ClassID:

29729

B01D53/84 - 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,; Chemical or biological purification of waste gases; General processes for purification of waste gases; Apparatus or devices specially adapted therefor Biological processes

Recent Application in this class:
#301
20100233789
2010-09-16

METHOD AND SYSTEM FOR REMOVING CO2 FROM THE ATMOSPHERE

#302
20100233786
2010-09-16

LIQUID FUEL FROM AQUATIC BIOMASS

#303
20100190241
2010-07-29

Bioactive carbon dioxide filter apparatus and method therefor

#304
20100120095
2010-05-13

Electromagnetic bioaccelerator

#305
20100105116
2010-04-29

Bioconversion process using liquid phase having to enhance gas phase conversion

#306
20100101985
2010-04-29

Apparatus for removing dissolved hydrogen sulfide in anaerobic treatment

#307
20100093049
2010-04-15

Biological methane production from coal, manure, sludge, wastes, or other carbonaceous feedstocks with simultaneous sequestration of CO

#308
20100047866
2010-02-25

Heat-stable carbonic anhydrases and their use

#309
20100044245
2010-02-25

Immobilized redox mediators for the treatment of contaminated waters and gas emissions

#310
20100021981
2010-01-28

Process for recycling carbon dioxide emissions from power plants into carbonated species

#311
20100003741
2010-01-07

Integrated power plant, sewage treatment, and aquatic biomass fuel production system

#312
20090305391
2009-12-10

Triphasic bioreactor and process for gas effluent treatment

#313
20090293725
2009-12-03

Steady state tracking desorption system and method

#314
20090263890
2009-10-22

METHOD AND EQUIPMENT FOR REDUCING ENVIRONMENTAL POLLUTION

#315
20090263296
2009-10-22

CATALYST WITH BIOREACTOR FOR COMBUSTION ENGINES

#316
20090250396
2009-10-08

DRAINAGE WATER-TREATING METHOD AND DRAINAGE WATER-TREATING APPARATUS

#317
20090162922
2009-06-25

DIESEL EXHAUST GAS SCRUBBING METHOD FOR CARBON DIOXIDE REMOVAL

#318
20090155889
2009-06-18

SYSTEM AND METHOD FOR REGENERATION OF AN ABSORBENT SOLUTION

#319
20090148930
2009-06-11

Promoter enhanced chilled ammonia based system and method for removal of COfrom flue gas stream

#320
20090127188
2009-05-21

Waste gas/wastewater treatment equipment and method of treating waste gas/wastewater

#321
20090126747
2009-05-21

PLANT EXTRACTS AND USES THEREOF IN FILTER SYSTEMS

#322
20090098625
2009-04-16

SYSTEM AND METHOD FOR SEQUESTERING CARBON DIOXIDE AND BIOLOGICAL CONVERSION OF CARBON DIOXIDE THROUGH PHYTOGENIC PROCESSING INTO BIOGAS AND OXYGEN

#323
20090093042
2009-04-09

Biofilter media to remove odour causing compounds from waste gas streams

#324
20090090240
2009-04-09

BIOFILTRATION PROCESS AND APPARATUS FOR ODOUR OR VOC TREATMENT

#325
20090087898
2009-04-02

Methods, processes and apparatus of sequestering and environmentally coverting oxide(s) of carbon and nitrogen

#326
20090049748
2009-02-26

METHOD AND SYSTEM FOR CONVERTING WASTE INTO ENERGY

#327
20090029427
2009-01-29

Increased yield in gas-to-liquids processing via conversion of carbon dioxide to diesel via microalgae

#328
20090011492
2009-01-08

Photobioreactor cell culture systems, methods for preconditioning photosynthetic organisms, and cultures of photosynthetic organisms produced thereby

