ClassID:

30851

B01D2321/185 - CPC Classification

Classification description:

Details relating to membrane cleaning, regeneration, sterilization or to the prevention of fouling; Use of gases Aeration

Recent Application in this class:
#1
20260131288
2026-05-14

WATER PRODUCTION METHOD

#2
20260115678
2026-04-30

GASIFICATION DEVICE

#3
20260077315
2026-03-19

AERATION SYSTEM FOR LIQUID-FILTRATION MEMBRANE MODULE

#4
20260077314
2026-03-19

AERATION SYSTEM FOR LIQUID-FILTRATION MEMBRANE MODULE

#5
20250312746
2025-10-09

MEMBRANE FILTRATION SYSTEM

#6
20250288958
2025-09-18

WATER TREATMENT FACILITY AND METHOD FOR OPERATING WATER TREATMENT FACILITY

#7
20250108335
2025-04-03

BUBBLE GENERATION DEVICE AND LIQUID FILTRATION DEVICE

#8
20250073643
2025-03-06

MULTI-ELEMENT FILTRATION VESSEL

#9
20240278180
2024-08-22

WASTEWATER TREATMENT METHOD

#10
20240123407
2024-04-18

MEMBRANE FILTER AND FILTERING METHOD

#11
20240109106
2024-04-04

Air separation module (ASM) contamination apparatus and removal process

#12
20230340399
2023-10-26

Biological and algae harvesting and cultivation systems and methods

#13
20230285904
2023-09-14

METHOD FOR OPERATING SEPARATION MEMBRANE MODULE, COMPUTER-READABLE RECORDING MEDIUM HAVING PROGRAM RECORDED THEREON, AND WATER PRODUCTION SYSTEM

#14
20230277983
2023-09-07

Membrane gas separator with a built-in valve and the method of its opening and closing

#15
20230271140
2023-08-31

METHOD FOR WASHING HOLLOW FIBER MEMBRANE MODULE

#16
20230242865
2023-08-03

BIOLOGICAL AND ALGAE HARVESTING AND CULTIVATION SYSTEMS AND METHODS

#17
20230092095
2023-03-23

CLEANING METHOD OF MEMBRANE FILTRATION SYSTEM AND MEMBRANE FILTRATION SYSTEM

#18
20230064074
2023-03-02

CONTROLLING BIOFOULING IN WATER PURIFICATION

#19
20230045679
2023-02-09

FLOATING APPARATUS FOR MEMBRANE BIOFILM REACTOR AND PROCESS FOR WATER TREATMENT

#20
20230023338
2023-01-26

Detonator positioning device

#21
20220314172
2022-10-06

Method for introducing a gas and gas introducing device

#22
20220266200
2022-08-25

Method for filtering a liquid and filter device

#23
20220258103
2022-08-18

Detonator positioning device

#24
20220250008
2022-08-11

External pressure type hollow fiber membrane component, filtration membrane component, and membrane filtration module

#25
20220234930
2022-07-28

Method for Purifying Contaminated Water

#26
20220226782
2022-07-21

Systems and techniques for cleaning pressure membrane systems using a water-in-air cleaning stream

#27
20220184558
2022-06-16

FILTRATION APPARATUS

#28
20220088540
2022-03-24

Membrane filter

#29
20210309543
2021-10-07

System and process for removing polyfluorinated pollutants from water

#30
20210236994
2021-08-05

Hollow fiber membrane module and method for cleaning the same

#31
20210220776
2021-07-22

TIGHTLY SPACED FLAT SHEET IMMERSED MEMBRANES AND FINE BUBBLE AERATION

#32
20210187441
2021-06-24

System for the production of molten salt used as a heat transfer medium for a pyrolysis system

#33
20210170340
2021-06-10

Device for cleaning and method for cleaning water treatment membrane, and water treatment system

#34
20210129083
2021-05-06

FILTRATION APPARATUS

#35
20210101811
2021-04-08

AERATED BIOFILM REACTOR HOLLOW FIBRE MEMBRANE

#36
20210060495
2021-03-04

Method and apparatus for passively bubbling gas through liquid

#37
20210009446
2021-01-14

Electrochemical membrane module for selectively removing pollutants and preparation method thereof

