from metallurgical processes, i.e. from the production, refining or treatment of metals

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CCHEMISTRY METALLURGY C02Water treatment C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F2103/00Nature of the water, waste water, sewage or sludge to be treated

Current Industry

C02F2103/16from metallurgical processes, i.e. from the production, refining or treatment of metals

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for treating an industrial effluent charged with aluminium u...
- Patent number 12,304,828
- Issue date May 20, 2025
- L'Air Liquide, Société Anonyme pour l'Etude et Georges Claude
- Bruno Alban
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Systems and methods for shielded inductive devices
- Patent number 12,278,259
- Issue date Apr 15, 2025
- Taiwan Semiconductor Manufacturing Company, Ltd
- Feng Wei Kuo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Sorbent compositions for the removal of boron from aqueous mediums
- Patent number 12,269,755
- Issue date Apr 8, 2025
- ADA Carbon Solutions, LLC
- Micala D. Mitchek
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for treating electroplating wastewater
- Patent number 12,264,089
- Issue date Apr 1, 2025
- NANCHANG HANGKONG UNIVERSITY
- Jun Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods of treating water with powder activated carbon to reduce or...
- Patent number 12,221,367
- Issue date Feb 11, 2025
- ChemTreat, Inc.
- Douglas A. Godwin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for preparing nanofiltration membrane and nanofiltration mem...
- Patent number 12,201,947
- Issue date Jan 21, 2025
- Vontron Technology Co., Ltd.
- Yan Jin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment process for recycling silicon ingot cutting waste
- Patent number 12,195,342
- Issue date Jan 14, 2025
- ROSI
- Yun Luo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method to sustainable integrated wastewater treatment an...
- Patent number 12,195,361
- Issue date Jan 14, 2025
- Saudi Arabian Oil Company
- Faisal B. Almutairi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Red mud utilization method based on co-processing of industrial exh...
- Patent number 12,172,929
- Issue date Dec 24, 2024
- Shandong University
- Shucai Li
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Device for treating uranium tailings with microorganism
- Patent number 12,131,833
- Issue date Oct 29, 2024
- THE FOURTH RESEARCH AND DESIGN ENGINEERING INSTITUTE OF CHINA NATIONAL NUCLEA...
- Juan Sun
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Electrosorptive cavitation devices and methods for phase separation
- Patent number 12,017,155
- Issue date Jun 25, 2024
- National Research Council of Canada
- Deepak M. Kirpalani
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Device for efficiently recycling nickel in wastewater and method
- Patent number 11,952,291
- Issue date Apr 9, 2024
- Chongqing University of Arts and Sciences
- Wei Guan
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method and apparatus for removing ammonia nitrogen from electrolyti...
- Patent number 11,926,913
- Issue date Mar 12, 2024
- GUIZHOU UNIVERSITY
- Pan Wu
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Wastewater treatment method and apparatus based on hydrate-based wa...
- Patent number 11,926,538
- Issue date Mar 12, 2024
- Dalian University of Technology
- Yongchen Song
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Fusion proteins, recombinant bacteria, and methods for using recomb...
- Patent number 11,905,315
- Issue date Feb 20, 2024
- Spogen Biotech Inc.
- Brian Thompson
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Lanthanide-doped layered double hydroxides and method of producing...
- Patent number 11,896,968
- Issue date Feb 13, 2024
- Vito N.V.
- Elena Mihaela Seftel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for separating mill scale from wastewater
- Patent number 11,839,838
- Issue date Dec 12, 2023
- Arcelormittal
- Naiyang Ma
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Systems and methods for shielded inductive devices
- Patent number 11,804,515
- Issue date Oct 31, 2023
- Taiwan Semiconductor Manufacturing Co., Ltd.
- Feng Wei Kuo
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for treating an effluent supersaturated with calcium carbona...
- Patent number 11,753,324
- Issue date Sep 12, 2023
- Veolia Water Solutions & Technologies Support
