ClassID:

86525

C02F2103/36 - CPC Classification

Classification description:

Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups  -  from the manufacture of organic compounds

Sub-classes:
Recent Application in this class:
#1
20260049014
2026-02-19

PROCESS FOR THE DEGRADATION OF ONE OR MORE HYDROCARBONS

#2
20250368557
2025-12-04

PROCESS AND PLANT FOR TREATMENT OF WASTEWATER STREAM FROM ACRYLIC ACID AND/OR ACRYLATE PRODUCTION PLANT

#3
20250230082
2025-07-17

METHOD FOR TREATING HIGH-CONCENTRATION FERMENTATION BY-PRODUCTS GENERATED IN AMINO ACID FERMENTATION PROCESS

#4
20250197315
2025-06-19

GREEN ETHYLENE WATER RECYCLE

#5
20250136490
2025-05-01

SYSTEM AND METHOD FOR TREATMENT OF BIOMASS CONTAINING WASTEWATER FOR RENEWABLE ENERGY

#6
20250012181
2025-01-09

Removal of Crude Oil from Water in a Gas Oil Separation Plant (GOSP)

#7
20250000914
2025-01-02

MICROBIAL COMPOSITIONS AND METHODS FOR INCREASING HYDROGEN EMISSIONS

#8
20240417302
2024-12-19

Zero-emissions refinery system and method for liquid waste stream recovery of clean water and valuable by-products

#9
20240417281
2024-12-19

METHOD FOR TREATING WASTEWATER OF NEOPENTYL GLYCOL

#10
20240399185
2024-12-05

FORMULATION AND METHOD FOR CONTROLLING BIOREFINERY WASTE HAZARDS

#11
20240270617
2024-08-15

SYSTEM AND METHOD OF REDUCING OXIDANTS IN A CHEMICAL STREAM

#12
20240060093
2024-02-22

SYSTEMS AND METHODS FOR METHANOL PRODUCTION

#13
20240050873
2024-02-15

SYSTEM AND METHOD FOR IMPROVING WATER QUALITY OF DEHYDRATION TOWER IN PURIFIED TEREPHTHALIC ACID DEVICE

#14
20240043364
2024-02-08

METHOD FOR PREPARING 3,3',4,4'-DICYCLOHEXYLTETRACARBOXYLIC ACID AND METHOD FOR TREATING ACIDIC WASTEWATER

#15
20240018080
2024-01-18

SYNERGISTIC USE OF PHENOL PURIFICATION TRAIN IN PHENOL PRODUCTION UNIT FOR PROCESSING PHENOLIC WATER FROM BISPHENOL-A PRODUCTION UNIT

#16
20230339785
2023-10-26

DEEP PURIFICATION DEVICE AND METHOD FOR METHANOL-TO-OLEFIN WASHING WATER

#17
20230242430
2023-08-03

Integrated device and method for treating toxic and refractory wastewater

#18
20230202945
2023-06-29

Gasification and Fischer-Tropsch process waste water treatment

#19
20230133006
2023-05-04

METHOD FOR PRODUCING PURIFIED ACETIC ACID

#20
20230116436
2023-04-13

Catalyst-free method for degrading dioxane in alkyl ether sulfate vacuum removal water

#21
20230038934
2023-02-09

Utilization of biogas scrubber in anaerobic membrane bioreactor systems

#22
20220306506
2022-09-29

Method for treating production wastewater from the preparation of propylene oxide by co-oxidation

#23
20220306490
2022-09-29

METHOD FOR ISOLATING CARBOXYLIC ACID FROM AN AQUEOUS SIDE STREAM

#24
20220281757
2022-09-08

Cycle water treatment process for ethlyene epoxidation

#25
20220162106
2022-05-26

Phosphorus control for waste streams from glyphosate manufacturing processes

#26
20220098071
2022-03-31

METHOD FOR CARBON SOURCE REPLACEMENT FOR DENITRIFICATION PROCESS IN WASTEWATER TREATMENT

#27
20220089529
2022-03-24

Urea production with multiple evaporators

#28
20220064023
2022-03-03

Method to regenerate an activated carbon filtration media

#29
20220041478
2022-02-10

Treatment system for PMIDA wastewater

#30
20210331958
2021-10-28

Granular sludge reactor system comprising an external separator

#31
20210292673
2021-09-23

Process for the production of bio-oil and biogas from biomass

#32
20210238071
2021-08-05

PROCESS TO TREAT WASTE BRINE

#33
20210206660
2021-07-08

Process to recycle water condensate from COoff gas stream

#34
20210107815
2021-04-15

Method and device for treating acrolein reactor wastewater

#35
20210078881
2021-03-18

System and method of reducing oxidants in a chemical stream

#36
20200346961
2020-11-05

Saline glycerine wastewater treatment system and technology

#37
20200346959
2020-11-05

Method for reducing pollutant discharge in phenol and acetone production

#38
20200331782
2020-10-22

Process for the treatment of waste water

#39
20200308030
2020-10-01

Process for the treatment of waste water

#40
20200171477
2020-06-04

Process for preparing a catalyst and use thereof

#41
20200140288
2020-05-07

Method to remove a plurality of heavy metals from wastewater using activated partially charred rice husks