#38
20210008502
2021-01-14

Air bubble generation device

#39
20210002158
2021-01-07

Header-equipped air diffusion device, and membrane separation activated sludge device

#40
20210001273
2021-01-07

METHODS, SYSTEMS, AND COMPOSITIONS FOR DELIVERY OF NANOBUBBLES IN WATER TREATMENT SYSTEMS

#41
20200384418
2020-12-10

WATER FILTRATION MODULE INCORPORATING HOLLOW-FIBER FILTRATION ELEMENTS

#42
20200376437
2020-12-03

FILTRATION APPARATUS

#43
20200299636
2020-09-24

Biological and algae harvesting and cultivation systems and methods

#44
20200248134
2020-08-06

Biological and algae harvesting and cultivation systems and methods

#45
20200238218
2020-07-30

Submerged membrane unit diffuser case

#46
20200216330
2020-07-09

Conversion of media filter into membrane gravity filter

#47
20200179878
2020-06-11

Integral type immersed hollow fiber membrane module equipment for air scouring

#48
20200172419
2020-06-04

Water treatment control system

#49
20200114315
2020-04-16

External circulation-type hollow fiber membrane module

#50
20200078741
2020-03-12

MEMBRANE CLEANING WITH PULSED AIRLIFT PUMP

#51
20200061543
2020-02-27

Aeration Device for Filtration System

#52
20200009508
2020-01-09

Gas sparger for an immersed membrane

#53
20200001240
2020-01-02

MEMBRANE SEPARATION DEVICE AND MEMBRANE SEPARATION METHOD

#54
20190366272
2019-12-05

Detonator positioning device

#55
20190345049
2019-11-14

Waste water treatment method using membrane separation-activated sludge

#56
20190336917
2019-11-07

SYSTEM FOR AERATING A SUBMERGED MEMBRANE

#57
20190330587
2019-10-31

Biological and algae harvesting and cultivation systems and methods

#58
20190232226
2019-08-01

CONVERSION OF MEDIA FILTER INTO MEMBRANE GRAVITY FILTER

#59
20190211298
2019-07-11

Biomass membrane contactor

#60
20190209974
2019-07-11

IMPROVED FILTRATION MEMBRANE

#61
20190209970
2019-07-11

Method for producing a membrane filter

#62
20190168165
2019-06-06

MEMBRANE BIOREACTOR SYSTEM

#63
20190151804
2019-05-23

Siphon-type air diffusion device, membrane bioreactor, and water treatment method

#64
20190105610
2019-04-11

Filtration unit

#65
20190039025
2019-02-07

FILTER UNIT

#66
20190015788
2019-01-17

FLAT-SHEET SEPARATION MEMBRANE ELEMENT, ELEMENT UNIT, FLAT-SHEET SEPARATION MEMBRANE MODULE, AND OPERATION METHOD FOR FLAT-SHEET SEPARATION MEMBRANE MODULE

#67
20180369754
2018-12-27

AERATION TUBE AND FILTRATION UNIT

#68
20180333681
2018-11-22

Hollow fiber membrane module and method of cleaning same

#69
20180318770
2018-11-08

Device and method for positioning a detonator within a perforating gun assembly

#70
20180296981
2018-10-18

Cleaning of water filtration membranes

#71
20180282188
2018-10-04

Membrane separation type activated sludge treatment method and system

#72
20180272282
2018-09-27

Aerator apparatus and air diffusion apparatus comprising same

#73
20180243698
2018-08-30

FILTER UNIT

#74
20180229185
2018-08-16

Membrane Filter System

#75
20180221826
2018-08-09

Membrane module system with bundle enclosures and pulsed aeration and method of operation

