with addition of chemical agents

Industry

CPC
C02F11/14

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

CCHEMISTRY METALLURGY C02Water treatment C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F11/00Treatment of sludge Devices therefor

Current Industry

C02F11/14with addition of chemical agents

Industries

Please log in for detailed analytics

Patents Grantslast 30 patents

Information Patent Grant
Ferrate based water treatment
- Patent number 12,358,822
- Issue date Jul 15, 2025
- CECO Environmental IP Inc.
- David Barker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Geotechnical characteristics of tailings via lime addition
- Patent number 12,351,493
- Issue date Jul 8, 2025
- Graymont Western Canada Inc.
- Nikolas Andrei Romaniuk
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Wastewater treatment system and method for producing sludge for cem...
- Patent number 12,338,146
- Issue date Jun 24, 2025
- Alden Group Environmental Solutions, LLC
- William Paul
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method, system and stable for phosphate recovery from a waste stream
- Patent number 12,325,652
- Issue date Jun 10, 2025
- KONINKLIJKE OOSTERHOF-HOLMAN BEHEER B.V.
- Christopher Schott
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System and method for wastewater treatment
- Patent number 12,312,266
- Issue date May 27, 2025
- Brown and Caldwell
- John L. Willis
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for recovering phosphorus from sludge rich in chemical phosp...
- Patent number 12,304,842
- Issue date May 20, 2025
- Tongji University
- Yongmei Li
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Enhanced flocculation of intractable slurries using silicate ions
- Patent number 12,304,838
- Issue date May 20, 2025
- Envicore Inc.
- Milana Trifkovic
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems, methods, and apparatus for mechanically removing liquid fr...
- Patent number 12,297,135
- Issue date May 13, 2025
- Merrell Bros., Inc.
- Terry Merrell
- F26 - DRYING
Information Patent Grant
Method for the manufacture of hydraulic binders from water treatmen...
- Patent number 12,275,673
- Issue date Apr 15, 2025
- Ardex Group GmbH
- Stephen Alan Brooks
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems of dewatering tailings
- Patent number 12,269,762
- Issue date Apr 8, 2025
- Somerset International Finance Designated Activity Company
- David Osborne
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for treating sludge
- Patent number 12,252,422
- Issue date Mar 18, 2025
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for producing cationic lignin copolymer under aqueous acid...
- Patent number 12,234,165
- Issue date Feb 25, 2025
- Fpinnovations
- Pedram Fatehi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Reducing undesirable emissions from sediments via treatment with lime
- Patent number 12,209,041
- Issue date Jan 28, 2025
- Graymont Western Canada Inc.
- Nikolas Andrei Romaniuk
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Porous biological polymerizing agent for sediment dewatering in the...
- Patent number 12,202,754
- Issue date Jan 21, 2025
- CCCC (TIANJIN) ECO-ENVIRONMENTAL PROTECTION DESIGN & RESEARCH INSTITUTE CO.,...
- Baoan Hu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems and methods of intensive recirculating aquaculture
- Patent number 12,178,195
- Issue date Dec 31, 2024
- ATLANTIC SAPPHIRE IP, LLC
- Thue Holm
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Transfer assembly and system for aquaculture
- Patent number 12,161,095
- Issue date Dec 10, 2024
- ATLANTIC SAPPHIRE IP, LLC
- Thue Holm
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Grant
Process of disposal in piles of tailings stemming from the iron ore...
- Patent number 12,162,025
- Issue date Dec 10, 2024
- Vale S.A.
- Nilton Carlos Torquato
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
High-efficiency and multifunctional sludge conditioner and preparat...
- Patent number 12,145,872
- Issue date Nov 19, 2024
- Shenzhen Shenshui Water Resources Consulting Co., Ltd.
- Xu Kang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment method and device for dehydration of organic sludges
- Patent number 12,134,575
