ClassID:

86667

C02F2305/026 - CPC Classification

Classification description:

Use of specific compounds during water treatment; Specific form of oxidant Fenton's reagent

Recent Application in this class:
#1
20260070822
2026-03-12

PLASMA PLATFORM FOR RAPID DEGRADATION OF TOXIC ORGANIC COMPOUNDS INCLUDING PER- AND POLYFLUORINATED COMPOUNDS

#2
20250276920
2025-09-04

HYDROGEN PEROXIDE GENERATION SYSTEM

#3
20250276919
2025-09-04

DROPLET FLOW-ASSISTED ELECTRO-FENTON REACTOR SYSTEM

#4
20250276918
2025-09-04

ELECTROCHEMICAL REACTOR CELL

#5
20250206644
2025-06-26

METHOD FOR NITROGEN REMOVAL WASTEWATER

#6
20250197259
2025-06-19

CATALYST FOR DECOMPOSING NON-DEGRADABLE POLLUTANTS AND NON-DEGRADABLE POLLUTANT DECOMPOSITION SYSTEM INCLUDING THE CATALYST

#7
20250136481
2025-05-01

ANODE AND CATHODE SYNERGISTIC ELECTROCATALYTIC SYSTEM FOR WASTEWATER TREATMENT AND APPLICATION

#8
20250002381
2025-01-02

PREPARATION METHOD AND USE OF NOVEL COPPER-METAL ORGANIC FRAMEWORK (CU-MOF)-DERIVED MAGNETIC Fe3O4@Cu/C COMPOSITE FOR ANTIBIOTIC DEGRADATION

#9
20240383785
2024-11-21

METHOD OF WASTEWATER TREATMENT

#10
20240368006
2024-11-07

APPARATUS, SYSTEMS, AND METHODS FOR TREATING PER- AND POLYFLUOROALKYL CONTAMINATED FLUIDS

#11
20240351928
2024-10-24

SYSTEMS AND METHOD OF BIODEGRADATION OF RECALCITRANT COMPOUNDS USING FUNGAL REACTORS

#12
20240217856
2024-07-04

METHOD FOR PREPARING SLUDGE CONDITIONER FROM WATER SUPPLY SLUDGE AND USE OF SLUDGE CONDITIONER

#13
20240166534
2024-05-23

METHOD OF USING NANOFILTRATION AND REVERSE OSMOSIS TO REMOVE CHEMICAL CONTAMINANTS

#14
20240018023
2024-01-18

ELECTROCHEMICAL CELL WITH COATED SULFONATED GRAPHITE CATHODE

#15
20240010529
2024-01-11

COMBINED ELECTROCHEMICAL ADVANCED OXIDATION PROCESS FOR REMOVAL OF ORGANIC CONTAMINATION IN WATER

#16
20230331596
2023-10-19

Water treatment composition with catalytic material and an oxidant and method of use

#17
20230322593
2023-10-12

RESOURCE UTILIZATION-ORIENTED TREATMENT METHOD FOR SPENT ELECTROLESS NICKEL PLATING BATH

#18
20230312376
2023-10-05

HYDROGEN PEROXIDE PRODUCTION DEVICE AND USE THEREOF

#19
20230264996
2023-08-24

RESOURCE-ORIENTED UTILIZATION METHOD FOR HIGH-SALT SALT MUD CONTAINING SODIUM CHLORIDE AND SODIUM SULFATE

#20
20230242430
2023-08-03

Integrated device and method for treating toxic and refractory wastewater

#21
20230242426
2023-08-03

Method of Removing Organic Pollutants in Water by Zero-Valent Iron Enhanced Hypochlorite

#22
20230227328
2023-07-20

WATER PURIFIER FILTER AND WATER PURIFIER COMPRISING SAME

#23
20230219830
2023-07-13

Coated sulfonated graphite slab electrode

#24
20230129237
2023-04-27

WATER-PROCESSING ELECTROCHEMICAL REACTOR

#25
20230121484
2023-04-20

UNWANTED MATTER REMOVAL DEVICE, UNWANTED MATTER REMOVAL METHOD, SEPARATION DEVICE AND SEPARATION METHOD

#26
20230109082
2023-04-06

Method of using nanofiltration and reverse osmosis to remove chemical contaminants