#76
20180200674
2018-07-19

Aeration device for filtration system

#77
20180185790
2018-07-05

Fluid flow distribution device

#78
20180111097
2018-04-26

METHOD OF OPERATING FILTRATION APPARATUS AND FILTRATION APPARATUS

#79
20180111096
2018-04-26

MEMBRANE SEPARATION TYPE ACTIVATED SLUDGE TREATMENT METHOD AND MEMBRANE SEPARATION TYPE ACTIVATED SLUDGE TREATMENT SYSTEM

#80
20180111095
2018-04-26

Pressure dew point-controlled purge air regulating unit

#81
20180078904
2018-03-22

FILTRATION APPARATUS

#82
20180051350
2018-02-22

Method of producing sugar solution

#83
20180037473
2018-02-08

Conversion of media filter into membrane gravity filter

#84
20180022625
2018-01-25

Process for water treatment using membrane biofilm reactor

#85
20180021734
2018-01-25

WATER TREATMENT SYSTEM AND METHOD FOR TREATING WATER LOCATED IN A WATER RESERVOIR

#86
20170321182
2017-11-09

Biological and algae harvesting and cultivation systems and methods

#87
20170321181
2017-11-09

Biological and algae harvesting and cultivation systems and methods

#88
20170320019
2017-11-09

Membrane cartridge with integrated functions

#89
20170274325
2017-09-28

WATER TREATMENT METHOD

#90
20170232403
2017-08-17

FILTRATION MODULE AND FILTRATION APPARATUS

#91
20170232396
2017-08-17

Control method for a filter system

#92
20170173538
2017-06-22

ENCLOSURE ASSEMBLY AND FILTRATION MODULE FOR FILTERING FLUID

#93
20170128889
2017-05-11

FILTRATION APPARATUS, AND IMMERSION-TYPE FILTRATION METHOD USING SAME

#94
20170120197
2017-05-04

INTERMITTENT-BUBBLING DEVICE

#95
20170120196
2017-05-04

FILTRATION APPARATUS

#96
20170113188
2017-04-27

Membrane cleaning with pulsed airlift pump

#97
20170095773
2017-04-06

Method of operating membrane filter

#98
20170087518
2017-03-30

Membrane filter and filtering method

#99
20160375408
2016-12-29

Submerged-type filtration apparatus

#100
20160356132
2016-12-08

Device and method for positioning a detonator within a perforating gun assembly

#101
20160310905
2016-10-27

Gas sparger for an immersed membrane

#102
20160303515
2016-10-20

FILTER SYSTEM AND VESSEL FOR THE FILTER SYSTEM

#103
20160280573
2016-09-29

Adjustable variable bubble size aeration for submerged membrane air scour

#104
20160256831
2016-09-08

Integrated gas sparger for an immersed membrane

#105
20160220963
2016-08-04

Membrane module system with bundle enclosures and pulsed aeration and method of operation

#106
20160207004
2016-07-21

Membrane filter and filtering method

#107
20160207002
2016-07-21

SPIRAL AERATOR AND HOLLOW FIBER MEMBRANE MODULE HAVING SAME

#108
20160145130
2016-05-26

Water treatment device

#109
20160121270
2016-05-05

FILTRATION APPARATUS AND IMMERSION-TYPE FILTRATION METHOD USING THE APPARATUS

#110
20160114292
2016-04-28

Membrane module system with bundle enclosures and pulsed aeration and method of operation

#111
20160106296
2016-04-21

FILTER MODULE WITH END CAPS INCLUDING INTEGRAL VALVES

#112
20160051937
2016-02-25

Method for cleaning hollow fiber membrane module

#113
20160051936
2016-02-25

CENTRAL BAFFLE AND PRESSURE-TYPE HOLLOW FIBER MEMBRANE MODULE COMPRISING THE SAME AND ITS CLEANING METHOD

#114
20150344337
2015-12-03

Separation membrane module

#115
20150336057
2015-11-26

Open bottom multiple channel gas delivery device for immersed membranes

#116
20150328587
2015-11-19

Filtering apparatus

#117
20150321934
2015-11-12

WATER PRODUCTION METHOD

#118
20150298035
2015-10-22

System for reducing product losses, product dilution, chemical dilution and water consumption in a crossflow membrane separation system