- Issue date Nov 5, 2024
- Orege
- Patrice Capeau
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of tailings
- Patent number 12,129,192
- Issue date Oct 29, 2024
- EXTRAKT PROCESS SOLUTIONS, LLC
- Paul C. Painter
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Anaerobic treatment of waste
- Patent number 12,122,697
- Issue date Oct 22, 2024
- BISVIRIDI LTD
- Neil Francis Hunter
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of reducing and controlling hazardous substance in process o...
- Patent number 12,122,696
- Issue date Oct 22, 2024
- Tongji University
- Yinguang Chen
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Anionic flocculant, anionic flocculant production method, and treat...
- Patent number 12,122,694
- Issue date Oct 22, 2024
- SUIDO KIKO KAISHA, LTD.
- Takayuki Abe
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sludge dehydrating agent and sludge dehydration method
- Patent number 12,110,242
- Issue date Oct 8, 2024
- Kurita Water Industries Ltd.
- Ayako Sakamoto
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Biofilm carrier media in moving bed biofilm reactor processes
- Patent number 12,110,243
- Issue date Oct 8, 2024
- Veolia Water Solutions & Technologies Support
- Per Magnusson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems and methods for dewatering slurries
- Patent number 12,067,962
- Issue date Aug 20, 2024
- Vermeer Manufacturing Company
- Gregory Anderson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for treating sewage sludge
- Patent number 12,006,241
- Issue date Jun 11, 2024
- RDP Technologies, Inc.
- Richard W. Christy
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Double drum systems and processes for converting biosolids to ferti...
- Patent number 11,999,668
- Issue date Jun 4, 2024
- Merrell Bros., Inc.
- Terry Merrell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Ferrate based water treatment
- Patent number 11,999,644
- Issue date Jun 4, 2024
- CECO Environmental IP Inc.
- David Barker
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Micropore ultrasonic disintegration device for sludge cell disinteg...
- Patent number 11,993,523
- Issue date May 28, 2024
- South China Institute of Environmental Sciences, MEE
- Mingyang Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS OF DEWATERING TAILINGS
- Publication number 20250230086
- Publication date Jul 17, 2025
- Somerset International Finance Designated Activity Company
- David Osborne
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEMS, METHODS, AND APPARATUS FOR MECHANICALLY REMOVING LIQUID FR...
- Publication number 20250230085
- Publication date Jul 17, 2025
- Merrell Bros., Inc.
- Terry Merrell
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR TREATING WASTE WATERS AND RESIDUE SLUDGE BY MEANS OF DEC...
- Publication number 20250223213
- Publication date Jul 10, 2025
- HYDROMECANIQUE ET FROTTEMENT
- Frédéric Garcia
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A PROCESS FOR TREATING SLUDGE
- Publication number 20250206648
- Publication date Jun 26, 2025
- Yissum Research Development Company of the Hebrew University of Jerusalem Ltd.
- Yoel SASSON
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
WASTEWATER SLUDGE DEWATERING
- Publication number 20250206649
- Publication date Jun 26, 2025
- Solenis Technologies, L.P.
- Martin Riley
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Sludge And Polymer Conditioning System And Method Thereof
- Publication number 20250206650
- Publication date Jun 26, 2025
- Adalberto Mercado Alvarado
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes
- Publication number 20250154039
- Publication date May 15, 2025
- VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
- Per MAGNUSSON
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM AND METHOD FOR TREATMENT OF BIOMASS CONTAINING WASTEWATER FO...
- Publication number 20250136490
- Publication date May 1, 2025
- Evoqua Water Technologies LLC
- Hari G. Gupta
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
BIOSOLIDS QUALITY AND DEWATERABILITY
- Publication number 20250074807
- Publication date Mar 6, 2025
- Premier Magnesia, LLC
- Matthew P. Madolora
- 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
Use of Flotation for Separation and Thickening of Ballasted Sludge
