using calcium compounds

Industry

CPC
C02F5/06

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CCHEMISTRY METALLURGY C02Water treatment C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE C02F5/00Softening water Preventing scale Adding scale preventatives or scale removers to water

Current Industry

C02F5/06using calcium compounds

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for desalination of liquids
- Patent number 12,134,571
- Issue date Nov 5, 2024
- ACQUOLINA IL MONDO, LLC
- Garry Bush
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method and apparatus for treating natural gas and oil well waste wa...
- Patent number 12,110,245
- Issue date Oct 8, 2024
- Eau Midstream, Inc.
- Francis C. Miller
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Systems and methods for desalination of liquids
- Patent number 11,926,539
- Issue date Mar 12, 2024
- ACQUOLINA IL MONDO LLC
- Garry Bush
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods of treating metal carbonate salts
- Patent number 11,918,970
- Issue date Mar 5, 2024
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for treating frac flowback and produced water including nat...
- Patent number 11,834,358
- Issue date Dec 5, 2023
- Veolia Water Solutions & Technologies Support
- Kashi Banerjee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for treating reverse-osmosis concentrated water w...
- Patent number 11,772,999
- Issue date Oct 3, 2023
- Greentech Environment Co., Ltd.
- Mu Liu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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
Methods of treating metal carbonate salts
- Patent number 11,717,802
- Issue date Aug 8, 2023
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods of treating metal carbonate salts
- Patent number 11,633,712
- Issue date Apr 25, 2023
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods of treating metal carbonate salts
- Patent number 11,554,357
- Issue date Jan 17, 2023
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems for treating wastewater via forward osmosis
- Patent number 11,040,904
- Issue date Jun 22, 2021
- FLUID TECHNOLOGY SOLUTIONS (FTS), INC.
- John Herron
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Coagulant blend in SAGD water treatment
- Patent number 11,034,597
- Issue date Jun 15, 2021
- ConocoPhillips Company
- Lee D. Osness
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
SAGD saline water system optimization
- Patent number 11,034,604
- Issue date Jun 15, 2021
- ConocoPhillips Company
- Murugavel Kannan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for reduction of sulfide from water and wastewater
- Patent number 11,008,240
- Issue date May 18, 2021
- Veolia Water Solutions & Technologies Support
- Kashi Banerjee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and compositions for clarifying produced waters for boiler...
- Patent number 10,934,189
- Issue date Mar 2, 2021
- Ecolab USA Inc.
- Jason R. Burney
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems for treating high temperature produced water
- Patent number 10,906,001
- Issue date Feb 2, 2021
- Chevron U.S.A. Inc.
- Cheng Chen
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for removing silica from produced water and other wastewate...
- Patent number 10,843,946
- Issue date Nov 24, 2020
- Veolia Water Solutions & Technologies Support
- LNSP Nagghappan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Hardness reduction filter
- Patent number 10,836,664
- Issue date Nov 17, 2020
- LG Electronics Inc.
- Sejoong Kim
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rheology-modifying agents for slurries
- Patent number 10,822,442
- Issue date Nov 3, 2020
- Ecolab USA Inc.
- J. Matthew Chudomel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Water softening treatment using in-situ ballasted flocculation system
- Patent number 10,759,685
- Issue date Sep 1, 2020
- Veolia Water Solutions & Technologies Support
- Charles D. Blumenschein
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for evaporative concentration of water to be treated, whi...
- Patent number 10,730,776
- Issue date Aug 4, 2020
- Doosan Heavy Industries Construction Co., Ltd.
- Sangmoon Kim
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of recovering oil or gas and treating the resulting produced...
- Patent number 10,723,643
- Issue date Jul 28, 2020
- Veolia Water Solutions & Technologies Support
- LNSP Nagghappan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Corrosion inhibition in hydrothermal processing
- Patent number 10,688,464
- Issue date Jun 23, 2020
- General Atomics
- Glenn Thomas Hong
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Concentrating aqueous solutions via hybridizing electrodialysis and...
- Patent number 10,626,037
- Issue date Apr 21, 2020
- Massachusetts Institute of Technology
- John H. Lienhard
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for evaporative concentration of water to be treated, whi...
- Patent number 10,294,137
- Issue date May 21, 2019
- Doosan Heavy Industries Construction Co., Ltd.
- Sangmoon Kim
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Recovery of phosphorous
- Patent number 10,294,167
- Issue date May 21, 2019
- CDEM B.V.
- Nicolaas Voogt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Methods and systems for treating produced water
- Patent number 10,287,201
- Issue date May 14, 2019
- Chevron U.S.A. Inc.
- Sandra Heimel
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Treatment of saline streams
- Patent number 10,280,103
- Issue date May 7, 2019
- Mansour S. Bader
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Effective de-scaling for desalination plants and a new brine-forwar...
- Patent number 10,259,734
- Issue date Apr 16, 2019
- Mansour S. Bader
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of recovering oil or gas and treating the resulting produced...
- Patent number 10,023,487
- Issue date Jul 17, 2018
- Veolia Water Solutions & Technologies Support
- LNSP Nagghappan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
Methods and Systems for Recycling Materials During PFAS Destruction
- Publication number 20250019266
- Publication date Jan 16, 2025
- Claros Technologies Inc.
- Zekun Liu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PR...
- Publication number 20240293793
- Publication date Sep 5, 2024
- Rheinkalk GmbH
- Uwe Fischer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS
- Publication number 20240208842
- Publication date Jun 27, 2024
- ACQUOLINA IL MONDO, LLC
- Garry Bush
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS
- Publication number 20240208843
- Publication date Jun 27, 2024
- ACQUOLINA IL MONDO, LLC
- Garry Bush
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process for Removing Hardness and Total Organic Carbon from Drinkin...
- Publication number 20240199454
- Publication date Jun 20, 2024
- VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
- Thomas Perry
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEM AND METHOD FOR TREATING REVERSE-OSMOSIS CONCENTRATED WATER W...
- Publication number 20230234870
- Publication date Jul 27, 2023
- Greentech Environment Co., Ltd.
- Mu LIU
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS OF TREATING METAL CARBONATE SALTS
- Publication number 20230219057
- Publication date Jul 13, 2023
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SILICA REDUCER COMPOSITIONS AND METHODS FOR TREATMENT OF PRODUCED W...
- Publication number 20220363576
- Publication date Nov 17, 2022
- BAYMAG INC.
- Neil BEREZOWSKI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHODS OF TREATING METAL CARBONATE SALTS
- Publication number 20220288556
- Publication date Sep 15, 2022
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS OF TREATING METAL CARBONATE SALTS
- Publication number 20220288557
- Publication date Sep 15, 2022
- Energy & Environmental Research Center Foundation
- Christopher Lee Martin
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS OF REDUCING CALCITE FORMATION AND SOLUBILIZED METALS FROM A...
- Publication number 20220055931
- Publication date Feb 24, 2022
- Heritage Research Group, LLC
- Ralph E. Roper
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
TREATMENT SYSTEM AND TREATMENT PROCESS FOR REMOVING HARDNESS, SILIC...
- Publication number 20210261447
- Publication date Aug 26, 2021
- KEYSINO SEPARATION TECHNOLOGY INC.
- Chengci Zhang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR TREATING FRAC FLOWBACK AND PRODUCED WATER INCLUDING NAT...
- Publication number 20210163327
- Publication date Jun 3, 2021
- VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
- Kashi Banerjee
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
ION REMOVAL SYSTEM
- Publication number 20210024393
- Publication date Jan 28, 2021
- Panasonic Intellectual Property Management Co., Ltd.
- Yasunari MAEDA
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PR...
- Publication number 20190351387
- Publication date Nov 21, 2019
- Rheinkalk GmbH
- Uwe Fischer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
APPARATUS FOR EVAPORATIVE CONCENTRATION OF WATER TO BE TREATED, WHI...
- Publication number 20190292083
- Publication date Sep 26, 2019
- Doosan Heavy Industries & Construction Co., Ltd.
- Sangmoon KIM
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
PROCESS FOR REMOVING SILICA FROM PRODUCED WATER AND OTHER WASTEWATE...
- Publication number 20190256388
- Publication date Aug 22, 2019
- VEOLIA WATER SOLUTIONS & TECHNOLOGIES SUPPORT
- LNSP Nagghappan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS FOR TREATING PRODUCED WATER TO REMOVE BORON AND AMMONIA
- Publication number 20190169057
- Publication date Jun 6, 2019
- Chevron U.S.A. Inc.
- Sandra HEIMEL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR TREATING AN EFFLUENT SUPERSATURATED WITH CALCIUM CARBONA...
- Publication number 20190023595
- Publication date Jan 24, 2019
- Veolia Water Solutions & Technologies Support
- Didier GRANGE
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
RHEOLOGY-MODIFYING AGENTS FOR SLURRIES
- Publication number 20190016837
- Publication date Jan 17, 2019
- ECOLAB USA INC.
- J. Matthew Chudomel
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS INCLUDING A CARBONATION STEP
- Publication number 20180363073
- Publication date Dec 20, 2018
- T&L SUGARS LIMITED
- John Kerr
- C13 - SUGAR INDUSTRY
Information Patent Application
HARDNESS REDUCTION FILTER
- Publication number 20180362377
- Publication date Dec 20, 2018
- LG Electronics Inc.
- Sejoong Kim
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SCALE INHIBITION COMPOSITION
- Publication number 20180319687
- Publication date Nov 8, 2018
- Dyson Technology Limited
- Nathan Charles BROWN
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHOD FOR PRODUCING A FLOOR COVERING (INCLUDING CARPET AND CARPET...
- Publication number 20180230646
- Publication date Aug 16, 2018
- Henricus Martinus Marie Koppers
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
WATER SOFTENING TREATMENT USING IN-SITU BALLASTED FLOCCULATION SYSTEM
- Publication number 20180194656
- Publication date Jul 12, 2018
- Veolia Water Solutions & Technologies Support
- Charles D. BLUMENSCHEIN
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHODS AND COMPOSITIONS FOR CLARIFYING PRODUCED WATERS FOR BOILER...
- Publication number 20180105442
- Publication date Apr 19, 2018
- ECOLAB USA INC.
- Jason R. Burney
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
High Quality Calcium Hydroxide Slurries
- Publication number 20180065887
- Publication date Mar 8, 2018
- Lhoist North America, Inc.
- Kevin D. Ingram
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
PRE-TREATMENT OF SUPERSATURATED WARM WATER
- Publication number 20170260075
- Publication date Sep 14, 2017
- SUEZ INTERNATIONAL
- Loic DANIEL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SYSTEMS AND METHODS FOR GEOTHERMAL ENERGY HARNESSING FROM WELLS FOR...
- Publication number 20160362309
- Publication date Dec 15, 2016
- UNIVERSITY OF HOUSTON SYSTEM
- Amin Kiahghadi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A method for treating sulphate-containing waters
- Publication number 20160340215
- Publication date Nov 24, 2016
- Artto Aurola
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

using calcium compounds

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Systems and methods for desalination of liquids

Method and apparatus for treating natural gas and oil well waste wa...

Systems and methods for desalination of liquids

Methods of treating metal carbonate salts

Process for treating frac flowback and produced water including nat...

System and method for treating reverse-osmosis concentrated water w...

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

Methods of treating metal carbonate salts

Methods of treating metal carbonate salts

Methods of treating metal carbonate salts

Methods and systems for treating wastewater via forward osmosis

Coagulant blend in SAGD water treatment

SAGD saline water system optimization

Process for reduction of sulfide from water and wastewater

Methods and compositions for clarifying produced waters for boiler...

Methods and systems for treating high temperature produced water

Process for removing silica from produced water and other wastewate...

Hardness reduction filter

Rheology-modifying agents for slurries

Water softening treatment using in-situ ballasted flocculation system

Apparatus for evaporative concentration of water to be treated, whi...

Method of recovering oil or gas and treating the resulting produced...

Corrosion inhibition in hydrothermal processing

Concentrating aqueous solutions via hybridizing electrodialysis and...

Apparatus for evaporative concentration of water to be treated, whi...

Recovery of phosphorous

Methods and systems for treating produced water

Treatment of saline streams

Effective de-scaling for desalination plants and a new brine-forwar...

Method of recovering oil or gas and treating the resulting produced...

Patents Applicationslast 30 patents

Methods and Systems for Recycling Materials During PFAS Destruction

MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PR...

SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS

SYSTEMS AND METHODS FOR DESALINATION OF LIQUIDS

Process for Removing Hardness and Total Organic Carbon from Drinkin...

SYSTEM AND METHOD FOR TREATING REVERSE-OSMOSIS CONCENTRATED WATER W...

METHODS OF TREATING METAL CARBONATE SALTS

SILICA REDUCER COMPOSITIONS AND METHODS FOR TREATMENT OF PRODUCED W...

METHODS OF TREATING METAL CARBONATE SALTS

METHODS OF TREATING METAL CARBONATE SALTS

METHODS OF REDUCING CALCITE FORMATION AND SOLUBILIZED METALS FROM A...

TREATMENT SYSTEM AND TREATMENT PROCESS FOR REMOVING HARDNESS, SILIC...

PROCESS FOR TREATING FRAC FLOWBACK AND PRODUCED WATER INCLUDING NAT...

ION REMOVAL SYSTEM

MATERIAL FOR NEUTRALISING AND/OR HARDENING LIQUIDS, A METHOD FOR PR...

APPARATUS FOR EVAPORATIVE CONCENTRATION OF WATER TO BE TREATED, WHI...

PROCESS FOR REMOVING SILICA FROM PRODUCED WATER AND OTHER WASTEWATE...

METHODS FOR TREATING PRODUCED WATER TO REMOVE BORON AND AMMONIA

METHOD FOR TREATING AN EFFLUENT SUPERSATURATED WITH CALCIUM CARBONA...

RHEOLOGY-MODIFYING AGENTS FOR SLURRIES

PROCESS INCLUDING A CARBONATION STEP

HARDNESS REDUCTION FILTER

SCALE INHIBITION COMPOSITION

METHOD FOR PRODUCING A FLOOR COVERING (INCLUDING CARPET AND CARPET...

WATER SOFTENING TREATMENT USING IN-SITU BALLASTED FLOCCULATION SYSTEM

METHODS AND COMPOSITIONS FOR CLARIFYING PRODUCED WATERS FOR BOILER...

High Quality Calcium Hydroxide Slurries

PRE-TREATMENT OF SUPERSATURATED WARM WATER

SYSTEMS AND METHODS FOR GEOTHERMAL ENERGY HARNESSING FROM WELLS FOR...

A method for treating sulphate-containing waters