#119
20150290590
2015-10-15

AERATION DEVICE, OPERATION METHOD THEREFOR, AND WATER TREATMENT APPARATUS

#120
20150290563
2015-10-15

Open bottom multiple channel gas delivery device for immersed membranes

#121
20150265980
2015-09-24

AIR DIFFUSION DEVICE, AIR DIFFUSION METHOD, AND WATER TREATMENT DEVICE

#122
20150265973
2015-09-24

Gas scouring apparatus for immersed membranes

#123
20150246377
2015-09-03

WASHING MACHING INCLUDING INTEGRAL FILTER MODULE AND AERATOR

#124
20150238905
2015-08-27

Membrane securement device

#125
20150225261
2015-08-13

Osmotic separation systems and methods

#126
20150182919
2015-07-02

Aerator device and filter system including the same

#127
20150151224
2015-06-04

Aeration diffuser for pressurized liquid treatment module and method of operating same

#128
20150144555
2015-05-28

Filtration apparatus

#129
20150122715
2015-05-07

Fluid control manifold for membrane filtration system

#130
20150021266
2015-01-22

Operating method for membrane separation device and membrane separation device

#131
20150008175
2015-01-08

Transverse-mounted membrane filtration apparatus

#132
20140332467
2014-11-13

Method for cleaning a filter

#133
20140319037
2014-10-30

Aeration unit and filtering apparatus comprising the same

#134
20140158618
2014-06-12

Membrane cleaning with pulsed airlift pump

#135
20140083940
2014-03-27

Membrane cleaning with pulsed airlift pump

#136
20140076806
2014-03-20

Aerator device, filter system including an aerator device, and method of aerating a filter using an aerator device

#137
20140054218
2014-02-27

System to Reduce the Fouling of a Catalytic Seawater Deoxygenation Unit

#138
20140042084
2014-02-13

METHOD AND APPARATUS FOR CLEANING A FILTRATION CASSETTE OF A MEMBRANE BIO-REACTOR

#139
20130299413
2013-11-14

Membrane separation device

#140
20130299412
2013-11-14

Membrane separation device

#141
20130213886
2013-08-22

System and method for filtration

#142
20130175217
2013-07-11

Pulse aeration for immersed membranes

#143
20130146548
2013-06-13

IMMERSED SCREEN AND METHOD OF OPERATION

#144
20130118966
2013-05-16

Fixing member and membrane module unit

#145
20130075322
2013-03-28

Cleaning device of membrane filtration apparatus

#146
20130069256
2013-03-21

Method and apparatus to keep an aerator full of air

#147
20130048560
2013-02-28

Membrane filter system

#148
20130043189
2013-02-21

Filtration device having internal recirculation

#149
20130043188
2013-02-21

CONTROL OF IMMERSED MEMBRANE SYSTEM CONSIDERING ENERGY COST FLUCTUATIONS

#150
20130037467
2013-02-14

Fluid flow distribution device

#151
20130032526
2013-02-07

Membrane unit and membrane separation device

#152
20130020261
2013-01-24

FILTERING METHOD OF WATER TO BE TREATED

#153
20130020245
2013-01-24

Device for treatment of waste liquid

#154
20130015131
2013-01-17

METHOD FOR WASHING SEPARATION MEMBRANE MODULE AND METHOD FOR GENERATING FRESH WATER

#155
20130015130
2013-01-17

PULSE AERATION FOR IMMERSED MEMBRANES

#156
20130001162
2013-01-03

Apparatus, System, and Method for Forward Osmosis in Water Reuse

#157
20120325742
2012-12-27

Gas sparger for a filtering membrane

#158
20120311796
2012-12-13

APPARATUS AND METHOD FOR PRODUCTION OF NATURAL DYE

#159
20120292248
2012-11-22

Hollow-fibre membrane module

#160
20120285885
2012-11-15

MEMBRANE CLEANING WITH PULSED GAS SLUGS

#161
20120285874
2012-11-15

IMMERSION TYPE MEMBRANE MODULE UNIT AND MEMBRANE SEPARATION ACTIVATED SLUDGE PROCESS EQUIPMENT

#162
20120267307
2012-10-25

Osmotic separation systems and methods

#163
20120228238
2012-09-13

Nozzle device and nozzle for atomisation and/or filtration and methods for using the same

