ClassID:

30732

B01D2311/18 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control pH control

Recent Application in this class:
#1
20250361167
2025-11-27

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#2
20250188119
2025-06-12

METHOD FOR REMOVING FXI WHEN PURIFYING PLASMA PROTEINS

#3
20250098704
2025-03-27

SUNFLOWER SEED PROTEIN ISOLATE AND A PROCESS FOR PRODUCING THE SAME

#4
20250091013
2025-03-20

Three-Compartment Bipolar Membrane Electrodialysis Of Salts Of Amino Acids

#5
20240316501
2024-09-26

SYSTEM AND METHOD FOR ELECTROCHEMICAL OCEAN ALKALINITY ENHANCEMENT

#6
20240286081
2024-08-29

SEPARATION OF HUMAN MILK OLIGOSACCHARIDES FROM A FERMENTATION BROTH

#7
20240207789
2024-06-27

PREVENTIVE CONTROL METHOD AND SYSTEM FOR PREVENTING THE FOULING OF A MEMBRANE SEPARATION UNIT

#8
20240191175
2024-06-13

METHOD OF PURIFYING A PROTEIN FROM FERMENTATION SOLIDS UNDER DESORBING CONDITIONS

#9
20240140847
2024-05-02

SYSTEMS AND METHODS FOR REMOVING PHOSPHORUS FROM WATER

#10
20230390704
2023-12-07

System and method for electrochemical ocean alkalinity enhancement

#11
20230211290
2023-07-06

METHOD FOR SEPARATING BIOMASS FROM A SOLUTION COMPRISING BIOMASS AND AT LEAST ONE AROMA COMPOUND

#12
20230201772
2023-06-29

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

#13
20220355249
2022-11-10

SCALABLE TANGENTIAL FLOW FILTRATION METHOD AND RETROFIT KIT

#14
20220340942
2022-10-27

SEPARATION OF NEUTRAL OLIGOSACCHARIDES FROM FERMENTATION BROTH

#15
20220332755
2022-10-20

Virus filtration

#16
20220242757
2022-08-04

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

#17
20220240538
2022-08-04

DIAFILTRATION

#18
20220227649
2022-07-21

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

#19
20220177340
2022-06-09

Pure-water production device and pure-water production method

#20
20220162104
2022-05-26

Apparatus for removing boron, method for removing boron, apparatus for producing pure water and method for producing pure water

#21
20220161192
2022-05-26

METHOD FOR OPERATING A TREATMENT SYSTEM, TREATMENT SYSTEM, AND USE OF A TREATMENT SYSTEM

#22
20220142201
2022-05-12

PREPARATION OF NON-SOY OILSEED PROTEIN PRODUCTS ("*810")

#23
20220072477
2022-03-10

METHOD FOR TREATING WHEY DEMINERALIZATION EFFLUENTS

#24
20220053791
2022-02-24

Sunflower seed protein isolate and a process for producing the same

#25
20220041638
2022-02-10

METHOD FOR SEPARATING BIOMASS FROM A SOLUTION COMPRISING BIOMASS AND AT LEAST ONE OLIGOSACCARIDE

#26
20220016576
2022-01-20

Removal of Al-salts, HCl, NaCl and organic by-product from strong alkaline DIOPAT suspension by means of alkaline stable nanofiltration followed by separation of salts and byproducts after neutralization of DIOPAT solution by means of ultrafiltration

#27
20210376400
2021-12-02

Recovery of critical elements from end-of-life lithium ion batteries with supported membrane solvent extraction

#28
20210363179
2021-11-25

METHOD FOR REMOVING FXI WHEN PURIFYING PLASMA PROTEINS

#29
20210352943
2021-11-18

Sweetening composition and preparation method and use thereof

#30
20210259281
2021-08-26

Pulse Protein Isolation by Ultrafiltration

#31
20210229040
2021-07-29

Three-compartment bipolar membrane electrodialysis of salts of amino acids

#32
20210094855
2021-04-01

Methods of separating and isolating water and other desired constituents from oilfield produced brines