- Publication number 20250042796
- Publication date Feb 6, 2025
- Evoqua Water Technologies LLC
- Robert J. Wenta
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
TREATMENT OF TAILINGS
- Publication number 20250019279
- Publication date Jan 16, 2025
- EXTRAKT PROCESS SOLUTIONS, LLC
- Paul C. PAINTER
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD OF SLUDGE PRETREATMENT FOR IMPROVED DIGESTIBILITY AND REDUCE...
- Publication number 20240425400
- Publication date Dec 26, 2024
- The Governors of the University of Alberta
- Liu Yang
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Application
Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes
- Publication number 20240425398
- Publication date Dec 26, 2024
- VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
- Per MAGNUSSON
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
EMULSION POLYMER TO INCREASE CAKE SOLIDS IN CENTRIFUGES
- Publication number 20240400433
- Publication date Dec 5, 2024
- Solenis Technologies, L.P.
- Nathalie Bruzzano
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEMS AND METHODS FOR DEWATERING SLURRIES
- Publication number 20240395234
- Publication date Nov 28, 2024
- Vermeer Manufacturing Company
- Gregory Anderson
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
Method for Regulating the Addition of a Flocculant to a Sludge
- Publication number 20240383790
- Publication date Nov 21, 2024
- Andritz AG
- Alexander Tanzer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR CONDITIONING ADVANCED ANAEROBIC DIGESTION SLUDGE BY DEEP...
- Publication number 20240375986
- Publication date Nov 14, 2024
- BEIJING DRAINAGE GROUP CO ., LTD
- Xingmin FU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method and System for Fine Particulate Removal and Processing from...
- Publication number 20240351931
- Publication date Oct 24, 2024
- UNITED CONVEYOR CORPORATION
- Kevin McDonough
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
WASTEWATER TREATMENT USING AEROBIC TREATMENT WITH BRUSHITE PRECIPIT...
- Publication number 20240343621
- Publication date Oct 17, 2024
- Centrifuge-Systems LLC
- Hiroko Yoshida
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESSES AND APPARATUSES FOR CONVERTING POLY- AND PERFLUOROALKYL S...
- Publication number 20240336510
- Publication date Oct 10, 2024
- UOP LLC
- Erick J. Bennett
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESSES AND APPARATUSES FOR CONVERTING POLY- AND PERFLUOROALKYL S...
- Publication number 20240336511
- Publication date Oct 10, 2024
- UOP LLC
- Erick J. Bennett
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
LARGE-SCALE IN-SITU DEWATERING TREATMENT METHOD AND DEVICE FOR LAKE...
- Publication number 20240327265
- Publication date Oct 3, 2024
- NANJING HYDRAULIC RESEARCH INSTITUTE
- Ziwu Fan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Semiconductor Chemical Mechanical Polishing Sludge Recycling Device
- Publication number 20240317621
- Publication date Sep 26, 2024
- Ya-Min HSIEH
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FERRATE BASED WATER TREATMENT
- Publication number 20240317623
- Publication date Sep 26, 2024
- CECO Environmental IP Inc.
- David BARKER
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SLUDGE TREATMENT FACILITY OPERATION ASSISTANCE NAVIGATION SYSTEM AN...
- Publication number 20240317609
- Publication date Sep 26, 2024
- Hitachi, Ltd
- Jun TANAKA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
A TREATMENT SYSTEM, ITS USE AND METHOD FOR TREATING EFFLUENT AND/OR...
- Publication number 20240300839
- Publication date Sep 12, 2024
- KEMIRA OYJ
- Veli-Matti VUORENPALO
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE
- Publication number 20240262786
- Publication date Aug 8, 2024
- Cédrick FAVERO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ENHANCED FLOCCULATION OF INTRACTABLE SLURRIES USING SILICATE IONS
- Publication number 20240254019
- Publication date Aug 1, 2024
- EnviCore Inc.
- Milana Trifkovic
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FLUID SOLIDIFYING AND DISINFECTING COMPOSITION AND METHODS OF MAKIN...
- Publication number 20240217846
- Publication date Jul 4, 2024
- Justin Brown
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