#42
20200131067
2020-04-30

Phosphorus control for waste streams from glyphosate manufacturing processes

#43
20200108331
2020-04-09

Systems and methods for recovering amines and their derivatives from aqueous mixtures

#44
20200087167
2020-03-19

Desalinization device and method of using the same

#45
20190352205
2019-11-21

Biodegradation of aniline from hypersaline environments using halophilic microorganisms

#46
20190270041
2019-09-05

Method of removing heavy metals from an aqueous solution using partially charred rice husks

#47
20190241449
2019-08-08

Process for the removal of iron and phosphate ions from a chlorinated hydrocarbon waste stream

#48
20190185763
2019-06-20

Online zeta-potential measurements for optimization of emulsion breaker dosage in ethylene plants

#49
20190185351
2019-06-20

Methods and systems for electrochemical oxidation of polyfluoroalkyl and perfluroalkyl contaminants

#50
20190177180
2019-06-13

Treatment method of an aqueous solution containing urea, ammonia and carbon dioxide and treatment equipment therefor

#51
20190127248
2019-05-02

Process and system for subcritical oxidation of water-borne organic contaminants

#52
20190127244
2019-05-02

Method for producing acrylic ester with low pollutant discharge

#53
20190084851
2019-03-21

Method and system for the treatment of cyanide-containing fluids

#54
20190072337
2019-03-07

Recovery and re-use of waste energy in industrial facilities

#55
20190072336
2019-03-07

Recovery and re-use of waste energy in industrial facilities

#56
20190046948
2019-02-14

Method for reducing or controlling wastewater and pollutant from emulsion polymerization resin production

#57
20190002316
2019-01-03

Method for processing contaminated wastewater from the preparation of isophorone, isophoronenitrile and isophoronediamine

#58
20180354831
2018-12-13

Methods and systems for treating wastewater via forward osmosis

#59
20180354829
2018-12-13

WASTEWATER TREATMENT SYSTEM

#60
20180346350
2018-12-06

Process using ion exchange resins for the treatment of wastewater emanating from purified terephthalic acid production

#61
20180202721
2018-07-19

Recovery and re-use of waste energy in industrial facilities

#62
20180171768
2018-06-21

Apparatus and method for potable water extraction from saline aquifers

#63
20180155272
2018-06-07

Process for recovering aminoalcohols and glycols from aqueous streams of taurine production

#64
20180155269
2018-06-07

Method of purifying nitrated aromatic compounds from a nitration process

#65
20180148350
2018-05-31

Method and system for treating brine waste water

#66
20180141843
2018-05-24

Fast biofilm formation method for organic filler during treatment of sewage with low C/N ratio

#67
20180094866
2018-04-05

Systems for recovery and re-use of waste energy in hydrocracking-based configuration for integrated crude oil refining and aromatics complex

#68
20180094865
2018-04-05

Systems for recovery and re-use of waste energy in hydrocracking-based configuration for integrated crude oil refining and aromatics complex

#69
20180094864
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining and aromatics complex

#70
20180094863
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining facility and aromatics complex

#71
20180094862
2018-04-05

Systems for recovery and re-use of waste energy in crude oil refining facility and aromatics complex through simultaneous intra-plant integration and plants' thermal coupling

#72
20180094861
2018-04-05

Recovery and re-use of waste energy in industrial facilities

#73
20180050348
2018-02-22

QUENCH WATER HYDROCYCLONE

#74
20180044213
2018-02-15

Method for treating organic wastewater and organic wastewater treating system

#75
20170341951
2017-11-30

Method and apparatus for treating urea aqueous solution

#76
20170321527
2017-11-09

Process for removing dissolved gas from an evaporator feed stream

#77
20170197853
2017-07-13

Process for removal of anion from aqueous solution

#78
20170190594
2017-07-06

Process for recovering heavy metal ions

#79
20170175100
2017-06-22

Composite of immobilized on modified graphene oxide and its preparation method and application

#80
20170166464
2017-06-15

METHOD OF TREATING THE WASTEWATER FROM ISOPHORONE PRODUCTION BY HIGH-PRESSURE WET OXIDATION

#81
20170158615
2017-06-08

Waste treatment process

#82
20170137367
2017-05-18

Process for preparation of di- and polyamines of the diphenylmethane series

#83
20170107133
2017-04-20

Treatment of the wastewater from isophorone production comprising neutralization, filtration and a downstream chemical oxidation process and subsequent reduction

