Nitrates

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CPC
C02F2101/163

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CCHEMISTRY METALLURGY C02Water treatment C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F2101/00Nature of the contaminant

Current Industry

C02F2101/163Nitrates

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Methods and systems of PFAS destruction using UV irradiation at 222...
- Patent number 12,304,850
- Issue date May 20, 2025
- Claros Technologies Inc.
- Andrew Thomas Healy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Synergetic system and method for waste treatment
- Patent number 12,296,296
- Issue date May 13, 2025
- Dürr Systems AB
- Ake Kallstrand
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Plasma activated water production with membrane concentration
- Patent number 12,291,470
- Issue date May 6, 2025
- Florida State University Research Foundation, Inc.
- Bruce R. Locke
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for removing solids from a fluid stream
- Patent number 12,280,380
- Issue date Apr 22, 2025
- MAGE LLC
- Robert E. Miller
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and device for realizing advanced nitrogen removal of mature...
- Patent number 12,240,774
- Issue date Mar 4, 2025
- Beijing University of Technology
- Yongzhen Peng
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of saline water for agricultural and potable use
- Patent number 12,227,442
- Issue date Feb 18, 2025
- Evoqua Water Technologies LLC
- Gary C. Ganzi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device and method for enhancing nitrogen and phosphorus removal bas...
- Patent number 12,221,370
- Issue date Feb 11, 2025
- Beijing University of Technology
- Yongzhen Peng
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems for wastewater treatment
- Patent number 12,195,370
- Issue date Jan 14, 2025
- Duke University
- Lena Trotochaud
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for enhancing denitrification of sewage with low carbon-to-n...
- Patent number 12,187,632
- Issue date Jan 7, 2025
- Beijing University of Technology
- Dan Cui
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Reducing compositions and processes for producing the same
- Patent number 12,180,101
- Issue date Dec 31, 2024
- Altered Labs LLC
- Dario Echeverry Campos
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of saline water for agricultural and potable use and for...
- Patent number 12,180,103
- Issue date Dec 31, 2024
- Evoqua Water Technologies LLC
- Gary C Ganzi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for realizing partial anammox advanced nitrogen a...
- Patent number 12,172,915
- Issue date Dec 24, 2024
- Beijing University of Technology
- Yongzhen Peng
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biofilm electrochemical reactor for simultaneously removing nitrate...
- Patent number 12,103,869
- Issue date Oct 1, 2024
- Qingdao University of Technology
- Jincheng Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Receptor and method for removing oxoanions from aqueous phase
- Patent number 12,077,455
- Issue date Sep 3, 2024
- Uniwersytet Warszawski
- Jan Romanski
- G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information Patent Grant
Magnetized powder strengthened method for removing nitrate nitrogen...
- Patent number 12,024,446
- Issue date Jul 2, 2024
- Nanjing University
- Chendong Shuang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for decontaminating a liquid
- Patent number 11,999,635
- Issue date Jun 4, 2024
- SOUTHERN SPONGOLITE INDUSTRIES PTY LTD
- Peter James Keating
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for self-contained fluid cleaning apparatus
- Patent number 11,986,835
- Issue date May 21, 2024
- MAGE LLC
- Robert E. Miller
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Grant
System and method for removing nitrate from water
- Patent number 11,964,884
- Issue date Apr 23, 2024
- Iowa State University Research Foundation, Inc.
- Wenzhen Li
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for biologically treating ammonium perchlorate with pooling...
- Patent number 11,873,242
- Issue date Jan 16, 2024