#33
20210079551
2021-03-18

METHOD AND DEVICE FOR FILTERING A PLATINUM BATH BY ELECTRODIALYSIS

#34
20200407244
2020-12-31

METHODS FOR PRODUCING A FOOD PRODUCT

#35
20200398221
2020-12-24

Method for purifying and recovering solvent from ion exchange processes

#36
20200360859
2020-11-19

Method for filtering a large volume of a medium with a pre-sterilisable, at least semi-automated one-way filtration device

#37
20200325097
2020-10-15

Method for producing lactic acid and method for producing polylactic acid

#38
20200317553
2020-10-08

Treatment of fluoride-containing wastewater

#39
20200308253
2020-10-01

SINGLE ALPHA CHAIN COLLAGENS

#40
20200215454
2020-07-09

System and method for removal of scale forming components

#41
20200095150
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#42
20200095149
2020-03-26

Automated waste water recycling system using advanced electro-coagulation unit

#43
20200061541
2020-02-27

METHODS AND SYSTEMS FOR CONCENTRATING DIGESTATE FROM BIOGAS

#44
20200048596
2020-02-13

Membrane biofilm reactors, systems, and methods for producing organic products

#45
20200023317
2020-01-23

Method for reducing monovalent ions in concentrate of nanofiltration system and the nanofiltration system

#46
20200010618
2020-01-09

A PROCESS FOR PURIFICATION OF POLYETHER BLOCK COPOLYMERS

#47
20200001237
2020-01-02

Membrane filtration method

#48
20190359508
2019-11-28

Method for controlling pH by electrical conductivity

#49
20190270660
2019-09-05

Methods of separating and isolating water and other desired constituents from oilfield produced brines for reuse

#50
20190194043
2019-06-27

Treatment of water

#51
20190193069
2019-06-27

Process for recovery of lithium from brine

#52
20190177708
2019-06-13

Method of purifying a heterologous protein from an egg white

#53
20190054428
2019-02-21

Functionalized Ceramic Membranes for the Separation of Organics from Raw Water and Methods of Filtration Using Functionalized Ceramic Membranes

#54
20190039922
2019-02-07

Process for the preparation of an aqueous solution comprising at least one earth alkali hydrogen carbonate

#55
20190024038
2019-01-24

METHOD OF PURIFYING A PROTEIN FROM FERMENTATION SOLIDS UNDER DESORBING CONDITIONS

#56
20180297867
2018-10-18

PROCESSING INCLUDING A MEMBRANE AND GAS RECYCLING SYSTEM FOR FORWARD OSMOSIS WATER TREATMENT SYSTEMS USING SWITCHABLE POLAR SOLVENTS

#57
20180290961
2018-10-11

METHOD AND SYSTEM FOR OBTAINING A CARBOXYLIC ACID WHICH IS PRODUCED IN A FERMENTATION PROCESS

#58
20180274111
2018-09-27

Electrolytic buffer generator

#59
20180257965
2018-09-13

Membrane treatment of ammonia-containing waste water

#60
20180229184
2018-08-16

A SWITCHABLE FORWARD OSMOSIS SYSTEM, AND PROCESSES THEREOF

#61
20180194659
2018-07-12

Recovery method for discharged cooling water

#62
20180099889
2018-04-12

Scale removal system

#63
20180072769
2018-03-15

VIRUS FILTRATION

#64
20180057771
2018-03-01

Complete saponification and acidulation of natural oil processing byproducts and treatment of reaction products

#65
20180028978
2018-02-01

Methods and systems for treating high temperature produced water

#66
20180001262
2018-01-04

Treatment of industrial water systems

#67
20170368505
2017-12-28

Dialysis water purification system

#68
20170368476
2017-12-28

System and method for removal of scale forming components

#69
20170225128
2017-08-10

FUNCTIONALIZED CERAMIC MEMBRANES FOR THE SEPARATION OF ORGANICS FROM RAW WATER AND METHODS OF FILTRATION USING FUNCTIONALIZED CERAMIC MEMBRANES