#84
20170088451
2017-03-30

Elimination of sodium sulfate from biologically treated wastewater

#85
20170082374
2017-03-23

Recovery and re-use of waste energy in industrial facilities

#86
20170082373
2017-03-23

Recovery and re-use of waste energy in industrial facilities

#87
20170059261
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#88
20170059260
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#89
20170059259
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#90
20170058720
2017-03-02

Power generation from waste heat in integrated crude oil refining, aromatics, and utilities facilities

#91
20170058718
2017-03-02

Power generation using independent triple organic rankine cycles from waste heat in integrated crude oil refining and aromatics facilities

#92
20170058703
2017-03-02

Power generation from waste heat in integrated hydrocracking and diesel hydrotreating facilities

#93
20170058208
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#94
20170058207
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#95
20170058206
2017-03-02

Recovery and re-use of waste energy in industrial facilities

#96
20170057849
2017-03-02

Wastewater treatment process for removing chemical oxygen demand

#97
20160271591
2016-09-22

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

#98
20160257582
2016-09-08

Method for sludge-reduced electrocatalytic reduction-oxidation pretreatment of nitrotoluene production wastewater

#99
20160251302
2016-09-01

Process for acidic scrubbing of dinitrotoluene in the presence of hydrocyanic acid

#100
20160221851
2016-08-04

Elimination of sodium sulfate from biologically treated wastewater

#101
20160159668
2016-06-09

Recovering solid waste brine from processed water utilizing a fluidized bed spray granulator system

#102
20160152882
2016-06-02

CATALYTIC SYSTEM FOR BREAKER FLUID FORMULATIONS

#103
20160152496
2016-06-02

Method for processing contaminated wastewater from the preparation of isophorone, isophoronenitrile and isophoronediamine

#104
20160130160
2016-05-12

PROCESS FOR REDUCING THE TOTAL ORGANIC CARBON IN WASTEWATER

#105
20160096749
2016-04-07

Contaminated water treatment system, method and apparatus

#106
20160083267
2016-03-24

Process and plant for treatment of secondary components obtained in acrolein and/or (meth)acrylic acid production

#107
20160082394
2016-03-24

Method for the separation of ammonia and carbon dioxide from aqueous solutions

#108
20160075582
2016-03-17

Process for working up waste water from nitrobenzene preparation

#109
20160060151
2016-03-03

Method for treating industrial water by physical separation, adsorption on resin and reverse osmosis, and corresponding plant

#110
20160052799
2016-02-25

Emulsion extraction and processing from an oil/water separator

#111
20150238881
2015-08-27

PROCESS AND METHOD FOR IMPROVING THE WATER REUSE, ENERGY EFFICIENCY, FERMENTATION AND PRODUCTS OF AN ETHANOL FERMENTATION PLANT

#112
20150210568
2015-07-30

Methods and systems for treating an aqueous effluent

#113
20150209775
2015-07-30

Branched-chain fatty acids as liquid cation exchangers

#114
20150203372
2015-07-23

METHOD FOR TREATING ALKALINE WASTEWATER

#115
20150184133
2015-07-02

Modified bacterium useful for producing an organic molecule

#116
20150157958
2015-06-11

Pressurized low polarity water extraction apparatus and methods of use

#117
20150114819
2015-04-30

Removing carbon nanotubes from a water system

#118
20150060368
2015-03-05

Treatment of gas well production wastewaters

#119
20150034551
2015-02-05

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

#120
20150014181
2015-01-15

Method and apparatus for treatment of effluents from production plants of epoxy compounds

#121
20140275473
2014-09-18

Process for purification of diphenyl carbonate for the manufacturing of high quality polycarbonate

#122
20140186210
2014-07-03

Corrosion and fouling mitigation using non-phosphorus based additives

#123
20130299334
2013-11-14

Process for the purification of an aqueous stream coming from the fischer-tropsch reaction

#124
20130056422
2013-03-07

Reduction of organic phosphorus acids

#125
20130052105
2013-02-28

System and Method for Processing Aqueous Solutions

#126
20130048562
2013-02-28

Treatment of gas well production wastewaters

#127
20130008774
2013-01-10

Process for the purification of an aqueous stream coming from the fischer-tropsch reaction

#128
20120273412
2012-11-01

Treatment of waste product

#129
20120248038
2012-10-04

ACID TOLUENE EXTRACTION OF DNT WASTEWATERS

#130
20120228225
2012-09-13

Method for the separation of ammonia and carbon dioxide from aqueous solutions

#131
20120228218
2012-09-13

Process for workup of NO-containing offgases from wastewater streams of nitration plants

