ClassID:

29765

B01D53/90 - 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; Catalytic processes Injecting reactants

Recent Application in this class:
#301
20090211237
2009-08-27

Injection device

#302
20090205324
2009-08-20

Emission control system having a coated mixer for an internal combustion engine and method of use

#303
20090199550
2009-08-13

Catalytic converter assembly in an exhaust gas posttreatment system

#304
20090199542
2009-08-13

Method for operating an internal combustion engine and device for implementing the method

#305
20090196810
2009-08-06

Systems and methods for on-site selective catalytic reduction

#306
20090194741
2009-08-06

Exhaust system having a carbon oxide catalyst

#307
20090165444
2009-07-02

Method of controlling exhaust gas purification system and exhaust gas purification system

#308
20090155151
2009-06-18

Methods and systems including CO oxidation catalyst with low NO to NOconversion

#309
20090151340
2009-06-18

EXHAUST GAS PURIFICATION DEVICE

#310
20090142243
2009-06-04

Methods and systems for reducing the emissions from combustion gases

#311
20090139318
2009-06-04

SYSTEMS AND METHODS FOR MONITORING THE QUALITY OF A REDUCING AGENT

#312
20090130011
2009-05-21

Systems and methods for removing materials from flue gas via regenerative selective catalytic reduction

#313
20090127511
2009-05-21

Method and device for providing a gaseous substance mixture

#314
20090123361
2009-05-14

High Density Storage of Ammonia

#315
20090120079
2009-05-14

EXHAUST GAS TREATMENT

#316
20090107125
2009-04-30

Method and device for providing a gaseous substance mixture

#317
20090107120
2009-04-30

METHOD AND DEVICE FOR TREATING THE EXHAUST GAS OF AN INTERNAL COMBUSTION ENGINE

#318
20090107116
2009-04-30

EXHAUST GAS TREATMENT

#319
20090104101
2009-04-23

Purification of noble gases using online regeneration of getter beds

#320
20090092525
2009-04-09

EXHAUST GAS CLEANING APPARATUS WITH IMPROVED CONFIGURATION ENSURING PROPER INJECTION OF REDUCING AGENT

#321
20090064667
2009-03-12

Device for delivering a reducing agent to an exhaust system of an internal combustion engine

#322
20090056319
2009-03-05

Exhaust Aftertreatment System with Pre-Catalysis

#323
20090044524
2009-02-19

Exhaust gas purification method and exhaust gas purification system

#324
20090038298
2009-02-12

Approach for injecting a reductant

#325
20090035579
2009-02-05

Solid particles, method and device for the production thereof

#326
20090035192
2009-02-05

Catalytic EGR oxidizer for IC engines and gas turbines

#327
20090028729
2009-01-29

Metering pump assembly

#328
20090025373
2009-01-29

Method and metering system for reducing pollutants in motor vehicle exhaust gases

#329
20090025370
2009-01-29

EXHAUST GAS PURIFICATION DEVICE FOR INTERNAL COMBUSTION ENGINE

#330
20090022008
2009-01-22

Method and apparatus for mixing a gaseous fluid with a large gas stream, especially for introducing a reducing agent into a flue gas containing nitrogen oxides

#331
20090019842
2009-01-22

Exhaust purification device for engine

#332
20090003127
2009-01-01

Method and apparatus for mixing a gaseous fluid with a large gas stream, especially for introducing a reducing agent into a flue gas that contains nitrogen oxides

#333
20090000279
2009-01-01

Addition-amount controller for exhaust gas purifying agent and exhaust emission control system

#334
20090000278
2009-01-01

ADDITION-AMOUNT CONTROLLER FOR EXHAUST GAS PURIFYING AGENT AND EXHAUST EMISSION CONTROL SYSTEM

#335
20080317652
2008-12-25

Emission control system internal to a boiler

#336
20080314027
2008-12-25

Exhaust Gas Treatment

#337
20080314026
2008-12-25

Exhaust gas purifying system for internal combustion engine and exhaust gas purifying method

#338
20080308955
2008-12-18

Apparatus for mixing a fluid with a large gas stream, especially for introducing a reducing agent into a flue gas containing nitrogen oxides

#339
20080307967
2008-12-18

Exhaust Gas Treatment

#340
20080299016
2008-12-04

System and method for selective catalytic reduction of nitrogen oxides in combustion exhaust gases

#341
20080295497
2008-12-04

Device for the distribution of flowable additives in exhaust gas systems

#342
20080286188
2008-11-20

Process for the Preparation of a Urea-Comprising Aqueous Stream

#343
20080279732
2008-11-13

Exhaust as Treatment

#344
20080264041
2008-10-30

Method for introducing a reagent medium into an exhaust gas conduit of an internal combustion engine, and apparatus for carrying out the method

