ClassID:

86257

C02F1/4678 - CPC Classification

Classification description:

Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection by electroreduction of metals

Recent Application in this class:
#1
20260001789
2026-01-01

ELECTROCHEMICAL DEVICE AND METHOD FOR SIMULTANEOUS DETECTION AND RECOVERY OF METALS IONS FROM WASTEWATER

#2
20250333336
2025-10-30

ELECTROCHEMICAL DEVICE AND METHOD FOR SIMULTANEOUS DETECTION AND RECOVERY OF METALS IONS FROM WASTEWATER

#3
20250320139
2025-10-16

TREATMENT OF AQUEOUS MATRICES USING ELECTROLYSIS

#4
20250059061
2025-02-20

MINERALIZED IRON-CARBON COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#5
20240425391
2024-12-26

REMOVAL OF CONTAMINANTS USING PHOTOELECTROCATALYSIS

#6
20240343618
2024-10-17

Treatment of aqueous matrices using electrolysis to produce soluble tin metal

#7
20240262719
2024-08-08

CONCENTRIC ELECTROCHEMICAL DEVICE

#8
20230391641
2023-12-07

METHOD FOR REMOVING A CONTAMINANT FROM WASTEWATER FROM AN INDUSTRIAL PLANT AND A SYSTEM FOR PERFORMING SUCH METHOD

#9
20230381842
2023-11-30

METHOD AND KIT FOR REMEDIATION OF ENVIRONMENTS CONTAMINATED WITH HALOGENATED ORGANIC COMPOUNDS

#10
20220411292
2022-12-29

Treatment of aqueous matrices using electrolysis to produce soluble tin metal

#11
20220371924
2022-11-24

Carbon-nanotube/nano-adsorption-material-based electrode and electrochemical valuable-metal recovery device using same

#12
20220281762
2022-09-08

Rapid reduction of aqueous selenate with chromous ions

#13
20220185708
2022-06-16

A PROCESS AND APPARATUS FOR ACID MINE DRAINAGE TREATMENT

#14
20220119283
2022-04-21

TARGET SPECIES RECOVERY AND RELATED SYSTEMS AND METHODS

#15
20220024787
2022-01-27

METHOD AND APPARATUS FOR COPPER-CATALYZED ELECTROCHEMICAL WATER TREATMENT

#16
20210323847
2021-10-21

Online resourceful treatment method of electroless copper plating waste solution

#17
20210292196
2021-09-23

REMOVAL OF METAL IONS FROM AQUEOUS SOLUTION VIA LIQUID/LIQUID EXTRACTION AND ELECTROCHEMISTRY

#18
20210284553
2021-09-16

METHOD FOR SELECTIVE ABSORPTION OF LEAD IONS FROM HEAVY METAL WASTEWATER BY ELECTRIC FIELD ENHANCEMENT

#19
20210276889
2021-09-09

Method for removing a contaminant from wastewater from an industrial plant and a system for performing such method

#20
20210253452
2021-08-19

ELECTROCHEMICAL FLOW REACTOR

#21
20210221716
2021-07-22

Rapid reduction of aqueous selenate with chromous ions

#22
20210206668
2021-07-08

ELECTROCHEMICAL CELL ARRANGEMENT AND METHOD FOR SEPARATING IMPURITIES

#23
20210179457
2021-06-17

Systems and methods for the removal of minerals from conductive protonic fluids

#24
20210170360
2021-06-10

CONDUCTIVE POLYMER GRAFTED REUSABLE 3D PLATFORM FOR WATER RESTORATION

#25
20200378018
2020-12-03

CARBON DOTS-BASED PHOTOCATALYTIC ELECTRODE FOR SIMULTANEOUS ORGANIC MATTER DEGRADATION AND HEAVY METAL REDUCTION AND USE THEREOF

#26
20200339445
2020-10-29

Method for purification of an aqueous solution

#27
20200207645
2020-07-02

Treatment of aqueous matrices using electrolysis to produce soluble tin metal

#28
20200009611
2020-01-09

Task specific ionic liquid-impregnated polymeric surface coatings for antibacterial, antifouling, and metal scavenging activity