- ARIANEGROUP SAS
- Aurélie Mano
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Copper integrated electrode with convertible oxidation state and pr...
- Patent number 11,845,679
- Issue date Dec 19, 2023
- Tongji University
- Ying Wang
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Rotating cored-type biological treatment device of low-carbon-sourc...
- Patent number 11,840,468
- Issue date Dec 12, 2023
- NANJING INSTITUTE OF ENVIRONMENTAL SCIENCES, MINISTRY OF ECOLOGY AND ENVIRONM...
- Yimin Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of saline water for agricultural and potable use
- Patent number 11,820,689
- Issue date Nov 21, 2023
- Evoqua Water Technologies LLC
- Gary C. Ganzi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biological phosphorus and nitrogen removal in activated sludge proc...
- Patent number 11,807,562
- Issue date Nov 7, 2023
- DENTRO-P, LLC
- Thomas E. Coleman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for preparing urea ammonium nitrate solution from waste nitr...
- Patent number 11,807,542
- Issue date Nov 7, 2023
- SHENZHEN ENVIRONMENTAL TECHNOLOGY GROUP CO. LTD.
- Wei-Hong Wang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Nitrogen sparging assisted anoxic biological water treatment system
- Patent number 11,802,067
- Issue date Oct 31, 2023
- United States Government, as represented by the Administrator of the U.S. EPA
- Asher Keithley
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Denitrification of water using bacteria
- Patent number 11,795,084
- Issue date Oct 24, 2023
- NuQuatic, LLC
- Donald A. Luke
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Integrated unicellular/filamentous algal production, harvesting and...
- Patent number 11,780,756
- Issue date Oct 10, 2023
- Nutech Ventures
- Paul N. Black
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Method of conserving irrigation water using a woven fabric substrate
- Patent number 11,771,017
- Issue date Oct 3, 2023
- Mark Banister
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Bacterium-alga coupled sewage treatment device based on energy recy...
- Patent number 11,702,354
- Issue date Jul 18, 2023
- BEIJING DRAINAGE GROUP CO., LTD
- Yong Jiang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems and processes for removing pollutants from water, reducing...
- Patent number 11,685,682
- Issue date Jun 27, 2023
- Ian L. Roback
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
ELECTRODE FOR NITRATE REDUCTION
- Publication number 20250162906
- Publication date May 22, 2025
- University of Iowa Research Foundation
- David Cwiertny
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
INTEGRATED SYNCHRONOUS NITROGEN AND SULFUR REMOVAL DEVICE AND WASTE...
- Publication number 20250154037
- Publication date May 15, 2025
- CHONGQING UNIVERSITY
- You-Peng CHEN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS AND SYSTEMS OF NITRATE REMOVAL IN AQUEOUS SYSTEMS FOR IMPRO...
- Publication number 20250145503
- Publication date May 8, 2025
- Claros Technologies Inc.
- Zekun Liu
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DEVICE AND METHOD FOR REALIZING ADVANCED NITROGEN REMOVAL OF DOMEST...
- Publication number 20250136486
- Publication date May 1, 2025
- BEIJING UNIVERSITY OF TECHNOLOGY
- Yongzhen Peng
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SULFATE REMOVAL FROM WATER
- Publication number 20250115497
- Publication date Apr 10, 2025
- ChemTreat, Inc.
- Vladimir DJUKANOVIC
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods and Systems For Wastewater Treatment
- Publication number 20250091915
- Publication date Mar 20, 2025
- Triangle Environmental Health Initiative, LLC
- Lena Trotochaud
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REDUCING COMPOSITIONS AND PROCESSES FOR PRODUCING THE SAME
- Publication number 20250074800
- Publication date Mar 6, 2025
- Altered Labs LLC
- Dario ECHEVERRY CAMPOS
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
A Method of Monitoring Processes in an Urban Water Cycle
- Publication number 20250066221
- Publication date Feb 27, 2025
- VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
- Thomas Munk-Nielsen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