#70
20170210656
2017-07-27

Water treatment systems and methods

#71
20170204364
2017-07-20

METHOD FOR MODIFYING POLYSACCHARIDES BY GRAFTING POLYETHERAMINES, POLYSACCHARIDES THUS MODIFIED AND PREPARATIONS COMPRISING SAME AND HAVING HEAT-SENSITIVE RHEOLOGICAL PROPERTIES

#72
20170182460
2017-06-29

Silica products from geothermal fluids by reverse osmosis

#73
20170130345
2017-05-11

Three-electrode buffer generator and method

#74
20170015968
2017-01-19

Membrane biofilm reactors, systems, and methods for producing organic products

#75
20170014758
2017-01-19

Conversion of gas and treatment of a solution

#76
20160355414
2016-12-08

Method of removing hydrogen-sulfide from water

#77
20160251239
2016-09-01

Method and apparatus for processing radioactive wastewater

#78
20160207811
2016-07-21

Scale detection device and method for concentrating device, and water reclamation processing treatment system

#79
20150322627
2015-11-12

Process for refining chemicals from pulp and paper mill wastewaters

#80
20150300231
2015-10-22

Membrane-based exhaust gas scrubbing method and system

#81
20150290576
2015-10-15

BIPOLAR ELECTRODIALYZER AND PURIFICATION METHOD FOR AMINE FLUID USING SAME

#82
20150203384
2015-07-23

Water treatment process and water treatment system

#83
20150203383
2015-07-23

Water treatment process and water treatment system

#84
20150203382
2015-07-23

Water treatment process and water treatment system

#85
20150203381
2015-07-23

Water treatment process and water treatment system

#86
20150203380
2015-07-23

Water treatment process and water treatment system

#87
20150203379
2015-07-23

Water treatment process and water treatment system

#88
20150165381
2015-06-18

NANOFILTRATION PROCESS FOR IMPURITY REMOVAL

#89
20150048027
2015-02-19

Method for high efficiency reverse osmosis operation

#90
20150041322
2015-02-12

Desalination system and method

#91
20150014169
2015-01-15

Electrochemical processes to separate products derived from biological conversions

#92
20140291241
2014-10-02

Functionalized ceramic membranes for the separation of organics from raw water and methods of filtration using functionalized ceramic membranes

#93
20140224734
2014-08-14

Removal of boron from saline water using alkalized NF membrane pretreatment

#94
20140199262
2014-07-17

Method for manufacturing protein drug

#95
20140091039
2014-04-03

SYSTEM AND METHOD FOR THE TREATMENT OF HYDRAULIC FRACTURING BACKFLOW WATER

#96
20130341270
2013-12-26

Apparatus, systems, and methods for fluid filtration

#97
20130299426
2013-11-14

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#98
20130277219
2013-10-24

Electronic protein fractionation

#99
20130248445
2013-09-26

Membrane filtration process with high water recovery

#100
20130233796
2013-09-12

TREATMENT OF INDUSTRIAL WATER SYSTEMS

#101
20130220830
2013-08-29

Electronic control of pH and ionic strength

#102
20130183226
2013-07-18

Graphite oxide, graphene oxide or graphene, electric device using the same and method of manufacturing the same, and electrodialysis apparatus

#103
20130072724
2013-03-21

Process for refining chemicals from pulp and paper mill wastewaters

#104
20130062289
2013-03-14

Treatment of phosphate-containing wastewater

#105
20130062282
2013-03-14

METHOD FOR HIGH EFFICIENCY REVERSE OSMOSIS OPERATION

#106
20130056417
2013-03-07

REMOVAL OF BORON FROM SALINE WATER USING ALKALIZED NF MEMBRANE PRETREATMENT

#107
20130048563
2013-02-28

TANNIN POLYMERS AS AIDS FOR REDUCING FOULING OF CERAMIC MEMBRANES

#108
20130048498
2013-02-28

Three-electrode buffer generator and method

#109
20130039837
2013-02-14

Method for the continuous recovery of carbon dioxide from acidified seawater

#110
20130008792
2013-01-10

Electrodialytic separation of COgas from seawater

#111
20120311796
2012-12-13

APPARATUS AND METHOD FOR PRODUCTION OF NATURAL DYE

#112
20120305483
2012-12-06

System and Method for Treatment of Acidic Wastewater

#113
20120273418
2012-11-01

BORON RECOVERY TREATMENT METHOD

#114
20120255908
2012-10-11

Water conservation methods combining osmotic membrane processed water for subsequent efficient use in cooling tower applications