#29
20190047883
2019-02-14

Treatment of Dissolved Selenium

#30
20180187327
2018-07-05

Method for treating waste liquid from process of etching indium tin oxide

#31
20180115005
2018-04-26

Method for removing pentavalent antimony contaminants in water and fuel cell

#32
20180072594
2018-03-15

Device for electrocoagulation and process

#33
20180065869
2018-03-08

Water treatment system

#34
20170362092
2017-12-21

Filtration system for pet water fountain

#35
20160289092
2016-10-06

Removal of dissolved selenium from aqueous solutions

#36
20160257585
2016-09-08

Method for treating soil-contaminating water using photocatalytic material

#37
20160152648
2016-06-02

Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof

#38
20150321930
2015-11-12

SYSTEMS AND METHODS FOR TREATING HEAVY METAL WASTEWATER

#39
20150191372
2015-07-09

Method and plant for the reduction of the concentration of pollutants and/or valuable elements in the water

#40
20150158745
2015-06-11

Method and apparatus for processing fluids

#41
20150151985
2015-06-04

Electrochemical reactor system for treatment of water

#42
20150065339
2015-03-05

Metal oxide-organic hybrid materials for heterogeneous catalysis and methods of making and using thereof

#43
20140158549
2014-06-12

METHOD AND APPARATUS FOR PROCESSING FLUIDS

#44
20140083845
2014-03-27

Apparatus for generating fine bubbles having a positive charge and water treatment apparatus using same

#45
20120305494
2012-12-06

Electrolytic method of generating chloride dioxide with improved theoretical yield

#46
20120305489
2012-12-06

Method and apparatus for treating selenium-containing water

#47
20120138530
2012-06-07

METHOD AND APPARATUS FOR REMOVING ARSENIC FROM A SOLUTION

#48
20120138529
2012-06-07

METHOD AND APPARATUS FOR RECOVERING A METAL AND SEPARATING ARSENIC FROM AN ARSENIC CONTAINING SOLUTION

#49
20120138528
2012-06-07

METHOD AND APPARATUS FOR REMOVING ARSENIC FROM AN ARSENIC BEARING MATERIAL

#50
20120073985
2012-03-29

METHOD FOR TREATING SLUDGE

#51
20120024719
2012-02-02

Removal of metals from water

#52
20110303605
2011-12-15

Electrobiochemical Reactor

#53
20110198276
2011-08-18

System for removal of contaminants from industrial streams

#54
20110162976
2011-07-07

Recovery of nickel from industrial pickling acid solutions

#55
20110100837
2011-05-05

METHOD AND APPARATUS FOR PROCESSING FLUIDS

#56
20100252442
2010-10-07

Method and device for selective cation extraction by electrochemical transfer in solution and applications of said method

#57
20100224506
2010-09-09

PROCESS AND APPARATUS FOR COMPLEX TREATMENT OF LIQUIDS

#58
20100224497
2010-09-09

DEVICE AND METHOD FOR THE EXTRACTION OF METALS FROM LIQUIDS

#59
20090294381
2009-12-03

METHODS FOR CONTROLLING PH IN WATER SANITIZED BY CHEMICAL OR ELECTROLYTIC CHLORINATION

#60
20090145774
2009-06-11

Sonoelectrolysis for metal removal

#61
20090065441
2009-03-12

Heavy metal collection system

#62
20080308413
2008-12-18

Electrochemical Deposition of Compounds in a Continuous Flow of Liquid

#63
20080223730
2008-09-18

ELECTROCHEMICAL TREATMENT OF SOLUTIONS CONTAINING HEXAVALENT CHROMIUM

#64
20080210635
2008-09-04

Process for removal of contaminants from industrial streams

#65
20070227905
2007-10-04

Electrolytic Deposition Treatment Apparatus and Method

#66
20070158176
2007-07-12

Method and apparatus for processing fluids

#67
20070108134
2007-05-17

Method for chemically treating a liquid medium loaded with nitrates, device for treating a liquid medium of this type and applications

#68
20070012631
2007-01-18

Methods for controlling pH in water sanitized by chemical or electrolytic chlorination

#69
20060243604
2006-11-02

Method and apparatus for treating waste water

#70
20060219574
2006-10-05

Integrated electrolytic-electrodialytic apparatus and process for recovering metals from metal ion-containing waste streams

#71
20050183947
2005-08-25

Electrolytic cell for removal of material from a solution

#72
20050098429
2005-05-12

Apparatus for stimulating removal of electrolytic energy from fluids

#73
20050077250
2005-04-14

Methods for recovering metals

#74
18647446
2025-10-28

Electrochemical device and method for simultaneous detection and recovery of metals ions from wastewater