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characterised by direct conversion of nitrite to molecular nitrogen
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C02F3/307
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CHEMISTRY METALLURGY
C02
Water treatment
C02F
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F3/00
Biological treatment of water, waste water, or sewage
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C02F3/307
characterised by direct conversion of nitrite to molecular nitrogen
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Patents Grants
last 30 patents
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Patent Grant
Partial nitritation using sequencing batch reactor with media input...
Patent number
11,919,791
Issue date
Mar 5, 2024
BKT CO., LTD.
Daehwan Rhu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
System for biological nitrogen removal and negative carbon discharg...
Patent number
11,884,569
Issue date
Jan 30, 2024
BEIJING JIAOTONG UNIVERSITY
Hong Yao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Mainstream deammonification process employing bypass primary efflue...
Patent number
11,878,926
Issue date
Jan 23, 2024
Veolia Water Solutions & Technologies Support
Romain Lemaire
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water treatment method for simultaneous abatement of carbon, nitrog...
Patent number
11,820,688
Issue date
Nov 21, 2023
Veolia Water Solutions & Technologies Support
Aude Fourcans
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Microbial carrier and device for treating wastewater
Patent number
11,795,080
Issue date
Oct 24, 2023
Industrial Technology Research Institute
Ting-Ting Chang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Combined waste water and gas treatment system for efficiently decar...
Patent number
11,795,086
Issue date
Oct 24, 2023
BEIJING JIAOTONG UNIVERSITY
Hong Yao
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus and method for advanced nitrogen and phosphorus removal o...
Patent number
11,787,716
Issue date
Oct 17, 2023
Beijing University of Technology
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for starting single-stage system for nitrogen removal coupli...
Patent number
11,746,029
Issue date
Sep 5, 2023
Nanjing University
Xuxiang Zhang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Nitrite-oxidizing bacteria activity inhibitor and method
Patent number
11,685,677
Issue date
Jun 27, 2023
Daehwan Rhu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Two-stage biogas production system for anaerobic digesters
Patent number
11,634,349
Issue date
Apr 25, 2023
Robert O. Hoffland
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Integrated wastewater treatment apparatus and method
Patent number
11,479,491
Issue date
Oct 25, 2022
SUZHOU UNIVERSITY OF SCIENCE AND TECHNOLOGY
Feng Liu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method for the biological treatment of nitrogen in effluents by nit...
Patent number
11,447,409
Issue date
Sep 20, 2022
SUEZ INTERNATIONAL
Marc Caligaris
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Carrier for retaining anammox bacteria for use in wastewater treatm...
Patent number
11,427,489
Issue date
Aug 30, 2022
TOYO UNIVERSITY
Tatsuo Sumino
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water treatment method
Patent number
11,396,466
Issue date
Jul 26, 2022
BIOFILMTECH PTY LTD.
Ralf Cord-Ruwisch
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Cow excreta treatment apparatus and method
Patent number
11,365,143
Issue date
Jun 21, 2022
Daehwan Rhu
C05 - FERTILISERS MANUFACTURE THEREOF
Information
Patent Grant
Mixing systems and methods of mixing
Patent number
11,332,398
Issue date
May 17, 2022
EnviroMix, Inc.
Robert Elliott Locklair
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Method and apparatus for treating municipal sewage by AOA process v...
Patent number
11,319,230
Issue date
May 3, 2022
Beijing University of Technology
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Apparatus and method for refractory organics conversion into biogas
Patent number
11,279,908
Issue date
Mar 22, 2022
SUEZ GROUPE
Patricia Camacho
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Floatable system and method for biologically treating wastewater us...
Patent number
11,254,594
Issue date
Feb 22, 2022
Entex Technologies Inc.
Jeffrey B. Danner
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Integrated deammonification process for wastewater reclamation
Patent number
11,220,449
Issue date
Jan 11, 2022
Nanyang Technological University
Jun Gu
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Partial nitrification-denitrification coupled two-stage autotrophic...
