ClassID:

30721

B01D2311/04 - page 2 - CPC Classification

Classification description:

Details relating to membrane separation process operations and control Specific process operations in the feed stream; Feed pretreatment

Recent Application in this class:
#301
20190118143
2019-04-25

Radiative treatment of liquids in desalination and other membrane processes

#302
20190118134
2019-04-25

Apparatus and method for separating COat low temperature comprising a step of separation by permeation

#303
20190112213
2019-04-18

Drainless reverse osmosis water purification system

#304
20190111382
2019-04-18

Acid gas separation membrane and acid gas separation method using same, acid gas separation module, and acid gas separation apparatus

#305
20190111365
2019-04-18

Water treatment apparatus

#306
20190106348
2019-04-11

Treatment of phosphate-containing wastewater

#307
20190099719
2019-04-04

Hollow fiber membrane modified with molybdenum trioxide nanoparticles

#308
20190092668
2019-03-28

On-demand system for drawing and purifying well water

#309
20190083933
2019-03-21

Biocide composition and method

#310
20190083926
2019-03-21

Gas separation method

#311
20190078014
2019-03-14

Hydraulic geofracture energy storage system with desalination

#312
20190077682
2019-03-14

Damping plate sand filtration system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

#313
20190076589
2019-03-14

Filtration System for Preparation of Fluids for Medical Applications

#314
20190070559
2019-03-07

HOUSEHOLD WATER PURIFICATION SYSTEM

#315
20190062189
2019-02-28

Concentrating aqueous solutions via hybridizing electrodialysis and other desalination techniques

#316
20190054428
2019-02-21

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

#317
20190046929
2019-02-14

SEPARATION MEMBRANE ELEMENT

#318
20190046922
2019-02-14

Membrane-based gas separation with retentate sweep

#319
20190046713
2019-02-14

Filtration system for preparation of fluids for medical applications

#320
20190039922
2019-02-07

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

#321
20190030489
2019-01-31

Scale inhibitor for reverse osmosis membranes and reverse osmosis membrane treatment method

#322
20190030486
2019-01-31

Crossflow filtration unit for continuous diafiltration

#323
20190024038
2019-01-24

METHOD OF PURIFYING A PROTEIN FROM FERMENTATION SOLIDS UNDER DESORBING CONDITIONS

#324
20190023586
2019-01-24

Recycling automotive phosphate rinse water stream

#325
20190022591
2019-01-24

Fluid purification by forward osmosis, ion exchange and re-concentration

#326
20190022293
2019-01-24

FLUID PURIFICATION SYSTEM

#327
20190010070
2019-01-10

Membrane separation process

#328
20190010067
2019-01-10

BIOREACTOR ASSEMBLY

#329
20190009207
2019-01-10

Multilayer aromatic polyamide thin-film composite membranes for separation of gas mixtures

#330
20180361320
2018-12-20

Control of distributed heat transfer mechanisms in membrane distillation plants

#331
20180345223
2018-12-06

MULTI-STAGE FILTRATION SYSTEM FOR HETEROGENEOUS FOOD MIXTURES

#332
20180334394
2018-11-22

Water purification system with automatic flush flow

#333
20180333678
2018-11-22

Reverse osmosis or nanofiltration process for cleaning water

#334
20180328006
2018-11-15

For diluting or concentrating solutions, applied to processes for the desalination of water

#335
20180318766
2018-11-08

WATER RECLAMATION SYSTEM

#336
20180304203
2018-10-25

CERAMIC MEMBRANE SYSTEM FOR SILICA REMOVAL AND RELATED METHODS

#337
20180297866
2018-10-18

WATER TREATMENT SYSTEM AND WATER TREATMENT METHOD

#338
20180290902
2018-10-11

Integrated system for generating, storing and dispensing clean energy and desalinating water