#329
20080296219
2008-12-04

Atmospheric bioremediation system and method

#330
20080245232
2008-10-09

Downflow Biofiltration of Hydrogen Sulfide-Containing Gas

#331
20080217249
2008-09-11

METHOD AND EQUIPMENT FOR MONITORING SYNTROPHIC RELATIONS IN A BIOLOGICAL PROCESS FLUID

#332
20080210628
2008-09-04

Process for the Biological Treatment of Ammonium-Rich Aqueous Media

#333
20080190844
2008-08-14

Methods, processes and apparatus for biological purification of a gas, liquid or solid; and hydrocarbon fuel from said processes

#334
20080178739
2008-07-31

Photobioreactor systems and methods for treating CO-enriched gas and producing biomass

#335
20080173177
2008-07-24

METHOD FOR REMOVING HARMFUL SUBSTANCES AND FILTER FOR REMOVING HARMFUL SUBSTANCES

#336
20080166790
2008-07-10

Method And System For The Transformation Of Molecules: A Process Used To Transform Waste Into Energy And Feedstock Without Releasing Carbon Dioxide Greenhouse Gas Emissions

#337
20080166273
2008-07-10

Method And System For The Transformation Of Molecules, This Process Being Used To Transform Harmful And Useless Waste Into Useful Substances And Energy

#338
20080070290
2008-03-20

Process for Removing Ammonia, Odours and Dust from Ventilation Air and Apparatus for Use in Such a Process

#339
20080044892
2008-02-21

Air pollutants reduction system

#340
20080044888
2008-02-21

Biofilter System and Method for Purifying Gases Escaping From a Gully Hole

#341
20080009055
2008-01-10

Integrated photobioreactor-based pollution mitigation and oil extraction processes and systems

#342
20080003662
2008-01-03

Novel enzyme compositions for removing carbon dioxide from a mixed gas

#343
20070289206
2007-12-20

Method and apparatus for COsequestration

#344
20070264708
2007-11-15

Apparatus and method for growing biological organisms for fuel and other purposes

#345
20070259416
2007-11-08

Gas treatment systems and methods

#346
20070202198
2007-08-30

Process of obtaining thylakoids from photosynthetic organisms; plant fractions obtained from the process; pure thylakoids; and methods of use of thylakoids as ROS scavengers, photo-protectors, biosensors, biofilters and bioreactors

#347
20070180802
2007-08-09

Biological scrubber odor control system and method

#348
20070138091
2007-06-21

Wastewater treatment apparatus

#349
20070128713
2007-06-07

Triphasic process for gas effluent treatment

#350
20070122900
2007-05-31

Bioscrubber

#351
20070081924
2007-04-12

Scrubbing "ionized" rainstorm tunnel (S.I.R.T)

#352
20060289349
2006-12-28

Composite materials for fluid treatment

#353
20060251571
2006-11-09

Chemical-biological process for the removal of HS from a gas

#354
20060246564
2006-11-02

Immobilized biological material with improved functionality and method for producing the same

#355
20060213224
2006-09-28

Process and installation for the fractionation of air into specific gases

#356
20060188424
2006-08-24

Process for the removal of HS and mercaptans from a gas stream

#357
20060134771
2006-06-22

Biofiltration apparatus and method for reducing methyl bromide concentration in a volume of gas

#358
20060055068
2006-03-16

Air diffusing device

#359
20060048517
2006-03-09

Process and a plant for recycling carbon dioxide emissions from power plants into useful carbonated species

#360
20050263914
2005-12-01

Diffused gas aeration apparatus

#361
20050252215
2005-11-17

Method and system for sequestering carbon emissions from a combustor/boiler

#362
20050214925
2005-09-29

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

#363
20050196338
2005-09-08

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

#364
20050100475
2005-05-12

Method and apparatus for formulating and controlling chemical concentration in a gas mixture

#365
20050061149
2005-03-24

Method for removing a nitrogen oxide from a gas

#366
20050003515
2005-01-06

Methane cleansing by microbial removal of H2S

#367
18424094
2025-04-22

System and method for cleaning of biogas

#368
18424009
2025-04-01

System and method for cleaning of biogas

#369
18235472
2024-05-14

System and method for producing renewable natural gas from biogas