Patent number
11,203,541
Issue date
Dec 21, 2021
Sun Yat-Sen University
Hui Lu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Sequencing batch reactor for sewage treatment and sewage treatment...
Patent number
11,180,392
Issue date
Nov 23, 2021
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION CO. LTD.
Hwan Chul Cho
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Anammox reactor and water treatment method using the same
Patent number
11,180,393
Issue date
Nov 23, 2021
DOOSAN HEAVY INDUSTRIES & CONSTRUCTION C
Hwan Chul Cho
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Method of operating an upflow backwash filter
Patent number
11,097,966
Issue date
Aug 24, 2021
John H. Reid
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Flow equalization reactor having multiple wastewater treatment zones
Patent number
11,078,098
Issue date
Aug 3, 2021
John H. Reid
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Device and method for shortcut nitrogen removal and nitrite-oxidizi...
Patent number
11,053,148
Issue date
Jul 6, 2021
Daehwan Rhu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for the treatment of wastewater containing organic material...
Patent number
11,046,604
Issue date
Jun 29, 2021
Paques I.P. B.V.
Hendrik Dijkman
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Bioreactor for treating sewage and sewage treatment system comprisi...
Patent number
11,001,517
Issue date
May 11, 2021
Doosan Heavy Industries Construction Co., Ltd.
Hwan Chul Cho
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Systems and methods for controlling denitrification in a denitrifyi...
Patent number
10,947,141
Issue date
Mar 16, 2021
The Trustees of Columbia University In the City of New York
Kartik Chandran
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Water treatment apparatus for removing nitrogen contained in raw wa...
Patent number
10,927,024
Issue date
Feb 23, 2021
Doosan Heavy Industries Construction Co., Ltd.
Seong Ju Kim
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Patents Applications
last 30 patents
Information
Patent Application
METHOD AND DEVICE FOR REALIZING ADVANCED NITROGEN REMOVAL OF MATURE...
Publication number
20240109798
Publication date
Apr 4, 2024
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen PENG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Aerated Biological Filtration Process for Water Treatment with a Vi...
Publication number
20240101454
Publication date
Mar 28, 2024
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Romain Lemaire
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Device and Method for Enhancing Nitrogen and Phosphorus Removal Bas...
Publication number
20240067546
Publication date
Feb 29, 2024
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Tank Configuration with Enhanced Denitrification
Publication number
20240018026
Publication date
Jan 18, 2024
John R. Smith
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SYSTEM AND METHOD FOR REALIZING PARTIAL ANAMMOX ADVANCED NITROGEN A...
Publication number
20230331609
Publication date
Oct 19, 2023
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen PENG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
PARTIAL NITRITATION USING SEQUENCING BATCH REACTOR WITH MEDIA INPUT...
Publication number
20230286843
Publication date
Sep 14, 2023
BKT CO., LTD.
Daehwan RHU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
A sewage treatment system and method of continuous flow step-feed s...
Publication number
20230264994
Publication date
Aug 24, 2023
BEIJING DRAINAGE GROUP CO ., LTD
Shujun ZHANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
WASTEWATER TREATMENT SYSTEMS AND METHODS OF USE
Publication number
20230219833
Publication date
Jul 13, 2023
Inventus Holdings, LLC
Eric J. Lohan
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
MICROBIAL CARRIER AND DEVICE FOR TREATING WASTEWATER
Publication number
20230212046
Publication date
Jul 6, 2023
Industrial Technology Research Institute
Ting-Ting CHANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
SHORTCUT NITRIFICATION METHOD FOR SEWAGE TREATMENT
Publication number
20230150855
Publication date
May 18, 2023
SDIC Xinkai Water Environment Investment Co., Ltd.
Feng HOU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
APPARATUS AND METHOD FOR ADVANCED NITROGEN AND PHOSPHORUS REMOVAL O...
Publication number
20230114714
Publication date
Apr 13, 2023
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
DEVICE AND METHOD FOR TREATING URBAN DOMESTIC SEWAGE BASED ON TWO-S...