#339
20180280888
2018-10-04

REVERSE OSMOSIS TREATMENT APPARATUS AND REVERSE OSMOSIS TREATMENT METHOD

#340
20180265387
2018-09-20

Method for purifying water as well as plant suitable for said method

#341
20180264410
2018-09-20

METHOD FOR IMPROVING INHIBITION PERFORMANCE OF SEMIPERMEABLE MEMBRANE, SEMIPERMEABLE MEMBRANE, AND SEMIPERMEABLE MEMBRANE WATER PRODUCTION DEVICE

#342
20180257965
2018-09-13

Membrane treatment of ammonia-containing waste water

#343
20180251386
2018-09-06

Subsea equipment cleaning system and method

#344
20180251385
2018-09-06

Water treatment system

#345
20180243693
2018-08-30

Water purification systems and methods having pressurized draw stream

#346
20180236404
2018-08-23

Water treatment and delivery system for dialysis units

#347
20180236372
2018-08-23

PRODUCTION OF MULTIVALENT ION-RICH STREAMS USING HUMIDIFICATION-DEHUMIDIFICATION SYSTEMS

#348
20180229184
2018-08-16

A SWITCHABLE FORWARD OSMOSIS SYSTEM, AND PROCESSES THEREOF

#349
20180222758
2018-08-09

Process for the recovery of sodium sulfate

#350
20180221827
2018-08-09

METHOD AND APPARATUS FOR MITIGATING BIO FOULING IN REVERSE OSMOSIS MEMBRANES

#351
20180221793
2018-08-09

Depth filtration media with multiple organic and/or inorganic materials

#352
20180200673
2018-07-19

Method and systems for isolation and/or separation of products from production processes

#353
20180194659
2018-07-12

Recovery method for discharged cooling water

#354
20180194658
2018-07-12

Method and system for water injection into an oil and/or gas containing subterranean formation

#355
20180186665
2018-07-05

Osmotic distillation process for concentrating a liquid containing sodium chloride

#356
20180180581
2018-06-28

Method and device for testing the effectiveness of magnetic treatment of feed water for reducing mineral scaling in reverse osmosis processes

#357
20180179096
2018-06-28

Systems for producing regenerant brine and desalinated water from high temperature produced water

#358
20180170812
2018-06-21

Metal oxide ceramic nanomaterials and methods of making and using same

#359
20180154310
2018-06-07

Water filtration system and method

#360
20180154292
2018-06-07

Water purification device based on filter cartridge anti-counterfeiting identification

#361
20180147531
2018-05-31

Method for producing lithium hydroxide and lithium carbonate

#362
20180127462
2018-05-10

Method for extracting epsilon-polylysine and its hydrochloride salt from fermentation broth

#363
20180127294
2018-05-10

Composite filter cartridge

#364
20180118577
2018-05-03

Method of production of a colloidal silica concentrate

#365
20180117531
2018-05-03

Submerged membrane filtration system using reciprocating membrane

#366
20180111861
2018-04-26

Ozone generator for water purification system

#367
20180100143
2018-04-12

Removal of contaminating viruses from AAV preparations

#368
20180100109
2018-04-12

Method of fractionating mixtures of low molecular weight hydrocarbons

#369
20180099889
2018-04-12

Scale removal system

#370
20180093199
2018-04-05

Process for purification of an organic acid including an electrodialysis treatment step

#371
20180079662
2018-03-22

Systems and methods for recovery of purified water and concentrated brine

#372
20180072769
2018-03-15

VIRUS FILTRATION

#373
20180072588
2018-03-15

Apparatus and method for analyzing influence variable on membrane fouling of seawater desalination system

#374
20180057771
2018-03-01

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

#375
20180051350
2018-02-22

Method of producing sugar solution

#376
20180051047
2018-02-22

Technology for extracting and preparing high-purity raffinose from defatted wheat germ

#377
20180043309
2018-02-15

Filtration assembly including spiral wound bioreactors and membrane modules positioned in separate pressure vessels

#378
20180043288
2018-02-15

Integrated composite filter cartridge and water purifying system having same

#379
20180036684
2018-02-08

Filtration assembly including spiral wound bioreactors and hyperfiltration membrane modules