#164
20120223005
2012-09-06

Membrane module, membrane unit, and membrane separation device

#165
20120187048
2012-07-26

SYSTEMS AND METHODS FOR SCOURING MEMBRANE BIOREACTORS

#166
20120187044
2012-07-26

METHODS OF CLEANING MEMBRANE MODULES

#167
20120152862
2012-06-21

Non-blocking filtration system

#168
20120111784
2012-05-10

FILTRATION PURPOSE FLAT-MEMBRANE ELEMENT, FLAT-MEMBRANE-TYPE SEPARATION MEMBRANE MODULE, AND FILTRATION APPARATUS

#169
20120103904
2012-05-03

SEPARATION MEMBRANE MODULE FOR OIL-CONTAINING WASTEWATER TREATMENT, OIL-CONTAINING WASTEWATER TREATMENT METHOD, AND OIL-CONTAINING WASTEWATER TREATMENT APPARATUS

#170
20120103881
2012-05-03

WATER TREATMENT PLANT WITH IMMERSED MEMBRANES

#171
20120094361
2012-04-19

Method of Separation of Algal Biomass from Aqueous or Marine Culture

#172
20120091602
2012-04-19

Integrated gas sparger for an immersed membrane

#173
20120090641
2012-04-19

Method for cleaning filtering membrane

#174
20120074059
2012-03-29

CLEANING METHOD FOR FILTRATION MEMBRANE AND MEMBRANE FILTRATION APPARATUS

#175
20120074053
2012-03-29

Fluid control manifold for membrane filtration system

#176
20120061333
2012-03-15

Membrane cleaning with pulsed airlift pump

#177
20110303594
2011-12-15

Flat plate membrane bioreactor with a liquid air separator

#178
20110272335
2011-11-10

IMMERSED MEMBRANE CASSETTE AND METHOD OF OPERATION

#179
20110220572
2011-09-15

FILTERING SYSTEM AND METHOD

#180
20110198283
2011-08-18

Membrane cleaning with pulsed airlift pump

#181
20110198277
2011-08-18

FILTRATION APPARATUS

#182
20110192794
2011-08-11

Advanced filtration device for water and wastewater treatment

#183
20110133348
2011-06-09

Diffuser for aeration

#184
20110132830
2011-06-09

HOLLOW YARN FILM FILTERING APPARATUS

#185
20110100912
2011-05-05

IMMERSION TYPE MEMBRANE SEPARATOR DEVICE

#186
20110100907
2011-05-05

Membrane cleaning with pulsed airlift pump

#187
20110100895
2011-05-05

Membrane module for fluid filtration

#188
20110094964
2011-04-28

MEMBRANE FILTER FOR WATER TREATMENT

#189
20110083285
2011-04-14

APPARATUS AND METHOD FOR PRODUCTION OF NATURAL DYE

#190
20110079548
2011-04-07

HOLLOW YARN FILM FILTERING APPARATUS

#191
20110067737
2011-03-24

Method and apparatus for cleaning a film seperating device

#192
20110062074
2011-03-17

Hollow fiber membrane module with covered membrane outer periphery

#193
20110049047
2011-03-03

Gas sparger for an immersed membrane

#194
20110042312
2011-02-24

Real-time process control for an immersed membrane filtration system using a control hierarchy of discrete-state parameter changes

#195
20110036767
2011-02-17

Water processor

#196
20110006003
2011-01-13

Cyclic aeration system for submerged membrane modules

#197
20110000836
2011-01-06

Efficient arrangement of membrane bioreactors

#198
20100326897
2010-12-30

MEMBRANE FILTRATION MODULE WITH ADJUSTABLE HEADER SPACING

#199
20100300968
2010-12-02

MEMBRANE CLEANING WITH PULSED GAS SLUGS

#200
20100300947
2010-12-02

Membrane module and membrane bioreactor, water treatment equipment using the same