#132
20120205308
2012-08-16

PROCESS FOR PURIFYING WASTEWATERS FROM THE WORKUP OF CRUDE AROMATIC NITRO COMPOUNDS

#133
20120168375
2012-07-05

Method for treating waste saline water produced in production process of diphenylmethane diisocyanate (MDI)

#134
20120168300
2012-07-05

Photoreactor

#135
20120091068
2012-04-19

METHOD FOR PHOTOCATALYTIC WATER PURIFICATION

#136
20120085711
2012-04-12

PROCESS FOR THE OXIDATION OF WASTE ALKALI UNDER SUPERATMOSPHERIC PRESSURE

#137
20120055868
2012-03-08

Process for the purification of an aqueous stream coming from the fischer-tropsch reaction

#138
20120035394
2012-02-09

Process for the recovery of betaines from electrodialysis waste stream

#139
20120006745
2012-01-12

Methods and Systems for Producing Granules of Biomass in the Treatment of Wastewater

#140
20110289846
2011-12-01

Process of scrubbing volatiles from evaporator water vapor

#141
20110284391
2011-11-24

PROCESS AND APPARATUS FOR SEPARATING NITROAROMATICS FROM WASTEWATER

#142
20110180424
2011-07-28

Water purification using conveyor sweep

#143
20110163036
2011-07-07

Method and apparatus for generating fresh water

#144
20110147310
2011-06-23

Method and apparatus for generating fresh water

#145
20110139716
2011-06-16

Method and apparatus for desalinating sea water

#146
20110139712
2011-06-16

Method and apparatus for desalinating sea water

#147
20110121228
2011-05-26

Revaluation of aqueous waste streams in the propylene oxide/styrene co-production process

#148
20110094969
2011-04-28

REMOVAL OF ARSENIC FROM DRINKING AND PROCESS WATER

#149
20110054135
2011-03-03

Process for purification of an aqueous phase containing polyaromatics

#150
20110042306
2011-02-24

Method for desalinating sea water

#151
20110039291
2011-02-17

Bioremediation of nanomaterials

#152
20100294727
2010-11-25

Process for degrading organic substances in an aqueous composition

#153
20100261255
2010-10-14

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

#154
20100240915
2010-09-23

Pre-Treatment of Crude Alcohol or Furan Feed to a Vapor Permeation Apparatus

#155
20100206744
2010-08-19

BRINE PURIFICATION

#156
20100140076
2010-06-10

Method for treating waste water containing oxygen-containing compound having phenolic hydroxyl group of carbonyl group

#157
20100089841
2010-04-15

ULTRASONICALLY INDUCED CAVITATION OF FLUOROCHEMICALS

#158
20100072134
2010-03-25

ULTRASONICALLY INDUCED CAVITATION OF FLUOROCHEMICALS

#159
20090294272
2009-12-03

Process for cleaning wastewaters from melamine plants

#160
20090211947
2009-08-27

Method for reducing fouling in furnaces

#161
20090171116
2009-07-02

Treatment of Aqueous Liquids and the Preparation of Anthranilic Acid

#162
20090145848
2009-06-11

Process for treating industrial effluent water with activtated media

#163
20090101588
2009-04-23

Removal of Arsenic from Drinking and Process Water

#164
20080251458
2008-10-16

Process for the treatment of wastewater from aldolization processes

#165
20080099404
2008-05-01

Process for treating industrial effluent water with activated media

#166
20070289923
2007-12-20

Method of treating waste liquid from production plant for hydrocarbons or oxygen-containing compounds

#167
20070043244
2007-02-22

Method for extracting nitrocresols from waste water produced in the manufacture of mononitrotoluene and use of said extract

#168
20060096921
2006-05-11

Process for removal of impurities from an oxidizer purge stream

#169
20060086670
2006-04-27

Removal of arsenic from drinking and process water

#170
20060076290
2006-04-13

Nitrate removal in a purge stream using constructed wetlands

#171
20050279714
2005-12-22

Wet oxidation method

#172
20050279623
2005-12-22

Removal of propylene glycol and/or propylene glycol ethers from aqueous streams

#173
20050240065
2005-10-27

Extraction of phenol-containing effluent streams

#174
20050199558
2005-09-15

Dual porosity filter

#175
20050131085
2005-06-16

Method of purifying Fischer-Tropsch derived water

#176
20050085680
2005-04-21

Method for industrial decontamination

#177
16599314
2020-06-23

Coated porous substrates for oil and gas or chemical processing wastewater treatment

#178
15977918
2020-08-18

Demulsification compound and method for oil separation from waste streams