#27
20220402790
2022-12-22

METHOD FOR TREATING WASTEWATER

#28
20220315455
2022-10-06

DEVICE AND METHOD FOR SELECTIVE OXIDATION OF MACROMOLECULAR ORGANIC POLLUTANTS USING FREE RADICALS PRODUCED IN HETEROGENEOUS FENTON REACTION

#29
20220212966
2022-07-07

Method for removing biofilm

#30
20220169541
2022-06-02

Ferro-cavitation processes for target metal separation

#31
20220119294
2022-04-21

System and method for treating contaminated water

#32
20220048801
2022-02-17

Electrocatalytic fenton oxidation-electrochemical oxidation coupling process and apparatus for efficient treatment of chemical wastewater

#33
20220041477
2022-02-10

INCREASED WASTEWATER FLOW WITH FENTON's REAGENT

#34
20210309681
2021-10-07

Preparation method and use of graphite felt (GF)-supported metal-organic framework (MOF) cathode material

#35
20210300801
2021-09-30

Catalysts for Fenton system containing metal oxide containing functional group on surface and Fenton system using the same

#36
20210276897
2021-09-09

In-house closed water filter system to remove carcinogenic 1,4-dioxane and other contaminants to purify drinking water

#37
20210268439
2021-09-02

Method of using nanofiltration and reverse osmosis to remove chemical contaminants

#38
20210245211
2021-08-12

Method for co-processing of waste incineration fly ash and chromium slag in landfill

#39
20210230030
2021-07-29

Organic wastewater treatment by a single-atom catalytic Fenton filter and electrolytically-generated HO

#40
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

#41
20210155514
2021-05-27

Robust flow-through platform for organic contaminants removal

#42
20210087082
2021-03-25

ELECTROGENERATION OF REACTIVE OXYGEN SPECIES WITHOUT EXTERNAL OXYGEN SUPPLY

#43
20210087079
2021-03-25

Ferro-cavitation processes for target metal separation

#44
20210078887
2021-03-18

Treatment process and treatment system of enhanced up-flow multiphase wastewater oxidation

#45
20210023545
2021-01-28

Fenton-like catalytic material with dual reaction centers and preparation method thereof

#46
20200398257
2020-12-24

Catalyst and a wastewater treatment method

#47
20200321630
2020-10-08

DROPLET-IMPINGEMENT, FLOW-ASSISTED ELECTRO-FENTON PURIFICATION USING HETEROGENEOUS SILICA/IRON NANOCOMPOSITE CATALYST

#48
20200290900
2020-09-17

Copper-boron-ferrite graphite silica-sol composites

#49
20200165553
2020-05-28

Apparatus and method for refractory organics conversion into biogas

#50
20200140310
2020-05-07

Method for preparing eridite rod-shaped particles for water treatment by utilizing wastewater

#51
20200024162
2020-01-23

Method and device for sewage treatment

#52
20190367396
2019-12-05

Method for deeply processing highly contaminated wastewater and wastewater processing system using

#53
20190315645
2019-10-17

Sludge composite conditioner based on iron-containing sludge pyrolysis residue as well as preparation method and use thereof

#54
20190240646
2019-08-08

MESOPOROUS MANGANESE FERRITE FENTON-LIKE CATALYST, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#55
20190210905
2019-07-11

DOSAGE OPTIMIZATION METHOD OF CHEMICAL CONDITIONER FOR DEEP DEWATERING OF SLUDGE

#56
20190194041
2019-06-27

Photoelectrochemical cell for wastewater treatment and method of fabricating the photoelectrochemical cell