#201
20100282655
2010-11-11

Submerged membrane separator

#202
20100276835
2010-11-04

Method of Manufacturing an Air Hole of Hollow Fiber Membrane Module for Water Treatment

#203
20100264084
2010-10-21

Apparatus for water treatment and method of treating water

#204
20100252501
2010-10-07

Quick connect modular water purification system

#205
20100237014
2010-09-23

MEMBRANE MODULE WITH MULTIPLE BOTTOM HEADERS AND FILTRATION PROCESS

#206
20100224545
2010-09-09

Membrane Module for Fluid Filtration

#207
20100224541
2010-09-09

Fine bubble diffusing pipe, fine bubble diffusing apparatus, and submerged membrane separation apparatus

#208
20100224540
2010-09-09

Membrane module for fluid filtration

#209
20100218789
2010-09-02

Submerged membrane separation apparatus, cleaning method for diffusing apparatus, and method for membrane separation

#210
20100213125
2010-08-26

PERVAPORATION PROCESS AND APPARATUS FOR CARRYING OUT SAME

#211
20100213124
2010-08-26

SUBMERGED MEMBRANE SEPARATION APPARATUS AND METHOD FOR OPERATION THEREOF

#212
20100200505
2010-08-12

MEMBRANE FILTER FOR WATER TREATMENT

#213
20100200503
2010-08-12

CLEANING METHOD FOR SIMPLE FILTRATION SYSTEMS

#214
20100186777
2010-07-29

Method of cleaning air diffuser apparatus

#215
20100140191
2010-06-10

METHOD AND APPARATUS FOR SEPARATION OF SOLIDS AND LIQUID SUSPENSIONS BY FILTER UNCLOGGING AIDED FILTRATION

#216
20100096325
2010-04-22

METHOD OF OPERATING MEMBRANE SEPARATOR

#217
20100051545
2010-03-04

MEMBRANE MODULE PROTECTION

#218
20100025327
2010-02-04

Cyclic aeration system for submerged membrane modules

#219
20100013110
2010-01-21

Device for gassing a liquid

#220
20100012585
2010-01-21

MEMBRANE FILTRATION PROCESS AND DESIGN

#221
20100000941
2010-01-07

Simple gas scouring method and apparatus

#222
20090321332
2009-12-31

CAPILLARY MEMBRANE FILTRATION MODULE

#223
20090314706
2009-12-24

Cartridge module of hollow fiber membranes

#224
20090314704
2009-12-24

Membrane module for immersed operation

#225
20090308797
2009-12-17

Hollow fiber membrane module and method for making thereof

#226
20090299651
2009-12-03

FILTRATION TESTING SYSTEM

#227
20090266763
2009-10-29

Water treatment apparatus and water treatment method

#228
20090255872
2009-10-15

AERATING DEVICE FOR A WATER FILTERING SYSTEM WITH IMMERSED MEMBRANES, INCLUDING A FLOOR PROVIDED WITH MEANS FOR INJECTING A GAS AND AT LEAST ONE PRESSURE BALANCING SYSTEM

#229
20090242484
2009-10-01

ENVIRONMENTALLY FRIENDLY HYBRID MICROBIOLOGICAL CONTROL TECHNOLOGIES FOR COOLING TOWERS

#230
20090236280
2009-09-24

Filtration apparatus

#231
20090236275
2009-09-24

Water treatment system

#232
20090229632
2009-09-17

Apparatus and method for cleaning pipelines, tubing and membranes using two-phase flow

#233
20090223895
2009-09-10

Method of cleaning membrane modules

#234
20090223891
2009-09-10

SYSTEM, DEVICE AND METHOD FOR ON-SITE WASTEWATER PROCESSING

#235
20090218299
2009-09-03

INVERTED AERATED IMMERSED SCREEN, SCREEN ASSEMBLY AND OPERATING PROCESS

#236
20090206036
2009-08-20

Method for cleaning reclaimed water reuse device

#237
20090194477
2009-08-06

Intermittent gas flow apparatus and membrane separation apparatus

#238
20090193970
2009-08-06

COrecovery system and method of cleaning filtration membrane apparatus

#239
20090152198
2009-06-18

MEMBRANE FILTER FOR WATER TREATMENT

#240
20090152179
2009-06-18

Method for blowing free a wetted hydrophobic filter, and device for carrying out the method