#380
20180016173
2018-01-18

Chemical free and energy efficient desalination system

#381
20180008934
2018-01-11

Liquid Purification System

#382
20180001263
2018-01-04

SUBMERGED HYPERFILTRATION SYSTEM

#383
20170368505
2017-12-28

Dialysis water purification system

#384
20170368503
2017-12-28

Water treatment apparatus

#385
20170368476
2017-12-28

System and method for removal of scale forming components

#386
20170361277
2017-12-21

VACUUMED GAP MEMBRANE DISTILLATION (VAGMED) MODULE, MULTI-STAGE VAGMED SYSTEMS, AND VAGMED PROCESSES

#387
20170349467
2017-12-07

Cross current staged reverse osmosis

#388
20170349466
2017-12-07

Cross current staged reverse osmosis

#389
20170349465
2017-12-07

Cross current staged reverse osmosis

#390
20170349455
2017-12-07

Apparatus, method and system for desalinating water

#391
20170349454
2017-12-07

Water purification system

#392
20170334747
2017-11-23

System and method for flexible low-energy membrane-based liquid purification

#393
20170327398
2017-11-16

Methane fermentation system

#394
20170321182
2017-11-09

Biological and algae harvesting and cultivation systems and methods

#395
20170321181
2017-11-09

Biological and algae harvesting and cultivation systems and methods

#396
20170313608
2017-11-02

Fail Safe Flushing BioReactor for Selenium Water Treatment

#397
20170304774
2017-10-26

Separation systems for removing starch and other usable by-products from processing waste water

#398
20170283290
2017-10-05

Spiral wound filtration assembly including integral bioreactor

#399
20170283280
2017-10-05

Method for the desalination of supersaturated hot water

#400
20170275663
2017-09-28

Method of producing sugar liquid

#401
20170274325
2017-09-28

WATER TREATMENT METHOD

#402
20170267550
2017-09-21

ULTRAPURE WATER PRODUCING METHOD

#403
20170267545
2017-09-21

Subsea fluid injection system

#404
20170253506
2017-09-07

Subsea deoxygenation in a water injection process plant

#405
20170252699
2017-09-07

ULTRAFILTRATION FOR PREPARING OUTER MEMBRANE VESICLES

#406
20170247770
2017-08-31

Method for purifying oses without adjusting pH

#407
20170247266
2017-08-31

Water treatment assembly including hyperfiltration module and cation exchange resin

#408
20170246591
2017-08-31

Method and apparatus for the filtration of biological solutions

#409
20170232389
2017-08-17

Reverse-osmosis-membrane device and method for operating the same

#410
20170225987
2017-08-10

Spiral wound filtration assembly including integral bioreactor

#411
20170225128
2017-08-10

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

#412
20170210656
2017-07-27

Water treatment systems and methods

#413
20170204030
2017-07-20

Method for producing high-concentration alcohol

#414
20170203979
2017-07-20

Sea water reverse osmosis system to reduce concentrate volume prior to disposal

#415
20170197183
2017-07-13

Filtering system and hollow fiber membrane module for the same

#416
20170190640
2017-07-06

Separation method and separation apparatus

#417
20170190603
2017-07-06

Inhibtion of silica scale using hydrophobically-modified alkylene oxide urethane copolymer

#418
20170182460
2017-06-29

Silica products from geothermal fluids by reverse osmosis

#419
20170182439
2017-06-29

Filter method for filtering a fluid and adjusting a pre-treatment agent based on a process variable

#420
20170173537
2017-06-22

APPARATUS AND METHODS FOR FRACTIONATION OF BIOLOGICAL PRODUCTS

#421
20170157566
2017-06-08

Process control systems and methods for use with filters and filtration processes

#422
20170152154
2017-06-01

Reverse Osmosis System

#423
20170136418
2017-05-18

Filter system

#424
20170129788
2017-05-11

Damping plate sand filtration system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