- Didier Grange
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for treatment of mixed electroplating wasterwater without cy...
- Patent number 11,685,681
- Issue date Jun 27, 2023
- GUANGZHOU ULTRA UNION CHEMICALS LTD
- Chongwu Guo
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Ferro-cavitation processes for target metal separation
- Patent number 11,679,996
- Issue date Jun 20, 2023
- National Research Council of Canada
- Deepak M. Kirpalani
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems and methods for treating acidity, heavy metals, and solids...
- Patent number 11,680,001
- Issue date Jun 20, 2023
- Yost Brothers LLC
- Karl William Yost
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and system for the treatment of cyanide-containing fluids
- Patent number 11,667,553
- Issue date Jun 6, 2023
- EISENMANN SE
- Jochen Schumacher
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems for zero liquid discharge recycling of waste ge...
- Patent number 11,597,668
- Issue date Mar 7, 2023
- GreenSource Fabrication LLC
- Alexander Slavomir Stepinski
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for reducing formation of CaSO4 and Fe2O3 containing deposit...
- Patent number 11,535,911
- Issue date Dec 27, 2022
- Solenis Technologies, L.P.
- Kirill N. Bakeev
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of rapid treatment of heavy metal sludge and preparation of...
- Patent number 11,524,904
- Issue date Dec 13, 2022
- Ming-Chien Hsiao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for treating industrial waste
- Patent number 11,505,479
- Issue date Nov 22, 2022
- EVOCRA PTY LIMITED
- Michael David Dickson
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of treating wastewater
- Patent number 11,505,480
- Issue date Nov 22, 2022
- Mitsubishi Materials Corporation
- Daisuke Haraguchi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of treating wastewater
- Patent number 11,479,490
- Issue date Oct 25, 2022
- Mitsubishi Materials Corporation
- Daisuke Haraguchi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for processing metallurgical waste acid
- Patent number 11,479,481
- Issue date Oct 25, 2022
- MACH TECHNOLOGY CO., LTD.
- Chun-Gen Chang
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
WASTEWATER TREATMENT PROCESS IN PRODUCTION OF NICKEL COBALT HYDROXIDE
- Publication number 20250171342
- Publication date May 29, 2025
- PT ESG NEW ENERGY MATERIAL
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
LITHIUM RECOVERY SYSTEM FOR BLACK MASS
- Publication number 20250163543
- Publication date May 22, 2025
- DOOSAN ENERBILITY CO., LTD.
- Jang Yong YOU
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
A PROCESS FOR CONVERSION OF AQUEOUS HYDROGEN SULFIDE TO SULFURIC ACID
- Publication number 20250154005
- Publication date May 15, 2025
- Topsoe A/S
- Samuel Wiktor Scherman JOHANSSON
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR TREATING WASTE WATERS AND RESIDUE SLUDGE BY MEANS OF CAR...
- Publication number 20250154033
- Publication date May 15, 2025
- HYDROMECANIQUE ET FROTTEMENT
- Frédéric Garcia
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COMPOSITION AND METHOD FOR TREATING AND PURIFYING WATER BY MEANS OF...
- Publication number 20250128972
- Publication date Apr 24, 2025
- CLEAN WATER SPA
- Oscar Alejandro TORRES SAAVEDRA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
DOUBLE EFFECT ABSORPTION COOLING FOR INDUSTRIAL APPLICATIONS
- Publication number 20250129989
- Publication date Apr 24, 2025
- Saudi Arabian Oil Company
- Faisal B. Almutairi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR TREATING WASTE WATERS AND RESIDUE SLUDGE BY MEANS OF CAR...
- Publication number 20250122105
- Publication date Apr 17, 2025
- HYDROMECANIQUE ET FROTTEMENT
- Frédéric Garcia
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ELECTRODIALYSIS PROCESS FOR HIGH ION REJECTION IN THE PRESENCE OF B...
- Publication number 20250100913
- Publication date Mar 27, 2025
- TexOPCO. LLC
- Ethan L. DEMETER
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
DEVICE AND METHOD FOR PREPARING COOLING WATER ON DEMAND
- Publication number 20250091120
- Publication date Mar 20, 2025
- C-TEC Constellium Technology Center
- Pascal HERVIEU
- B22 - CASTING POWDER METALLURGY
Information Patent Application
TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATE...
- Publication number 20250083980
- Publication date Mar 13, 2025
- SunCoke Technology and Development LLC
