ClassID:

29646

B01D53/14 - 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

Recent Application in this class:
#301
20070274864
2007-11-29

Gas absorption testing system

#302
20070246429
2007-10-25

Treatment of aqueous chemical waste

#303
20070243100
2007-10-18

Voc Removal Method From Voc Impregnated Materials

#304
20070240537
2007-10-18

Axle vent

#305
20070221065
2007-09-27

Heat recovery gas absorption process

#306
20070212288
2007-09-13

Effluent gas stream treatment system having utility for oxidation treatment of semiconductor manufacturing effluent gases

#307
20070186771
2007-08-16

Method for the selective extraction of acids, bases and polar salts

#308
20070175332
2007-08-02

Gas purifying device

#309
20070169628
2007-07-26

Gas purifier

#310
20070166205
2007-07-19

EFFLUENT GAS STREAM TREATMENT SYSTEM HAVING UTILITY FOR OXIDATION TREATMENT OF SEMICONDUCTOR MANUFACTURING EFFLUENT GASES

#311
20070158241
2007-07-12

Syngas cleanup process

#312
20070108131
2007-05-17

Method for purification of contaminated water

#313
20070028766
2007-02-08

Method for removing impurities from a gas

#314
20070000386
2007-01-04

Ozone remediation apparatus and methods

#315
20060251558
2006-11-09

COremoval from gas using ionic liquid absorbents

#316
20060249021
2006-11-09

Gasification apparatus

#317
20060213370
2006-09-28

MOBILE BIOGAS PROCESSING SYSTEM AND METHOD

#318
20060194083
2006-08-31

Non-reactive fuel dissolution apparatus and fuel cell system having the same

#319
20060189831
2006-08-24

Process for inhibiting deposition of solids from a gaseous stream

#320
20060186562
2006-08-24

Removal of carbon dioxide from air

#321
20060182671
2006-08-17

System for decomposing organic compound

#322
20060162560
2006-07-27

Vent gas absorption system and method of recovery vocs

#323
20060150813
2006-07-13

Process and plant for ultrapurifying fumes or gasses

#324
20060131161
2006-06-22

Air sanitation with hydrogen peroxide

#325
20060110304
2006-05-25

Wet gas purification method and system for practicing the same

#326
20060107838
2006-05-25

Cleaning device for cleaning process gas of a reflow soldering system

#327
20060107833
2006-05-25

Method for the selective extraction of acids

#328
20060101995
2006-05-18

Treatment of chemical waste

#329
20060088461
2006-04-27

Process for recovery and recycle of ammonia from a vapor stream

#330
20060065120
2006-03-30

Exhaust gas treatment

#331
20060065119
2006-03-30

Electricity generation system

#332
20060040388
2006-02-23

Bioprocesses enhanced by magnetic nanoparticles

#333
20060010947
2006-01-19

Fertilizing system and method by extracting nitrogen compounds from combustion exhaust gases

#334
20060005572
2006-01-12

System for use of land fills and recyclable materials

#335
20050274257
2005-12-15

Air purification

#336
20050268556
2005-12-08

Gasification apparatus and method

#337
20050188841
2005-09-01

Enhanced hydrogen recovery for hydroprocessing units

#338
20050132884
2005-06-23

Generation of elevated pressure gas mixtures by absorption and stripping

#339
20050109209
2005-05-26

Air purification system and method

#340
20050084434
2005-04-21

Scrubbing systems and methods for coal fired combustion units

#341
20050061154
2005-03-24

Method and apparatus for cleaning a gas

#342
20050061153
2005-03-24

Method and apparatus for cleaning a gas

#343
20050053536
2005-03-10

Method and apparatus for treating waste gas containing acid and/or base

#344
20050000244
2005-01-06

System for use of land fills and recyclable materials

#345
20050000243
2005-01-06

Contamination control system and air-conditioning system of a substrate processing apparatus using the same

#346
18587107
2024-12-31

Method for processing a salt solution together with carbon dioxide

#347
17982493
2023-10-24

Carbon capture adapter

#348
17359743
2022-03-08

Direct biochar cooling methods and systems

#349
17359698
2022-03-08

Direct biochar cooling methods and systems

#350
17182049
2023-04-04

Waste water treatment to reduce BOD/COD

#351
16152193
2022-01-25

Systems for the control and use of fluids and particles in fuel applications including boilers, refinery and chemical fluid heaters, rotary kilns, glass melters, solid dryers, drying ovens, organic fume incinerators, and scrubbers

#352
15732192
2018-08-28

Margin air flow doors for preventing pressure build up

#353
15330870
2018-12-18

Margin air flow door for preventing pressure build up

#354
15135903
2016-07-05

Landfill gas treatment method with offshoot

#355
14830633
2016-07-12

Method for improving solar cell manufacturing yield

#356
14590239
2018-01-30

Method for generating O-rich gas from air using water

#357
14523562
2018-04-03

Produced liquids compressor cooler

#358
14213152
2016-03-22

Compressor inter-stage temperature control