#425
20170128887
2017-05-11

Water treatment system

#426
20170113932
2017-04-27

Hydrogen peroxide purification process and hydrogen peroxide

#427
20170073942
2017-03-16

Water storage tank structure and operating method for the reverse osmosis water purifying system

#428
20170057853
2017-03-02

Submerged membrane filtration system using reciprocating membrane

#429
20170056825
2017-03-02

Ultrafiltration unit for continuous buffer or medium exchange from a protein solution

#430
20170044029
2017-02-16

Filtration treatment system and filtration treatment method

#431
20170029294
2017-02-02

Apparatus for treating water or liquids in general

#432
20170028348
2017-02-02

Osmotic separation systems and methods

#433
20170022585
2017-01-26

Uranium extraction plant, uranium recovery, and acid or base recovery

#434
20170021309
2017-01-26

Methods of conditioning membranes

#435
20170015968
2017-01-19

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

#436
20170015612
2017-01-19

Divalent ion removal from monoethylene glycol (MEG) feed streams

#437
20160368796
2016-12-22

Seawater pretreatment device

#438
20160362305
2016-12-15

Water treatment plant controlling method and controlling program, and water treatment system

#439
20160355414
2016-12-08

Method of removing hydrogen-sulfide from water

#440
20160326029
2016-11-10

Media filter having nonpowered mixing and coagulation basin, and seawater desalination plant and dissolved air floatation apparatus using same

#441
20160318787
2016-11-03

Anaerobic fermentation to produce biogas

#442
20160313058
2016-10-27

Process and apparatus for separating NOfrom a COand NO-containing fluid

#443
20160304426
2016-10-20

Two-stage hydroformylation process with circulating gas and SILP technology

#444
20160303305
2016-10-20

Filtration system for preparation of fluids for medical applications

#445
20160280575
2016-09-29

Drainless reverse osmosis water purification system

#446
20160271565
2016-09-22

Composition and method for biofouling inhibition of membrane separation device

#447
20160271562
2016-09-22

REMOVAL OF AMMONIA FROM AMMONIA-CONTAINING WATER USING AN ELECTRODIALYSIS PROCESS

#448
20160251239
2016-09-01

Method and apparatus for processing radioactive wastewater

#449
20160236950
2016-08-18

Modular sand filtration-anchor system and wave energy water desalination system and methods of using potable water produced by wave energy desalination

#450
20160220964
2016-08-04

FRESH WATER GENERATION SYSTEM AND FRESH WATER GENERATION METHOD

#451
20160220958
2016-08-04

ULTRAPURE WATER PRODUCTION APPARATUS

#452
20160207811
2016-07-21

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

#453
20160206991
2016-07-21

Method for separating carbon dioxide from a gas flow, in particular from a flue gas flow, and separating device for separating carbon dioxide from a gas flow, in particular from a flue gas flow

#454
20160198721
2016-07-14

Method for producing stabilized hypobromous acid composition, stabilized hypobromous acid composition, and slime inhibition method for separation membrane

#455
20160185627
2016-06-30

System and method for treating contaminated wastewater

#456
20160177262
2016-06-23

Methods for cell washing with on-line dilution of cell feed

#457
20160176740
2016-06-23

Seawater desalination system and seawater desalination method

#458
20160158703
2016-06-09

Membrane cascade with falling separation temperature

#459
20160145130
2016-05-26

Water treatment device

#460
20160115055
2016-04-28

Water treatment system

#461
20160075825
2016-03-17

Method for the purification of poly(arylene ethers)

#462
20160060151
2016-03-03

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

#463
20160046509
2016-02-18

System and method to prevent chemical fouling on reverse osmosis membrane

#464
20160046360
2016-02-18

Ballast water treatment apparatus and method for ship using forward osmosis process

#465
20160031725
2016-02-04

Water treatment assembly including hyperfiltration module and pressurizable reservoir

#466
20160016117
2016-01-21

Method and systems for isolation and/or separation of products from production processes

#467
20160002130
2016-01-07

Divalent ion removal from monoethylene glycol (MEG) feed streams

#468
20150368293
2015-12-24

Method for fractionating soluble fractions of peas, fraction thus obtained and upgrade thereof