#345
20080256932
2008-10-23

Exhaust gas purification system

#346
20080250779
2008-10-16

Method and Device for the Dosed Provision of a Reducing Agent, Especially a Solid Reducing Agent, for Exhaust Gas Systems

#347
20080233026
2008-09-25

Method and system for NOx removal

#348
20080196588
2008-08-21

Separation of aqueous ammonia components for NOreduction

#349
20080175774
2008-07-24

Methods and systems for reducing NOemissions in industrial combustion systems

#350
20080134671
2008-06-12

Device for admixing a reducing agent into an exhaust gas flow of an internal combustion engine

#351
20080112872
2008-05-15

Method for the selective catalytic reduction of nitrogen oxides in exhaust gas from an internal combustion engine, and exhaust system

#352
20080102010
2008-05-01

Method and Device for Treating Exhaust Gases of Internal Combustion Engines

#353
20080098729
2008-05-01

Device for purifying exhaust gas of an internal combustion engine

#354
20080092527
2008-04-24

Metering system for reducing pollutants in motor vehicle exhaust gases

#355
20080089820
2008-04-17

Method and Device for Providing Ammonia in an Exhaust Gas Flow of an Internal Combustion Engine

#356
20080087009
2008-04-17

Exhaust gas purifying apparatus for engine

#357
20080072576
2008-03-27

Exhaust emission purification apparatus for engine

#358
20080063581
2008-03-13

Systems and methods for removing materials from flue gas via regenerative selective catalytic reduction

#359
20080050297
2008-02-28

Thermal decomposition of urea in a side stream of combustion flue gas using a regenerative heat exchanger

#360
20080022670
2008-01-31

Exhaust gas purification apparatus

#361
20080022664
2008-01-31

Optimal fuel profiles

#362
20080011780
2008-01-17

Insulated reagent dosing device

#363
20080011777
2008-01-17

Fluid dosing device

#364
20070283685
2007-12-13

Metering system and method for operating a metering system

#365
20070283681
2007-12-13

Diesel particulate control

#366
20070277505
2007-12-06

VENTING OF ON-BOARD VEHICLE EMISSIONS TREATMENT SYSTEM

#367
20070274892
2007-11-29

Exhaust gas purification unit with reducing agent supply

#368
20070266699
2007-11-22

Supply system for a medium for treating exhaust gases of an internal combustion engine; exhaust gas cleaning device; and a method for operating a supply system

#369
20070266697
2007-11-22

Exhaust emission purifying apparatus for engine

#370
20070261397
2007-11-15

Plasma injector, exhaust gas purifying system and method for injecting reducing agent

#371
20070240405
2007-10-18

Exhaust gas purification apparatus

#372
20070231232
2007-10-04

Selective catalytic reduction of NOenabled by urea decomposition in heat-exchanger bypass

#373
20070221582
2007-09-27

Nebulizing treatment method

#374
20070214777
2007-09-20

Methods of controlling reductant addition

#375
20070193255
2007-08-23

Liquid reducing agent injection nozzle having novel structure

#376
20070186542
2007-08-16

Exhaust gas purification apparatus of engine

#377
20070175207
2007-08-02

Procedure and device to control a reducing agent generation system

#378
20070163238
2007-07-19

Method for metering a reagent into the exhaust gas flow of an internal combustion engine

#379
20070122317
2007-05-31

Multi-stage system for selective catalytic reduction

#380
20070119154
2007-05-31

Procedure and device to heat a reducing agent generation system

#381
20070119153
2007-05-31

Superheated urea injection for aftertreatment applications

#382
20070095210
2007-05-03

Direct injection and vaporization of ammonia

#383
20070092426
2007-04-26

On-board ammonia generation and exhaust after treatment system using same

#384
20070065354
2007-03-22

Device and methods of ammonia generation for NOx abatement

#385
20070051097
2007-03-08

Method and apparatus for adding a reactant to an exhaust gas from an internal combustion engine

#386
20070048204
2007-03-01

Flash injector for NH3-SCR NOx aftertreatment

#387
20070036694
2007-02-15

Exhaust aftertreatment system using urea water

#388
20070022743
2007-02-01

Method and apparatus for bubble injection of agent into exhaust gas for use with emission abatement device