AQUAPONIC SYSTEM SET PPLYING FILTRATION WITH REVERSE OSMOSIS MEMBRANE
- Publication number 20250049004
- Publication date Feb 13, 2025
- Edgar Antonio RODRIGUEZ MARQUEZ
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
FILTER
- Publication number 20250051206
- Publication date Feb 13, 2025
- Origin by Ocean
- Ari Ruuskanen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
EXTERNAL ACCELERATION SYSTEM FOR BIOLOGICAL DENITRIFICATION PROCESS...
- Publication number 20250042791
- Publication date Feb 6, 2025
- SUN YAT-SEN UNIVERSITY
- Feng JIANG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods and Systems of Nitrate Removal in Aqueous Systems for Impro...
- Publication number 20250019286
- Publication date Jan 16, 2025
- Claros Technologies Inc.
- Zekun Liu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Methods of treating water
- Publication number 20250011207
- Publication date Jan 9, 2025
- B.G. NEGEV TECHNOLOGIES AND APPLICATION LTD., AT BEN-GURION UNIVERSITY
- Jack Gilron
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
MEMBRANE BIOREACTOR SYSTEM FOR TREATING WASTEWATER USING OXYGEN
- Publication number 20250002386
- Publication date Jan 2, 2025
- American Air Liquide, Inc.
- Min Ho MAENG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM FOR BIOLOGICAL PHOSPHORUS AND NITROGEN REMOVAL IN AN ACTIVAT...
- Publication number 20240327263
- Publication date Oct 3, 2024
- DENTRO-P, LLC
- Thomas E. Coleman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD AND APPARATUS FOR SELF-CONTAINED FLUID CLEANING APPARATUS
- Publication number 20240261792
- Publication date Aug 8, 2024
- MAGE LLC
- Robert E. Miller
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
REDOX-ACTIVE COMPOSITE AND ELECTROCHEMICAL REACTIVE SEPARATION OF N...
- Publication number 20240254017
- Publication date Aug 1, 2024
- THE BOARD OF TRUSTEES OF THE UNIVERSITY OF ILLINOIS
- Xiao SU
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Immobilized Microbes for Water Treatment
- Publication number 20240246842
- Publication date Jul 25, 2024
- NOVOZYMES A/S
- Cedric Hobel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
WATER TREATMENT
- Publication number 20240092660
- Publication date Mar 21, 2024
- Purolite Corporation
- Francis Boodoo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PHOTOCATALYTIC MATERIAL FOR EFFICIENT PHOTOCATALYTIC REMOVAL OF HIG...
- Publication number 20230372918
- Publication date Nov 23, 2023
- Nanjing University
- Jinnan WANG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Electrified Membrane Flow-Cell Reactor For Concurrent Nitrate Reduc...
- Publication number 20230365442
- Publication date Nov 16, 2023
- NEW JERSEY INSTITUTE OF TECHNOLOGY
- Wen Zhang
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Apparatus and Methods for Nitrogen Reduction in Wastewater
- Publication number 20230365444
- Publication date Nov 16, 2023
- The Board of Trustees of the Leland Stanford Junior University
- William A. Tarpeh
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Application
Method for Enhancing Denitrification of Sewage with Low Carbon-To-N...
- Publication number 20230331603
- Publication date Oct 19, 2023
- BEIJING UNIVERSITY OF TECHNOLOGY
- Dan Cui
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR REMOVAL OF NITRATE AND PERCHLORATE FROM FLUID
- Publication number 20230278895
- Publication date Sep 7, 2023
- Charles B. Drewry
- 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
CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELE...
- Publication number 20230183112
- Publication date Jun 15, 2023
- OKINAWA INSTITUTE OF SCIENCE AND TECHNOLOGY SCHOOL CORPORATION
- Mami KAINUMA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD AND APPARATUS FOR REMOVING SOLIDS FROM A FLUID STREAM
- Publication number 20230183098
- Publication date Jun 15, 2023
- MAGE LLC
- Robert E. Miller
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS AND A PLANT
- Publication number 20230131868
- Publication date Apr 27, 2023
- CLEAN TEQ WATER TECHNOLOGY PTY LTD
- Nikolai Zontov
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Methods and systems of PFAS destruction using UV irradiation at 222...