#115
20120247973
2012-10-04

WASTEWATER AMMONIUM EXTRACTION AND ELECTROLYTIC CONVERSION TO NITROGEN GAS

#116
20120231145
2012-09-13

METHOD FOR SEPARATING SIALYLLACTOSE MATERIAL

#117
20120228221
2012-09-13

METHOD OF CLEANING FILTRATION MEMBRANE

#118
20120228219
2012-09-13

Spiral wound membrane element and treatment of SAGD produced water or other high temperature alkaline fluids

#119
20120220009
2012-08-30

Cross-flow membrane filtration-based process for protein recovery

#120
20120206549
2012-08-16

WASTEWATER PURIFYING SYSTEM, WASHING DEVICE, AND INKJET PRINTER SYSTEM

#121
20120160753
2012-06-28

WATER DESALINATION PLANT AND SYSTEM FOR THE PRODUCTION OF PURE WATER AND SALT

#122
20120103905
2012-05-03

Microfiltration method and system

#123
20120073822
2012-03-29

Fluid treatment system

#124
20120067791
2012-03-22

Seawater desalination apparatus and chemical injection apparatus

#125
20120042575
2012-02-23

CMP SLURRY RECYCLING SYSTEM AND METHODS

#126
20120024784
2012-02-02

Fluid Gasification/Degasification Apparatuses, Systems, and Processes

#127
20120022312
2012-01-26

METHOD FOR TREATING RADIOACTIVE LIQUID WASTE AND APPARATUS FOR TREATING THE SAME

#128
20120006790
2012-01-12

Apparatus and method for treating etching solution

#129
20110315631
2011-12-29

Multi-use high water recovery process

#130
20110303606
2011-12-15

Co-producing apparatus for salt and fresh water and co-producing method of the same

#131
20110302849
2011-12-15

PRODUCTION OF HIGH-PURITY SUSPENSIONS CONTAINING PRECIPITATED SILICAS BY ELECTRODIALYSIS

#132
20110263811
2011-10-27

Method for producing lactic acid and method for producing polylactic acid

#133
20110155665
2011-06-30

Method and System for High Recovery Water Desalting

#134
20110083285
2011-04-14

APPARATUS AND METHOD FOR PRODUCTION OF NATURAL DYE

#135
20110062079
2011-03-17

PROCESS FOR TREATING WATER BY A NANOFILTRATION OR REVERSE OSMOSIS MEMBRANE SYSTEM ENABLING HIGH CONVERSION RATES DUE TO THE ELIMINATION OF ORGANIC MATTER

#136
20110042214
2011-02-24

Electroregeneration apparatus and water treatment method

#137
20100317891
2010-12-16

METHOD FOR THE PURIFICATION OF ORGANIC ACIDS

#138
20100314318
2010-12-16

HALOGENATED AMIDE BIOCIDAL COMPOUNDS AND METHODS FOR TREATING WATER SYSTEMS AT NEAR NEUTRAL TO HIGH PH

#139
20100300970
2010-12-02

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#140
20100248335
2010-09-30

METHOD AND APPARATUS FOR TREATMENT OF ORGANIC WASTE

#141
20100193436
2010-08-05

Pre-treatment reverse osmosis water recovery method for brine retentate metals removal