#469
20150352497
2015-12-10

Salt water desalination equipment

#470
20150344340
2015-12-03

Chemical free and energy efficient desalination system

#471
20150336813
2015-11-26

ULTRAPURE WATER PRODUCTING APPARATUS

#472
20150328386
2015-11-19

Fluid purification system

#473
20150298996
2015-10-22

System and method for filtration

#474
20150284271
2015-10-08

Apparatus, systems, and methods for removing total dissolved solids from a fluid

#475
20150276309
2015-10-01

Process and apparatus for separating NOfrom a COand NO—containing fluid

#476
20150275635
2015-10-01

Method and system for enhancing oil recovery (EOR) by injecting treated water into an oil bearing formation

#477
20150251137
2015-09-10

Membrane and electrodialysis based seawater desalination with salt, boron and gypsum recovery

#478
20150203384
2015-07-23

Water treatment process and water treatment system

#479
20150203383
2015-07-23

Water treatment process and water treatment system

#480
20150203382
2015-07-23

Water treatment process and water treatment system

#481
20150203381
2015-07-23

Water treatment process and water treatment system

#482
20150203380
2015-07-23

Water treatment process and water treatment system

#483
20150203379
2015-07-23

Water treatment process and water treatment system

#484
20150175445
2015-06-25

Method and appliance for treating water

#485
20150166369
2015-06-18

Water purification system with automatic flush flow

#486
20150165381
2015-06-18

NANOFILTRATION PROCESS FOR IMPURITY REMOVAL

#487
20150151983
2015-06-04

Energy generation system and related uses thereof

#488
20150147252
2015-05-28

Method for regenerating carbon dioxide absorbing liquid in carbon dioxide recovery method

#489
20150144561
2015-05-28

Blood separation and concentration system

#490
20150136666
2015-05-21

Drinking water vending dispenser facilitated to collect and purify drainage water

#491
20150087877
2015-03-26

Enhancing flux of a microporous hollow fiber membrane

#492
20150068968
2015-03-12

Faucet with built-in filter units

#493
20150059577
2015-03-05

Membrane separation assembly for fuel gas conditioning

#494
20150048027
2015-02-19

Method for high efficiency reverse osmosis operation

#495
20150048024
2015-02-19

Method for treating a waste stream using a bioreactor and a membrane filter

#496
20150034556
2015-02-05

Method and apparatus for treating accompanied water from a well

#497
20150021267
2015-01-22

Preparation method of granular oxide adsorbent, and water treatment method using same

#498
20150014250
2015-01-15

Chlorine measurement/filter testing/brine container monitoring of a water treatment system

#499
20150007719
2015-01-08

Method for treating impurities contained in exhaust gases of ships, ship with exhaust gas scrubber, and purification unit

#500
20150000523
2015-01-01

Aircraft fuel tank flammability reduction methods and systems

#501
20140370003
2014-12-18

Process for concentration of antibodies and therapeutic products thereof

#502
20140360937
2014-12-11

Reverse osmosis treatment device and method for cleaning reverse osmosis treatment device

#503
20140342434
2014-11-20

Removal of contaminating viruses from AAV preparations

#504
20140323771
2014-10-30

Process for preparing acetals and ketals

#505
20140296549
2014-10-02

Membrane-based processes for reducing at least one impurity and making a concentrate comprising at least one natural component from a non-marine fatty acid oil mixture, and compositions resulting thereof

#506
20140291241
2014-10-02

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

#507
20140263013
2014-09-18

Fresh water generation system

#508
20140262989
2014-09-18

Reverse osmosis system with an automated modulated bypass

#509
20140243573
2014-08-28

Oil quality using a microporous hollow fiber membrane

#510
20140231342
2014-08-21

Decontaminant, carbon/polymer composite, decontamination sheet member and filter medium