Publication number
20230100166
Publication date
Mar 30, 2023
BEIJING UNIVERSITY OF TECHNOLOGY
Bo Wang
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
APPARATUS AND METHOD FOR SYNCHRONOUSLY TREATING SEWAGE AND SLUDGE T...
Publication number
20230071009
Publication date
Mar 9, 2023
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen PENG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
MICROBE-BASED SYSTEMS, COMPOSITIONS, AND METHODS THEREOF
Publication number
20230046027
Publication date
Feb 16, 2023
University of Washington
Bruce J. Godfrey
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
System and Process for Removing Ammonium from a Wastewater Stream
Publication number
20220396508
Publication date
Dec 15, 2022
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Hong W. Zhao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND APPARATUS FOR NUTRIENT REMOVAL USING ANOXIC BIOFILMS
Publication number
20220289606
Publication date
Sep 15, 2022
Hampton Roads Sanitation District
Charles Bott
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
MIXING SYSTEMS AND METHODS OF MIXING
Publication number
20220234927
Publication date
Jul 28, 2022
ENVIROMIX, INC
Robert Elliott Locklair
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR TREATING WASTEWATER OR SLUDGE
Publication number
20220194834
Publication date
Jun 23, 2022
THE UNIVERSITY OF QUEENSLAND
Zhiyao WANG
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
COMBINED WASTE WATER AND GAS TREATMENT SYSTEM FOR EFFICIENTLY DECAR...
Publication number
20220177343
Publication date
Jun 9, 2022
BEIJING JIAOTONG UNIVERSITY
Hong Yao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR REMOVING NITROGEN AND PHOSPHORUS FROM SEWAGE AND WASTEWA...
Publication number
20220144678
Publication date
May 12, 2022
BKT CO., LTD.
Young Hyun PARK
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD FOR REMOVING NITROGEN AND PHOSPHORUS FROM SEWAGE AND WASTEWA...
Publication number
20220119292
Publication date
Apr 21, 2022
BKT CO., LTD.
Dae Hwan Rhu
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Water Treatment Method for Simultaneous Abatement of Carbon, Nitrog...
Publication number
20220017392
Publication date
Jan 20, 2022
VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
Aude FOURCANS
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
MABR MEDIA FOR SUPPORTING AOB AND ANNAMOX BACTERIA AND PROCESS FOR...
Publication number
20210355011
Publication date
Nov 18, 2021
BL Technologies, Inc.
Pierre Lucien COTE
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHODS AND APPARATUS FOR NUTRIENT AND WATER RECOVERY FROM WASTE ST...
Publication number
20210317016
Publication date
Oct 14, 2021
Babak Rezania
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
NITRITE-OXIDIZING BACTERIA ACTIVITY INHIBITOR AND METHOD
Publication number
20210292200
Publication date
Sep 23, 2021
BKT CO., LTD.
Daehwan RHU
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND APPARATUS FOR TREATING MUNICIPAL SEWAGE BY AOA PROCESS V...
Publication number
20210246057
Publication date
Aug 12, 2021
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD AND APPARATUS FOR REALIZING HETEROTROPHIC AND AUTOTROPHIC CO...
Publication number
20210238075
Publication date
Aug 5, 2021
BEIJING UNIVERSITY OF TECHNOLOGY
Yongzhen Peng
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
CARRIER FOR RETAINING ANAMMOX BACTERIA FOR USE IN WASTEWATER TREATM...
Publication number
20210087091
Publication date
Mar 25, 2021
TOYO UNIVERSITY
Tatsuo SUMINO
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
Ballasted Activated Sludge Treatment Combined with High-Rate Liquid...
Publication number
20210070642
Publication date
Mar 11, 2021
Carollo Engineers, Inc.
John Fraser
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Application
METHOD OF OPERATING AN UPFLOW BACKWASH FILTER
Publication number
20210061689
Publication date
Mar 4, 2021
John H. Reid
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL