ClassID:

30761

B01D2311/2684 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control; Further operations combined with membrane separation processes Electrochemical processes

Recent Application in this class:
#1
20250230074
2025-07-17

CHEMICAL FREE EXTRACTION OF LITHIUM FROM BRINE

#2
20250222397
2025-07-10

Nitrogen-oxygen separation device

#3
20250058282
2025-02-20

WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PURIFICATION APPARATUS

#4
20240189777
2024-06-13

WATER PURIFICATION APPARATUS AND METHODS FOR CLEANING THE WATER PURIFICATION APPARATUS

#5
20240132389
2024-04-25

Treatment of saline water for agricultural and potable use

#6
20240124340
2024-04-18

DECOMPOSITION OF GAS FIELD CHEMICALS

#7
20240092666
2024-03-21

METHOD AND SYSTEM FOR WASTEWATER TREATMENT BY MEMBRANE FILTRATION AND ELECTROCHEMICAL OXIDATION

#8
20240009629
2024-01-11

Water purification apparatus and methods for cleaning the water purification apparatus

#9
20230416874
2023-12-28

Processes for preparing lithium carbonate

#10
20230405532
2023-12-21

Method of removing protein-bound substances by electrically conductive polymer

#11
20230405520
2023-12-21

CO2 CAPTURE AND CONVERSION USING A NOVEL MEMBRANE SYSTEM

#12
20230391650
2023-12-07

Apparatus system and method to extract minerals and metals from water

#13
20230201772
2023-06-29

SEPARATION DEVICE AND SYSTEM FOR SEPARATING IMPURITY IONS FROM AQUEOUS HYPOCHLOROUS ACID SOLUTION

#14
20230158459
2023-05-25

HYDROGEN PERMEABLE MEMBRANES, REACTORS AND RELATED METHODS

#15
20230075109
2023-03-09

FLOW CONTROL FOR REVERSE OSMOSIS FILTER

#16
20230067397
2023-03-02

Direct Production Of Lithium Hydroxide From Brine By Electrochemical Flow Cells

#17
20220410068
2022-12-29

WATER PURIFICATION APPARATUS, SYSTEM AND METHOD FOR CONTROLLNG AT LEAST ONE FLUID PROPERTY

#18
20220348487
2022-11-03

Methods and systems for zero liquid discharge recycling of waste generated from manufacturing operations

#19
20220332607
2022-10-20

Down-hole selective ion removal water ionizer system for subsurface applications

#20
20220315469
2022-10-06

Cross current staged reverse osmosis

#21
20220242757
2022-08-04

APPARATUS FOR PRODUCING ACIDIC AQUEOUS SOLUTION AND METHOD FOR PRODUCING ACIDIC AQUEOUS SOLUTION

#22
20220227649
2022-07-21

ELECTROHYDROMODULATING PROCESS FOR RECOVERING NUTRIENTS, MINERALIZING ORGANICS, AND INACTIVATING PATHOGENS IN WASTEWATER

#23
20220204377
2022-06-30

METHOD FOR RECOVERING WATER AND CHEMICALS FROM PLANTS FOR TREATING EFFLUENTS FROM PULP AND PAPER FACTORIES

#24
20220145006
2022-05-12

PROCESS FOR CONDITIONING AND REUSING SALT-CONTAINING PROCESS WATER

#25
20210363033
2021-11-25

Capacitive deionization desalination device

#26
20210363032
2021-11-25

Sour water treatment

#27
20210339199
2021-11-04

ACIDIC TREATMENT LIQUID PROCESSING APPARATUS, ACIDIC TREATMENT LIQUID PROCESSING METHOD, SURFACE TREATMENT SYSTEM, AND SURFACE TREATMENT METHOD

#28
20210309551
2021-10-07

Apparatus system and method to extract minerals and metals from water

#29
20210214246
2021-07-15

Processes and systems for treating sour water to remove sulfide compounds

#30
20210198122
2021-07-01

Device for decomplexation and enhanced removal of copper based on self-induced fenton-like reaction constructed by electrochemistry coupled with membrane separation, and use thereof

#31
20210187442
2021-06-24

RATCHET-BASED ION PUMPING MEMBRANE SYSTEMS

#32
20210171382
2021-06-10

SWRO and MCDI coupled seawater desalination device system with energy recovery

#33
20210158986
2021-05-27

Continuous separation of radionuclides by shock electrodialysis

#34
20210086144
2021-03-25

METHOD OF PRODUCING ELECTRICALLY CONDUCTIVE POLYMERS AND REMOVING PROTEIN-BOUND SUBSTANCES

#35
20210047217
2021-02-18

Regulation of process stream composition for improved electrolyzer performance

#36
20210009446
2021-01-14

Electrochemical membrane module for selectively removing pollutants and preparation method thereof