#511
20140231331
2014-08-21

Method and apparatus for the filtration of biological solutions

#512
20140224734
2014-08-14

Removal of boron from saline water using alkalized NF membrane pretreatment

#513
20140216916
2014-08-07

Membrane distillation device

#514
20140209462
2014-07-31

Desalination system and method

#515
20140197086
2014-07-17

Water treatment systems and methods

#516
20140163264
2014-06-12

Method and apparatus for purifying alcohol

#517
20140158624
2014-06-12

Modular sand filtration—anchor system and wave energy water desalination system incorporating the same

#518
20140151303
2014-06-05

Process for the treatment of contaminated water by means of adsorption and nanofiltration

#519
20140151302
2014-06-05

Method for treating hexavalent chromium-containing aqueous solution

#520
20140131279
2014-05-15

Simultaneous removal of oil and gases from liquid sources using a hollow fiber membrane

#521
20140124442
2014-05-08

Method of membrane separation

#522
20140116941
2014-05-01

Method for removing biopolymer aggregates and viruses from a fluid

#523
20140110339
2014-04-24

Method for high efficiency reverse osmosis operation

#524
20140110338
2014-04-24

Water treatment apparatus and method

#525
20140066682
2014-03-06

Process and apparatus for extracting sulfur compounds in a hydrocarbon stream

#526
20140061130
2014-03-06

Method of heavy metal removal from water streams

#527
20140061129
2014-03-06

SYSTEM AND METHOD OF DESALINATION OF WATER

#528
20140054173
2014-02-27

Electrodialysis unit for water treatment

#529
20140048471
2014-02-20

Module for purifying a fluid containing a cleaning agent, and methods of fabricating and using this kind of module

#530
20140045236
2014-02-13

Method and systems for isolation and/or separation of products from production processes

#531
20140027265
2014-01-30

Fast catalytic pyrolysis with recycle of side products

#532
20140021138
2014-01-23

Filtration system

#533
20140021132
2014-01-23

Water treatment apparatus with circulating flow path and water treatment method using the same

#534
20140017729
2014-01-16

Method for manufacturing a sugar solution by adding a polymer to the starting solution before filtration

#535
20140008306
2014-01-09

Modular sand filtration-anchor system and wave energy water desalinization system incorporating the same

#536
20140008299
2014-01-09

Central pumping and energy recovery in a reverse osmosis system

#537
20140008290
2014-01-09

Filtration filter and production method therefor

#538
20130341270
2013-12-26

Apparatus, systems, and methods for fluid filtration

#539
20130334137
2013-12-19

Non-dispersive oil recovery from oil industry liquid sources

#540
20130327715
2013-12-12

Fluid purification system

#541
20130319943
2013-12-05

Forward osmosis process

#542
20130313190
2013-11-28

Chemical free and energy efficient desalination system

#543
20130312738
2013-11-28

Method for producing sugar solution

#544
20130299426
2013-11-14

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

#545
20130267684
2013-10-10

Method for preparing aqueous solution containing culture medium and chelating agent

#546
20130264284
2013-10-10

System and method for separating solids from fluids

#547
20130248445
2013-09-26

Membrane filtration process with high water recovery

#548
20130248444
2013-09-26

Method for scaling control in a membrane system operation via a control system of a plant

#549
20130240440
2013-09-19

Membrane sensor and method of detecting fouling in a fluid

#550
20130236938
2013-09-12

Biodiesel fuel production, separation methods and systems

#551
20130220792
2013-08-29

Method of treatment of amine waste water and a system for accomplishing the same

#552
20130213892
2013-08-22

Method and control devices for production of consistent water quality from membrane-based water treatment for use in improved hydrocarbon recovery operations

#553
20130212932
2013-08-22

Separation systems for dewatering of fog and biodiesel fuel production

#554
20130206690
2013-08-15

Water Treatment Via Ultrafiltration

#555
20130189668
2013-07-25

Blood separation and concentration system

#556
20130183226
2013-07-18

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

#557
20130168097
2013-07-04

Method and system for enhancing oil recovery (EOR) by injecting treated water into an oil bearing formation

#558
20130161256
2013-06-27

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