#57
20190177195
2019-06-13

Method and system for preparing a fenton Fe2+/H2O2 reagent

#58
20190177187
2019-06-13

Liquid treatment device

#59
20190169051
2019-06-06

Liquid treatment device

#60
20190127247
2019-05-02

Treatment of high peroxide waste streams

#61
20190099743
2019-04-04

Catalyst Composition Including a Biochar, and Related Methods

#62
20190084858
2019-03-21

Method for treating and recycling organic wastewater and apparatus

#63
20190039929
2019-02-07

Method and system for treatment of organic contaminants by coupling Fenton reaction with membrane filtration

#64
20190031541
2019-01-31

Method for fryer stack recovery and treatment

#65
20180346359
2018-12-06

Apparatus for treating pharmaceutical waste

#66
20180339326
2018-11-29

In-situ subsurface decontamination of sodic soil, clay and ground water

#67
20180297873
2018-10-18

Rotating contactor reactor

#68
20180148350
2018-05-31

Method and system for treating brine waste water

#69
20180071800
2018-03-15

Breakdown of fuel components and solvents in groundwater and contaminated soil

#70
20170275194
2017-09-28

METHOD FOR ADVANCED TREATMENT AND REUSE OF BIOCHEMICAL EFFLUENT FROM CHEMICAL WASTEWATER

#71
20170225983
2017-08-10

Reduction of hydrogen sulfide and/or malodor gassing from water via the addition of peroxyacetic acid/hydrogen peroxide product

#72
20170106109
2017-04-20

METHODS FOR STERILIZING, DEGRADING A POLLUTANT AND PROVIDING LUMINESCENCE USING A FENTON REACTION CATALYST

#73
20170044036
2017-02-16

Fenton fluidized bed treatment apparatus and wastewater treatment method thereof

#74
20170008779
2017-01-12

Device and method for treating a liquid containing an organic pollutant

#75
20160354815
2016-12-08

In-situ subsurface decontamination of sodic soil, clay and ground water

#76
20160340211
2016-11-24

Apparatus and method for reduction in ammoniacal nitrogen from waste waters

#77
20160271591
2016-09-22

Preparation method, product, and application of iron-cobalt fenton-like catalyst

#78
20160257584
2016-09-08

SYSTEMS AND METHODS FOR TREATING NON-POINT SOURCE POLLUTANTS IN WATER RUNOFF USING SLOW-RELEASE AGENTS

#79
20160200605
2016-07-14

Process for treatment of a fluid comprising an oxidizable containment

#80
20150336825
2015-11-26

Fenton Reactor and method for sewage treatment using the same

#81
20150315045
2015-11-05

Apparatus for treating pharmaceutical waste

#82
20150283418
2015-10-08

Method for hydrothermal oxidation treatment for organic halogen compound

#83
20150197438
2015-07-16

Reduction of hydrogen sulfide and/or malodor gassing from water via the addition of peroxyacetic acid/hydrogen peroxide product

#84
20150034551
2015-02-05

Process for treating effluents from the production of an aromatic compound derived from a dihydroxylated benzene

#85
20150001164
2015-01-01

Submerged arc removal of contaminants from liquids

#86
20140251904
2014-09-11

Vortex diodes as effluent treatment devices

#87
20140230267
2014-08-21

Sludge drying composite conditioner and application method thereof

#88
20140151296
2014-06-05

Produced water treatment to remove organic compounds

#89
20140127078
2014-05-08

Method for catalyzing a fenton reaction

#90
20140031196
2014-01-30

Fenton reaction catalyst produced using reducing organic substance as raw material

#91
20130240450
2013-09-19

Method for treating highly concentrated resin-desorption liquid generated from wastewater deep purification

#92
20130023448
2013-01-24

Methods for Treating Hydrocarbon-Servicing Fluids and Wastewater and Fluids Produced Using the Same