#389
20070003458
2007-01-04

Heating device and thermal reactor for the heating and gasification of urea

#390
20070000243
2007-01-04

Conversion system for reducing NOemissions

#391
20060249022
2006-11-09

Gas supply and recovery for metal atomizer

#392
20060234173
2006-10-19

Carrier air heating system for SCR

#393
20060196172
2006-09-07

Injection device for the treatment of exhaust fumes from motor vehicles

#394
20060174608
2006-08-10

Mechanism and method of combined fuel reformer and dosing system for exhaust aftertreatment and anti-idle SOFC APU

#395
20060168940
2006-08-03

Method and apparatus for an exhaust emissions control system

#396
20060147362
2006-07-06

Catalytic process for reducing nitrogen oxides in flue gases and reducing agent composition

#397
20060130461
2006-06-22

Method for controlling injection of reducing agent in exhaust gas from a combustion engine

#398
20060130458
2006-06-22

System for controlling the urea supply to SCR catalysts

#399
20060115402
2006-06-01

Selective catalytic reduction of NOenabled by sidestream urea decomposition

#400
20060107654
2006-05-25

Method and apparatus for reducing pollutants in engine exhaust

#401
20060086084
2006-04-27

Method for operating an exhaust-gas treatment device of an internal combustion engine, and device for carrying out the method

#402
20060067865
2006-03-30

Systems and methods for removing materials from flue gas via regenerative selective catalytic reduction

#403
20060062709
2006-03-23

Plasma-assisted NOreduction

#404
20060053773
2006-03-16

Apparatus and method for cleaning exhaust gas from an internal combustion engine

#405
20060051276
2006-03-09

Device for treatment of exhaust of an internal combustion engine

#406
20060045835
2006-03-02

Device and method for producing ammonia from solid urea pellets

#407
20060026949
2006-02-09

Urea concentration identifying system, method for indentifying urea concentration and automobile exhaust gas reducing system using same, and method for reducing automobile exhaust gas

#408
20050284135
2005-12-29

Feed device for supplying solid urea granules into an ammonia generator arranged within or outside of an exhaust line

#409
20050282285
2005-12-22

Strategy for controlling NOx emissions and ammonia slip in an SCR system using a nonselective NOx/NH3

#410
20050262832
2005-12-01

Exhaust gas purification device of internal combustion engine

#411
20050262829
2005-12-01

Exhaust gas purification device of internal combustion engine

#412
20050255605
2005-11-17

In-line localized monitoring of catalyst activity in selective catalytic NOreduction systems

#413
20050251318
2005-11-10

Method for metering a reagent for the emission control of internal combustion engines and device for executing the method

#414
20050247048
2005-11-10

Device and method for aftertreating exhaust gases

#415
20050232838
2005-10-20

Multi-stage heat absorbing reactor and process for SCR or NOx and for oxidation of elemental mercury

#416
20050229590
2005-10-20

Exhaust gas system

#417
20050217249
2005-10-06

Exhaust gas purification device of internal combustion engine

#418
20050217248
2005-10-06

Exhaust gas purification device of internal combustion engine

#419
20050204729
2005-09-22

Exhaust gas purification device of internal combustion engine

#420
20050180905
2005-08-18

Multi-stage heat absorbing reactor and process for SCR of NOx and for oxidation of elemental mercury

#421
20050164139
2005-07-28

Reduced-emissions combustion utilizing multiple-component metallic combustion catalyst and lightly catalyzed diesel particulate filter

#422
20050129599
2005-06-16

Ammonia storage and injection in NOx control

#423
20050118084
2005-06-02

Multi-stage process for SCR of NOx

#424
20050100488
2005-05-12

Method and apparatus for using hydroxyl to reduce pollutants in the exhaust gases from the combustion of a fuel

#425
20050034450
2005-02-17

Exhaust gas purification device of internal combustion engine

#426
20050025692
2005-02-03

Methods and apparatus for small-scale synthesis of ammonia

#427
20050011184
2005-01-20

Method and apparatus for delivery of supplemental material to an exhaust gas feedstream with supplemental air assistance

#428
20050011183
2005-01-20

Device for metering a urea soulution

#429
20050004402
2005-01-06

Partial oxidation of alcohols

#430
20050002843
2005-01-06

Catalytic process for nitrogen oxides reduction by multi-injection and use thereof

#431
18533316
2024-09-03

Flexible fuel system for combustion abatement

#432
18484497
2024-03-19

Carbon dioxide and nitrogen oxides removal system for point of use abatement

#433
18416921
2024-09-10

Device and method for capturing carbon dioxide and producing organic weak acid salt

#434
17740362
2023-08-22

System, apparatus, and method for diesel exhaust fluid (DEF) dosing