ClassID:

86669

C02F2305/06 - page 2 - CPC Classification

Classification description:

Use of specific compounds during water treatment Nutrients for stimulating the growth of microorganisms

Recent Application in this class:
#301
20080041783
2008-02-21

Process to improve the efficiency of a membrane filter activated sludge system

#302
20080035538
2008-02-14

Apparatus for denitrifying wastewater

#303
20080023397
2008-01-31

Biomass treatment of organic waste or water waste

#304
20080017574
2008-01-24

Device for in situ bioremediation of liquid waste

#305
20080011688
2008-01-17

Directional microporous diffuser and directional sparging

#306
20070289910
2007-12-20

System for removal of contaminants from aqueous solution

#307
20070261626
2007-11-15

“In-situ” ballast water treatment method

#308
20070221573
2007-09-27

In-situ groundwater nitrification and de-nitrification remediation system

#309
20070196319
2007-08-23

Methods of producing, marketing and using odor control compositions

#310
20070193950
2007-08-23

Process for treatment of organic contaminated water

#311
20070170112
2007-07-26

Wastewater treatment system and method

#312
20070119778
2007-05-31

Passive treatment of wastewater and contaminated groundwater

#313
20070119777
2007-05-31

Process for treatment of organic contaminated water

#314
20070062868
2007-03-22

Method and system for filtration of wastewater

#315
20070051676
2007-03-08

Agent and method for decontaminating soil, groundwater or sediment contaminated with hexavalent chromium

#316
20070025820
2007-02-01

Composite material for a permeable reactive barrier

#317
20070017865
2007-01-25

Method and apparatus for utilization of recovered magnesium ammonium phosphate

#318
20060292684
2006-12-28

Method and system for treating oxidized contaminant-containing matrix

#319
20060289356
2006-12-28

Digesters

#320
20060249451
2006-11-09

Catalytic bioconversion of petroleum-contaminated wastes/wastewaters using kenaf core powder

#321
20060243669
2006-11-02

Fatty acid containing compounds and methods of using same

#322
20060243660
2006-11-02

Method and apparatus for the methane fermentation treatment of wastewater containing sulfur compound

#323
20060213830
2006-09-28

In-situ groundwater nitrification and de-nitrification remediation system

#324
20060201877
2006-09-14

Septic system cleaning

#325
20060194303
2006-08-31

Wastewater treatment compositions

#326
20060169627
2006-08-03

Mixing eductor

#327
20060144784
2006-07-06

Autotrophic denitrification chamber and calcium reactor

#328
20060124542
2006-06-15

Methods and apparatus for the removal of organic matter and related degradation products from water

#329
20060113242
2006-06-01

Wastewater treatment control system, terminal, computer program and accounting method

#330
20060108292
2006-05-25

Wastewater treatment control system, terminal, computer program and accounting method

#331
20060051856
2006-03-09

Bioreactor system for biological degradation of oily sludge

#332
20060027496
2006-02-09

Microbial manure treatment system

#333
20060006120
2006-01-12

Method of preventing hydrogen sulfide odor generation in an aqueous medium

#334
20050269259
2005-12-08

Method and system for removal of contaminants from aqueous solution

#335
20050242025
2005-11-03

Biological processing of animal waste

#336
20050211610
2005-09-29

Apparatus for in-situ microbial seeding

#337
20050189277
2005-09-01

Denitrification system for nitrified wastewater or nitrified water

#338
20050155929
2005-07-21

Method for biological treatment of water by adding macromolecular carbohydrates

#339
20050145563
2005-07-07

Process and apparatus for waste water treatment

#340
20050133423
2005-06-23

Autotrofic sulfur denitration chamber and calcium reactor

#341
20050131085
2005-06-16

Method of purifying Fischer-Tropsch derived water

#342
20050126990
2005-06-16

Bioremediation

#343
20050112740
2005-05-26

Waste metals recycling-methods, processed and systems for the recycle of metals into coagulants

#344
20050109695
2005-05-26

Autotrofic sulfur denitration chamber and calcium reactor

#345
20050087894
2005-04-28

Method and apparatus for aerating a surface layer in a stratified liquid body

#346
20050046055
2005-03-03

Environmental remediation method and apparatus

#347
20050045544
2005-03-03

Environmental remediation apparatus

#348
20050040104
2005-02-24

Method, apparatus and system for removal of contaminants from water

#349
20050006306
2005-01-13

Compositions for removing halogenated hydrocarbons from contaminated environments

#350
19211847
2025-09-23

Method for microbially enhanced oil recovery

#351
19019450
2025-07-29

Device and method for treating nitrogen and phosphorus pollutants in mariculture wastewater

#352
18499231
2024-05-28

Method for preparing carbon source for wastewater treatment by using kitchen waste

#353
14633664
2016-04-05

Method for reducing cyanuric acid in recreational water systems