with addition of chemical agents

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ferrate based water treatment

Geotechnical characteristics of tailings via lime addition

Wastewater treatment system and method for producing sludge for cem...

Method, system and stable for phosphate recovery from a waste stream

System and method for wastewater treatment

Method for recovering phosphorus from sludge rich in chemical phosp...

Enhanced flocculation of intractable slurries using silicate ions

Systems, methods, and apparatus for mechanically removing liquid fr...

Method for the manufacture of hydraulic binders from water treatmen...

Methods and systems of dewatering tailings

Process for treating sludge

Process for producing cationic lignin copolymer under aqueous acid...

Reducing undesirable emissions from sediments via treatment with lime

Porous biological polymerizing agent for sediment dewatering in the...

Systems and methods of intensive recirculating aquaculture

Transfer assembly and system for aquaculture

Process of disposal in piles of tailings stemming from the iron ore...

High-efficiency and multifunctional sludge conditioner and preparat...

Treatment method and device for dehydration of organic sludges

Treatment of tailings

Anaerobic treatment of waste

Method of reducing and controlling hazardous substance in process o...

Anionic flocculant, anionic flocculant production method, and treat...

Sludge dehydrating agent and sludge dehydration method

Biofilm carrier media in moving bed biofilm reactor processes

Systems and methods for dewatering slurries

Process for treating sewage sludge

Double drum systems and processes for converting biosolids to ferti...

Ferrate based water treatment

Micropore ultrasonic disintegration device for sludge cell disinteg...

Patents Applicationslast 30 patents

METHODS AND SYSTEMS OF DEWATERING TAILINGS

SYSTEMS, METHODS, AND APPARATUS FOR MECHANICALLY REMOVING LIQUID FR...

METHOD FOR TREATING WASTE WATERS AND RESIDUE SLUDGE BY MEANS OF DEC...

A PROCESS FOR TREATING SLUDGE

WASTEWATER SLUDGE DEWATERING

Sludge And Polymer Conditioning System And Method Thereof

Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes

SYSTEM AND METHOD FOR TREATMENT OF BIOMASS CONTAINING WASTEWATER FO...

BIOSOLIDS QUALITY AND DEWATERABILITY

A Method of Monitoring Processes in an Urban Water Cycle

Use of Flotation for Separation and Thickening of Ballasted Sludge

TREATMENT OF TAILINGS

METHOD OF SLUDGE PRETREATMENT FOR IMPROVED DIGESTIBILITY AND REDUCE...

Biofilm Carrier Media in Moving Bed Biofilm Reactor Processes

EMULSION POLYMER TO INCREASE CAKE SOLIDS IN CENTRIFUGES

SYSTEMS AND METHODS FOR DEWATERING SLURRIES

Method for Regulating the Addition of a Flocculant to a Sludge

METHOD FOR CONDITIONING ADVANCED ANAEROBIC DIGESTION SLUDGE BY DEEP...

Method and System for Fine Particulate Removal and Processing from...

WASTEWATER TREATMENT USING AEROBIC TREATMENT WITH BRUSHITE PRECIPIT...

PROCESSES AND APPARATUSES FOR CONVERTING POLY- AND PERFLUOROALKYL S...

PROCESSES AND APPARATUSES FOR CONVERTING POLY- AND PERFLUOROALKYL S...

LARGE-SCALE IN-SITU DEWATERING TREATMENT METHOD AND DEVICE FOR LAKE...

Semiconductor Chemical Mechanical Polishing Sludge Recycling Device

FERRATE BASED WATER TREATMENT

SLUDGE TREATMENT FACILITY OPERATION ASSISTANCE NAVIGATION SYSTEM AN...

A TREATMENT SYSTEM, ITS USE AND METHOD FOR TREATING EFFLUENT AND/OR...

METHOD FOR OBTAINING BIO-SOURCED SUSBTITUTED ALKYL(METH)ACRYLAMIDE

ENHANCED FLOCCULATION OF INTRACTABLE SLURRIES USING SILICATE IONS

FLUID SOLIDIFYING AND DISINFECTING COMPOSITION AND METHODS OF MAKIN...