#37
20200385299
2020-12-10

Treatment of saline water for agricultural and potable use

#38
20200261852
2020-08-20

Metal coated polymembrane

#39
20200232105
2020-07-23

INTEGRATED SYSTEM FOR LITHIUM EXTRACTION AND CONVERSION

#40
20200129927
2020-04-30

Water purification apparatus and methods for cleaning the water purification apparatus

#41
20200122087
2020-04-23

Water purification apparatus and a method for controlling at least one fluid property in a water purification apparatus

#42
20200095150
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#43
20200095149
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#44
20190359512
2019-11-28

System for removing minerals from a brine

#45
20190345582
2019-11-14

Processes for preparing lithium carbonate

#46
20190345044
2019-11-14

DC-POWERED ELECTROCHEMICALLY REACTIVE MEMBRANE

#47
20190300410
2019-10-03

Apparatus system and method to extract minerals and metals from water

#48
20190270653
2019-09-05

ULTRAPURE WATER PRODUCTION METHOD AND ULTRAPURE WATER PRODUCTION SYSTEM

#49
20190256987
2019-08-22

Integrated system for lithium extraction and conversion

#50
20190226463
2019-07-25

Osmotic power generator

#51
20190119136
2019-04-25

Ternary sewage treatment method integrating microbial fuel cells with anaerobic acidification and forward osmosis membrane

#52
20180370831
2018-12-27

Water treatment device

#53
20180170775
2018-06-21

Process and system for removing ammonium from wastewater

#54
20180128250
2018-05-10

Combined electrical and thermal renewable/conventional energy storage and on-demand hydro-osmotic power generation methods and systems

#55
20180093030
2018-04-05

Dialysate free artificial kidney device

#56
20180071682
2018-03-15

Subsea installation and method for treatment of seawater

#57
20170349467
2017-12-07

Cross current staged reverse osmosis

#58
20170349466
2017-12-07

Cross current staged reverse osmosis

#59
20170349465
2017-12-07

Cross current staged reverse osmosis

#60
20170158538
2017-06-08

Systems and methods for treating oilfield wastewater

#61
20170146507
2017-05-25

Method for detecting albumin based on colorimetric assay and system thereof

#62
20170088445
2017-03-30

Apparatus and process for separation and selective recomposition of ions

#63
20170029293
2017-02-02

Systems and methods for water filtration

#64
20170028351
2017-02-02

SYSTEMS AND METHODS FOR WATER FILTRATION

#65
20170028350
2017-02-02

SYSTEMS AND METHODS FOR WATER FILTRATION

#66
20170007964
2017-01-12

Metal coated polymembrane and method of electrofiltration and electrosorption using a metal coated polymembrane

#67
20160265085
2016-09-15

Processes and systems for preparing lithium carbonate

#68
20160258071
2016-09-08

Processes and systems for preparing lithium hydroxide

#69
20160251239
2016-09-01

Method and apparatus for processing radioactive wastewater

#70
20160250404
2016-09-01

Redox controlled electrosorption and decomposition device for the purification of blood and other fluids

#71
20160229718
2016-08-11

Apparatus and process for separation and selective recomposition of ions

#72
20150335808
2015-11-26

Total chlorine water detection system for medical fluid treatments

#73
20140202862
2014-07-24

Apparatus and process for separation and selective recomposition of ions

#74
20140202861
2014-07-24

Apparatus and process for separation and selective recomposition of ions

#75
20120298569
2012-11-29

Reverse osmosis system

#76
20120247973
2012-10-04

WASTEWATER AMMONIUM EXTRACTION AND ELECTROLYTIC CONVERSION TO NITROGEN GAS

#77
20120097541
2012-04-26

Apparatus and process for separation and selective recomposition of ions

#78
20110198236
2011-08-18

Apparatus and method for producing hydrogen-dissolved drinking water

#79
20100108274
2010-05-06

DISPOSAL PROCESS FOR SULFIDE-FREE BLACK LIQUORS

#80
20080277289
2008-11-13

WASTEWATER AMMONIUM EXTRACTION AND ELECTROLYTIC CONVERSION TO NITROGEN GAS

#81
20080169202
2008-07-17

Process to prepare chlorine-containing compounds

#82
20080156710
2008-07-03

Pure water producing apparatus

#83
20060138050
2006-06-29

Method and apparatus for metal removal by ion exchange

#84
17245333
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling

#85
17245276
2021-12-21

Zero liquid discharge recycling system for PCB FAB, general metal finishing, and chemical milling