide levels in product carbon dioxide

#372
20100132552
2010-06-03

ZONE OR PROCESS FOR IMPROVING AN EFFICIENCY THEREOF

#373
20100132551
2010-06-03

Gas deacidizing method using an absorbent solution with demixing during regeneration

#374
20100116129
2010-05-13

Method, apparatus, and system for acid gas removal

#375
20100111784
2010-05-06

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

#376
20100107872
2010-05-06

BIOGAS UPGRADING

#377
20100104490
2010-04-29

Gas deacidizing method using an absorbent solution with demixing control

#378
20100101416
2010-04-29

Method and device for removing COand HS

#379
20100101249
2010-04-29

Washing column with reduced structural height

#380
20100083696
2010-04-08

Method for purifying a gas mixture containing acid gases

#381
20100024647
2010-02-04

Method and device for separating methane and carbon dioxide from biogas

#382
20100000407
2010-01-07

Process for removal of hydrogen sulphide, iron pentacarbonyl and nickel tetracarbonyl from a synthesis gas stream

#383
20090299122
2009-12-03

PROCESS FOR PRODUCING A PURIFIED HYDROCARBON GAS

#384
20090293723
2009-12-03

Carbon dioxide removal from synthesis gas at elevated pressure

#385
20090277330
2009-11-12

Absorbent liquid, and apparatus and method for removing COor HS from gas with use of absorbent liquid

#386
20090226353
2009-09-10

Process for treating acid gas in staged furnaces with inter-stage heat recovery

#387
20090205946
2009-08-20

Integrated Compressor/Stripper Configurations And Methods

#388
20090199712
2009-08-13

Method and Device for the Absorption of Acid Gas From Natural Gas

#389
20090199709
2009-08-13

Method of deacidizing a gas by means of an absorbent solution with fractionated regeneration through heating

#390
20090191113
2009-07-30

METHOD FOR REMOVING AMMONIA FROM A METHANOL CONTAINING STREAM

#391
20090130009
2009-05-21

Method of removing sulfur compounds from natural gas

#392
20090120285
2009-05-14

System and methods for treating transient process gas

#393
20090099269
2009-04-16

Removal of carbon dioxide from a gas stream

#394
20090095155
2009-04-16

Systems and methods for carbon dioxide capture

#395
20090092524
2009-04-09

Configurations and methods for claus plant operation with variable sulfur content

#396
20090071073
2009-03-19

Method for removing mercury from natural gas

#397
20090068078
2009-03-12

Process for contacting two phases whose contact is accompanied by heat evolution

#398
20090038992
2009-02-12

PROCESS FOR THE REMOVAL OF SULPHUR COMPOUNDS AND CARBON DIOXIDE FROM A GAS STREAM

#399
20090036727
2009-02-05

Removal of acid gases and sulfur compounds from hydrocarbon gas streams in a caustic tower

#400
20090031630
2009-02-05

Method and apparatus to produce synthetic gas

#401
20080210092
2008-09-04

METHODS AND APPARATUS FOR REMOVING ACID GASES FROM A NATURAL GAS STREAM

#402
20080107581
2008-05-08

Methods for removing sulfur-containing compounds

#403
20080078294
2008-04-03

Integrated separation and purification process

#404
20080078292
2008-04-03

Absorbing solution, method and device for absorbing COor HS or both

#405
20070246401
2007-10-25

Apparatus for removing mercury from natural gas

#406
20070193303
2007-08-23

Scalable capacity liquefied natural gas plant

#407
20070157806
2007-07-12

Gas treating method and apparatus

#408
20070144943
2007-06-28

Sour Natural Gas Pretreating Method

#409
20070131112
2007-06-14

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

#410
20070006732
2007-01-11

Integrated heavy hydrocarbon removal, amine treating and dehydration

#411
20070006731
2007-01-11

Method for removing acid gases from pressurized natural gas that is contaminated with acid gas compounds and recovering the removed acid gases at an increased pressure level

#412
20070006729
2007-01-11

Integrated heavy hydrocarbon removal, amine treating and dehydration

#413
20060266214
2006-11-30

Solvent use and regeneration

#414
20060239879
2006-10-26

Acid gas pretreating method

#415
20060196357
2006-09-07

Method for selective removal of hydrogen sulphide and COfrom crude gas

#416
20060177364
2006-08-10

Impurity disposal system and method

#417
20060150812
2006-07-13

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

#418
20060067875
2006-03-30

Method for purifying gas containing hydrocarbons

#419
20050205468
2005-09-22

Method for processing a natural gas with extraction of the solvent contained in the purified natural gas

#420
20050172807
2005-08-11

Configurations and methods of acid gas removal

#421
20050109210
2005-05-26

Solution and method for scavenging sulphur compounds

#422
20050103194
2005-05-19

Method for eliminating mercaptan from crude gas

#423
17974259
2023-10-17

Carbon neutral conversion of residue

#424
17033044
2022-01-25

Scrubbing fluid and methods for using same

#425
16388302
2020-03-17

Method and apparatus for treating a sulfur dioxide containing stream by hydrogen sulfide in aqueous conditions

#426
15271175
2017-10-10

Solvents and methods for gas separation from gas streams

#427
14867524
2017-09-12

Polyphasic pressurized homogenizer (PPH) and methods for methane purification