- John Francis QUANCI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
REGENERABLE SMART MATERIALS FOR SELECTIVE REMOVAL OF POLLUTANTS FRO...
- Publication number 20250051189
- Publication date Feb 13, 2025
- EXPOSOME PVT. LTD.
- Prerna Goradia
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM AND METHOD FOR INTEGRATED WATER TREATMENT AND COOLING IN THE...
- Publication number 20240352548
- Publication date Oct 24, 2024
- Saudi Arabian Oil Company
- Faisal B. Almutairi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
DEVICE FOR TREATING URANIUM TAILINGS WITH MICROORGANISM
- Publication number 20240331887
- Publication date Oct 3, 2024
- The Fourth Research and Design Engineering Institute of China National Nuclea...
- Juan Sun
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Application
ACIDIC WASTEWATER PH NEUTRALIZATION WITH MICRONIZED CALCIUM CARBONATE
- Publication number 20240327264
- Publication date Oct 3, 2024
- ChemTreat, Inc.
- Mostafa JAHANIAN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Environmental-friendly Process for the Treatment of Wastewater
- Publication number 20240294410
- Publication date Sep 5, 2024
- Universiteit Gent
- Pieter OSTERMEYER
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING
- Publication number 20240287641
- Publication date Aug 29, 2024
- METSO FINLAND OY
- Marika TIIHONEN
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
SYSTEM AND METHOD TO SUSTAINABLE INTEGRATED WASTEWATER TREATMENT AN...
- Publication number 20240279079
- Publication date Aug 22, 2024
- Saudi Arabian Oil Company
- Faisal B. Almutairi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS OF REMOVING ALUMINUM WASTE IN WASTEWATER
- Publication number 20240279085
- Publication date Aug 22, 2024
- SK INNOVATION CO., LTD.
- Jae Yang SONG
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELAT...
- Publication number 20240270612
- Publication date Aug 15, 2024
- Battelle Energy Alliance, LLC
- Caleb C. Stetson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
ELECTROCHEMICAL MEMBRANE APPARATUS INCLUDING AN ELECTROCHEMICAL MEM...
- Publication number 20240228339
- Publication date Jul 11, 2024
- Battelle Energy Alliance, LLC
- Qiang Wang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FUSION PROTEINS, RECOMBINANT BACTERIA, AND METHODS FOR USING RECOMB...
- Publication number 20240199709
- Publication date Jun 20, 2024
- SPOGEN BIOTECH INC.
- Brian Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PLANT AND PROCESS FOR REMOVING SUSPENDED SOLIDS, OILS AND GREASES F...
- Publication number 20240181373
- Publication date Jun 6, 2024
- DANIELI & C. OFFICINE MECCANICHE SPA
- Antonio NARDELLA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS OF TREATING WATER WITH POWDER ACTIVATED CARBON TO REDUCE OR...
- Publication number 20240034653
- Publication date Feb 1, 2024
- ChemTreat, Inc.
- Douglas A. GODWIN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CONTINUOUS CASTING SPRAY WATER PERFORMANCE MONITORING AND WATER CON...
- Publication number 20240009730
- Publication date Jan 11, 2024
- ECOLAB USA INC.
- Shawn Dalke
- B22 - CASTING POWDER METALLURGY
Information Patent Application
SYSTEMS AND METHODS FOR SHIELDED INDUCTIVE DEVICES
- Publication number 20230387180
- Publication date Nov 30, 2023
- TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
- Feng Wei KUO
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
WASTEWATER TREATMENT METHOD AND APPARATUS BASED ON HYDRATE-BASED WA...
- Publication number 20230365430
- Publication date Nov 16, 2023
- DALIAN UNIVERSITY OF TECHNOLOGY
- Yongchen SONG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR CIRCULARLY PURIFYING METALLURGICAL ARSENIC-CONTAINING AC...
- Publication number 20230331612
- Publication date Oct 19, 2023
- NORTHEASTERN UNIVERSITY
- Hongying YANG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
DEVICE FOR EFFICIENTLY RECYCLING NICKEL IN WASTEWATER AND METHOD
- Publication number 20230322583
- Publication date Oct 12, 2023
- Chongqing University of Arts and Sciences
- Wei GUAN
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHOD FOR TREATING WASTEWATER FOR THE RECOVERY OF METALS CONTAINED...
- Publication number 20220371916
- Publication date Nov 24, 2022
- CIRCULAR MATERIALS S.R.L.
- Marco BERSANI
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
DEWATERING AIDS
- Publication number 20220249992
- Publication date Aug 11, 2022
- KEMIRA OYJ
- Mehrdad HESAMPOUR
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