#93
20130017270
2013-01-17

Fenton reaction catalyst using coffee grounds or tea dregs as raw material

#94
20120305497
2012-12-06

Fenton and Fenton-Like System Hardening Agent and Usage Thereof

#95
20120285891
2012-11-15

In-situ subsurface decontamination of sodic soil, clay and ground water

#96
20120241387
2012-09-27

Advanced oxidation of kinetic hydrate inhibitors

#97
20120205301
2012-08-16

Apparatus for treating fluids

#98
20120043224
2012-02-23

METHOD AND DEVICE FOR SCRUBBING EFFLUENTS

#99
20110309027
2011-12-22

METHOD FOR DEGRADING CHLORINATED-ORGANIC POLLUTANT

#100
20110297552
2011-12-08

Wastewater treatment apparatus

#101
20110220588
2011-09-15

Wastewater treatment apparatus and method

#102
20110127220
2011-06-02

Method for treating water by advanced oxidation and ballasted flocculation, and corresponding treatment plant

#103
20110064624
2011-03-17

Apparatus for target compound treatment

#104
20100270240
2010-10-28

Continuous flow water treatment devices and methods

#105
20100261255
2010-10-14

PROCESS, ADAPTED MICROBES, COMPOSITION AND APPARATUS FOR PURIFICATION OF INDUSTRIAL BRINE

#106
20100252448
2010-10-07

PROCESS FOR PRETREATMENT OF DRINKING WATER BY USING AN ION SELECTIVE MEMBRANE WITHOUT USING ANY CHEMICALS

#107
20100243571
2010-09-30

METHOD FOR ADSORPTION OF PHOSPHATE CONTAMINANTS FROM WATER SOLUTIONS AND ITS RECOVERY

#108
20100133202
2010-06-03

WASTEWATER TREATMENT BY HIGH EFFICIENCY HETEROGENEOUS PHOTO-FENTON PROCESS

#109
20090294376
2009-12-03

Method for depolluting aqueous media containing organic pollutants

#110
20090250404
2009-10-08

DECONTAMINATING FLUIDS AND METHODS OF USE THEREOF

#111
20090200233
2009-08-13

METHODS AND DEVICES FOR THE REMOVAL OF ORGANIC CONTAMINANTS FROM WATER

#112
20090171116
2009-07-02

Treatment of Aqueous Liquids and the Preparation of Anthranilic Acid

#113
20080099385
2008-05-01

System for destroying hazardous waste resultant from the production of energetics such as explosives

#114
20080035583
2008-02-14

Methods, devices and reagents for wastewater treatment

#115
20070119785
2007-05-31

Metal mediated aeration for water and wastewater purification

#116
20060289364
2006-12-28

Method for treating ship ballast water

#117
20060175266
2006-08-10

Generation of free radicals, analytical methods, bacterial disinfections, and oxidative destruction of organic chemicals using zero valent iron and other metals

#118
20060163154
2006-07-27

Compositions and methods for the treatment of wastewater and other waste

#119
20060138057
2006-06-29

Eco-friendly photo-fenton catalyst-immobilized Fe(III) over HY-zeolite

#120
20060076299
2006-04-13

Synthesis of bentonite clay-based iron nanocomposite and its use as a heterogeneous photo fenton catalyst

#121
20060016762
2006-01-26

Process for treating waste from the production of energetics

#122
20050274678
2005-12-15

Integrated technology in sequential treatment of organics and heavy metal ions wastewater

#123
20050224338
2005-10-13

Water treatment reactor for simultaneous electrocoagulation and advanced oxidation processes

#124
20050161342
2005-07-28

Mediated electrochemical oxidation process used as a hydrogen fuel generator

#125
20050139486
2005-06-30

Mediated electrochemical oxidation of halogenated hydrocarbon waste materials

#126
20050112735
2005-05-26

Production of biodiesel and other valuable chemicals from wastewater treatment plant sludges

#127
20050056598
2005-03-17

Method for treating recalcitrant organic compounds

#128
20050000908
2005-01-06

Method of treating digested sludge

#129
20050000828
2005-01-06

Mediated electrochemical oxidation used for sterilization/disinfection

#130
19228732
2025-12-02

Versatile physicochemical water treatment system and method

#131
19210201
2025-09-02

Hydrogen peroxide generation system

#132
15444691
2018-11-20

Compositions, methods, and/or systems for managing sulfide

#133
15196173
2017-02-28

Methods for managing sulfide in wastewater systems