#142
20100190222
2010-07-29

Lactic acid production method

#143
20100108274
2010-05-06

DISPOSAL PROCESS FOR SULFIDE-FREE BLACK LIQUORS

#144
20100059439
2010-03-11

METHOD OF SIMULTANEOUSLY CONCENTRATING AND DETOXIFYING SUGARS BEFORE FERMENTATION

#145
20100036103
2010-02-11

Method for producing apoprotein

#146
20100021880
2010-01-28

Automated Macromolecule Sample Preparation System

#147
20100018921
2010-01-28

Reverse osmosis water recover method

#148
20090308745
2009-12-17

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#149
20090236292
2009-09-24

Wastewater treatment system and method of wastewater treatment

#150
20090223897
2009-09-10

Method for the Rejection of Boron from Seawater in a Reverse Osmosis System

#151
20090223896
2009-09-10

Water treatment by dendrimer-enhanced filtration

#152
20090204419
2009-08-13

Purification of Oil Field Production Water for Beneficial Use

#153
20090173692
2009-07-09

Water treatment process for oilfield produced water

#154
20090173339
2009-07-09

Separation process

#155
20090107897
2009-04-30

AUTOMATIC FLUSHING APPARATUS OF MEMBRANE FILTER IN WATER PURIFIER

#156
20090101578
2009-04-23

Process for enhanced total organic carbon removal while maintaining optimum membrane filter performance

#157
20090039020
2009-02-12

METHODS FOR REDUCING BORON CONCENTRATION IN HIGH SALINITY LIQUID

#158
20090014386
2009-01-15

Separation process

#159
20080290030
2008-11-27

System and Method for Treatment of Acidic Wastewater

#160
20080277289
2008-11-13

WASTEWATER AMMONIUM EXTRACTION AND ELECTROLYTIC CONVERSION TO NITROGEN GAS

#161
20080179242
2008-07-31

METHOD FOR TREATMENT OF FEEDWATERS BY MEMBRANE SEPARATION UNDER ACIDIC CONDITIONS

#162
20080156710
2008-07-03

Pure water producing apparatus

#163
20080099393
2008-05-01

PROCESS FOR RECYCLING PAINT FLUSH SOLUTION

#164
20080060999
2008-03-13

Method of heavy metal removal from industrial wastewater using submerged ultrafiltration or microfiltration membranes

#165
20070251884
2007-11-01

Method for removing at least one constituent from a solution

#166
20070034571
2007-02-15

High recovery reverse osmosis process and apparatus

#167
20060243661
2006-11-02

System for treating wastewater containing organic compounds

#168
20060231491
2006-10-19

High purity water produced by reverse osmosis

#169
20060201882
2006-09-14

Method and system for treating wastewater containing hydrogen peroxide

#170
20060175257
2006-08-10

Methods for filtrating and producing polymer solution, and for preparing solvent

#171
20060108289
2006-05-25

Methods for removing metals from water

#172
20060065599
2006-03-30

Process for reducing the content of water-soluble salts of aqueous solutions of polymers containing vinylamine groups and use of the desalted polymers in the manufacture of multicomponent superabsorbent gels

#173
20060024839
2006-02-02

Inorganic carbon removal

#174
20060021938
2006-02-02

Water treatment by dendrimer enhanced filtration

#175
20050269265
2005-12-08

Carbohydrate purification using ultrafiltration, reverse osmosis and nanofiltration

#176
20050252858
2005-11-17

Fuel and by-products from fermentation still bottoms

#177
20050155939
2005-07-21

Process for producing a sterilization system

#178
20050145569
2005-07-07

Method for treatment of sludge from waterworks and wastewater treatment plants

#179
20050145548
2005-07-07

Water treatment system

#180
20050112755
2005-05-26

Purification and concentration of synthetic biological molecules

#181
20050109694
2005-05-26

Method and system for treating wastewater containing organic compounds

#182
20050098499
2005-05-12

Process for pre-treating and desalinating sea water

#183
20050084874
2005-04-21

Microfiltration and/or ultrafiltration process for recovery of target molecules from polydisperse liquids

#184
20050061741
2005-03-24

Method for treating reverse osmosis membranes with chlorine dioxide

#185
20050056590
2005-03-17

Process for the removal of contaminants from water

#186
20050051488
2005-03-10

System and method for treatment of acidic wastewater

#187
20050023194
2005-02-03

Automated low-volume tangential flow filtration process development device

#188
20050011832
2005-01-20

Water desalination process using ion selective membranes

#189
16105103
2020-12-15

Energy efficient low-fouling high-recovery reverse osmosis system for brackish water desalination

#190
15473003
2020-06-16

Process to remove transition metals from waste water

#191
14971838
2018-04-10

Recycle loop for reduced scaling in bipolar membrane electrodialysis