from metallurgical processes, i.e. from the production, refining or treatment of metals

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for treating an industrial effluent charged with aluminium u...

Systems and methods for shielded inductive devices

Sorbent compositions for the removal of boron from aqueous mediums

Method for treating electroplating wastewater

Methods of treating water with powder activated carbon to reduce or...

Method for preparing nanofiltration membrane and nanofiltration mem...

Treatment process for recycling silicon ingot cutting waste

System and method to sustainable integrated wastewater treatment an...

Red mud utilization method based on co-processing of industrial exh...

Device for treating uranium tailings with microorganism

Electrosorptive cavitation devices and methods for phase separation

Device for efficiently recycling nickel in wastewater and method

Method and apparatus for removing ammonia nitrogen from electrolyti...

Wastewater treatment method and apparatus based on hydrate-based wa...

Fusion proteins, recombinant bacteria, and methods for using recomb...

Lanthanide-doped layered double hydroxides and method of producing...

Method for separating mill scale from wastewater

Systems and methods for shielded inductive devices

Method for treating an effluent supersaturated with calcium carbona...

Method for treatment of mixed electroplating wasterwater without cy...

Ferro-cavitation processes for target metal separation

Systems and methods for treating acidity, heavy metals, and solids...

Method and system for the treatment of cyanide-containing fluids

Methods and systems for zero liquid discharge recycling of waste ge...

Method for reducing formation of CaSO4 and Fe2O3 containing deposit...

Method of rapid treatment of heavy metal sludge and preparation of...

Method for treating industrial waste

Method of treating wastewater

Method of treating wastewater

Method for processing metallurgical waste acid

Patents Applicationslast 30 patents

WASTEWATER TREATMENT PROCESS IN PRODUCTION OF NICKEL COBALT HYDROXIDE

LITHIUM RECOVERY SYSTEM FOR BLACK MASS

A PROCESS FOR CONVERSION OF AQUEOUS HYDROGEN SULFIDE TO SULFURIC ACID

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

COMPOSITION AND METHOD FOR TREATING AND PURIFYING WATER BY MEANS OF...

DOUBLE EFFECT ABSORPTION COOLING FOR INDUSTRIAL APPLICATIONS

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

ELECTRODIALYSIS PROCESS FOR HIGH ION REJECTION IN THE PRESENCE OF B...

DEVICE AND METHOD FOR PREPARING COOLING WATER ON DEMAND

TREATING COOLING WATER IN IRON PRODUCTION FACILITIES, AND ASSOCIATE...

REGENERABLE SMART MATERIALS FOR SELECTIVE REMOVAL OF POLLUTANTS FRO...

SYSTEM AND METHOD FOR INTEGRATED WATER TREATMENT AND COOLING IN THE...

DEVICE FOR TREATING URANIUM TAILINGS WITH MICROORGANISM

ACIDIC WASTEWATER PH NEUTRALIZATION WITH MICRONIZED CALCIUM CARBONATE

Environmental-friendly Process for the Treatment of Wastewater

ARRANGEMENT AND METHOD FOR AIR-INDUCED EVAPORATION AND COOLING

SYSTEM AND METHOD TO SUSTAINABLE INTEGRATED WASTEWATER TREATMENT AN...

PROCESS OF REMOVING ALUMINUM WASTE IN WASTEWATER

SELECTIVE PRECIPITATION OF SOLUTES FROM AQUEOUS SOLUTIONS AND RELAT...

ELECTROCHEMICAL MEMBRANE APPARATUS INCLUDING AN ELECTROCHEMICAL MEM...

FUSION PROTEINS, RECOMBINANT BACTERIA, AND METHODS FOR USING RECOMB...

PLANT AND PROCESS FOR REMOVING SUSPENDED SOLIDS, OILS AND GREASES F...

METHODS OF TREATING WATER WITH POWDER ACTIVATED CARBON TO REDUCE OR...

CONTINUOUS CASTING SPRAY WATER PERFORMANCE MONITORING AND WATER CON...

SYSTEMS AND METHODS FOR SHIELDED INDUCTIVE DEVICES

WASTEWATER TREATMENT METHOD AND APPARATUS BASED ON HYDRATE-BASED WA...

METHOD FOR CIRCULARLY PURIFYING METALLURGICAL ARSENIC-CONTAINING AC...

DEVICE FOR EFFICIENTLY RECYCLING NICKEL IN WASTEWATER AND METHOD

METHOD FOR TREATING WASTEWATER FOR THE RECOVERY OF METALS CONTAINED...

DEWATERING AIDS