Synergetic system and method for waste treatment

Plasma activated water production with membrane concentration

Method and apparatus for removing solids from a fluid stream

Method and device for realizing advanced nitrogen removal of mature...

Treatment of saline water for agricultural and potable use

Device and method for enhancing nitrogen and phosphorus removal bas...

Methods and systems for wastewater treatment

Method for enhancing denitrification of sewage with low carbon-to-n...

Reducing compositions and processes for producing the same

Treatment of saline water for agricultural and potable use and for...

System and method for realizing partial anammox advanced nitrogen a...

Biofilm electrochemical reactor for simultaneously removing nitrate...

Receptor and method for removing oxoanions from aqueous phase

Magnetized powder strengthened method for removing nitrate nitrogen...

Method for decontaminating a liquid

Method and apparatus for self-contained fluid cleaning apparatus

System and method for removing nitrate from water

Method for biologically treating ammonium perchlorate with pooling...

Copper integrated electrode with convertible oxidation state and pr...

Rotating cored-type biological treatment device of low-carbon-sourc...

Treatment of saline water for agricultural and potable use

Biological phosphorus and nitrogen removal in activated sludge proc...

Method for preparing urea ammonium nitrate solution from waste nitr...

Nitrogen sparging assisted anoxic biological water treatment system

Denitrification of water using bacteria

Integrated unicellular/filamentous algal production, harvesting and...

Method of conserving irrigation water using a woven fabric substrate

Bacterium-alga coupled sewage treatment device based on energy recy...

Systems and processes for removing pollutants from water, reducing...

Patents Applicationslast 30 patents

ELECTRODE FOR NITRATE REDUCTION

INTEGRATED SYNCHRONOUS NITROGEN AND SULFUR REMOVAL DEVICE AND WASTE...

METHODS AND SYSTEMS OF NITRATE REMOVAL IN AQUEOUS SYSTEMS FOR IMPRO...

DEVICE AND METHOD FOR REALIZING ADVANCED NITROGEN REMOVAL OF DOMEST...

SULFATE REMOVAL FROM WATER

Methods and Systems For Wastewater Treatment

REDUCING COMPOSITIONS AND PROCESSES FOR PRODUCING THE SAME

A Method of Monitoring Processes in an Urban Water Cycle

AQUAPONIC SYSTEM SET PPLYING FILTRATION WITH REVERSE OSMOSIS MEMBRANE

FILTER

EXTERNAL ACCELERATION SYSTEM FOR BIOLOGICAL DENITRIFICATION PROCESS...

Methods and Systems of Nitrate Removal in Aqueous Systems for Impro...

Methods of treating water

MEMBRANE BIOREACTOR SYSTEM FOR TREATING WASTEWATER USING OXYGEN

SYSTEM FOR BIOLOGICAL PHOSPHORUS AND NITROGEN REMOVAL IN AN ACTIVAT...

METHOD AND APPARATUS FOR SELF-CONTAINED FLUID CLEANING APPARATUS

REDOX-ACTIVE COMPOSITE AND ELECTROCHEMICAL REACTIVE SEPARATION OF N...

Immobilized Microbes for Water Treatment

METHOD AND DEVICE FOR REALIZING ADVANCED NITROGEN REMOVAL OF MATURE...

WATER TREATMENT

PHOTOCATALYTIC MATERIAL FOR EFFICIENT PHOTOCATALYTIC REMOVAL OF HIG...

Electrified Membrane Flow-Cell Reactor For Concurrent Nitrate Reduc...

Apparatus and Methods for Nitrogen Reduction in Wastewater

Method for Enhancing Denitrification of Sewage with Low Carbon-To-N...

PROCESS FOR REMOVAL OF NITRATE AND PERCHLORATE FROM FLUID

A sewage treatment system and method of continuous flow step-feed s...

WASTEWATER TREATMENT SYSTEMS AND METHODS OF USE

CONCURRENT RAW AND AERATED WASTEWATER TREATMENT METHOD USING BIOELE...

METHOD AND APPARATUS FOR REMOVING SOLIDS FROM A FLUID STREAM

PROCESS AND A PLANT