#241
20090134092
2009-05-28

MEMBRANE FILTRATION DEVICE AND PROCESS

#242
20090127188
2009-05-21

Waste gas/wastewater treatment equipment and method of treating waste gas/wastewater

#243
20090107916
2009-04-30

MODULE CLEANING METHOD

#244
20090101569
2009-04-23

Sludge filtration apparatus and filter assembly thereof

#245
20090101560
2009-04-23

HYDROFLUORIC ACID TREATMENT APPARATUS

#246
20090071901
2009-03-19

SYSTEM AND METHOD FOR FILTERING LIQUIDS

#247
20090051057
2009-02-26

Diffuser for aeration

#248
20090050555
2009-02-26

Permselective membrane module and method for manufacturing the same

#249
20090032460
2009-02-05

Wastewater treatment method and wastewater treatment equipment

#250
20090026139
2009-01-29

SUBMERGED CROSS-FLOW FILTRATION

#251
20090020475
2009-01-22

Filtration method and apparatus

#252
20090014387
2009-01-15

Method for wastewater treatment

#253
20090001018
2009-01-01

Operating Strategies in Filtration Processes

#254
20080314833
2008-12-25

COAGULANT DOSING PROCESS FOR MEMBRANE FILTRATION

#255
20080314829
2008-12-25

Dynamic control of membrane bioreactor system

#256
20080277340
2008-11-13

Method for controlling fouling of a membrane filter

#257
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2008-10-30

Method for cleaning hollow tubing and fibers

#258
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2008-10-23

Reduced Backwash Volume Process

#259
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2008-10-16

Cyclic aeration system for submerged membrane modules

#260
20080245712
2008-10-09

Condensate filtering device

#261
20080237145
2008-10-02

Method and Apparatus for the Photocatalytic Treatment of Fluids

#262
20080230474
2008-09-25

System and method for filtering water and/or wastewater

#263
20080230466
2008-09-25

Submerged hollow fiber membrane module

#264
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2008-09-11

Nozzle device and nozzle for atomisation and/or filtration and methods for using the same

#265
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2008-09-04

Square membrane manifold system

#266
20080190847
2008-08-14

Apparatus and Method

#267
20080164208
2008-07-10

Integrated permeate channel membrane

#268
20080156745
2008-07-03

Continuously variable aeration

#269
20080135497
2008-06-12

Membrane Filter System Comprising Parallel Cross-Flow Filter Modules

#270
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2008-05-29

Filter System for Water and Waste Water

#271
20080116128
2008-05-22

Hollow fiber membrane cartridge

#272
20080105615
2008-05-08

Membrane-cleaning method for membrane bioreactor process

#273
20080093299
2008-04-24

Membrane filtration module with adjustable header spacing

#274
20080093297
2008-04-24

Filtration System

#275
20080093296
2008-04-24

Separation of Solid Particles from the Liquid in Which They are Dispersed

#276
20080073285
2008-03-27

Reclaimed water reuse device

#277
20080073214
2008-03-27

Electrodialysis apparatus and electrodialysis method using the same

#278
20080067127
2008-03-20

Method of sewage treatment and sewage treatment apparatus

#279
20080053923
2008-03-06

Methods and apparatus for removing solids from a membrane module

#280
20080035563
2008-02-14

Immersed-Membrane Water Treating Filtering Device Comprising Means Preventing Filterable Medium Backflowing to Filter Cleaning Gas Injecting Means

#281
20080000832
2008-01-03

Membrane bioreactor having single header membrane module

#282
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2007-12-27

CLEANING HOLLOW CORE MEMBRANE FIBERS USING VIBRATION

#283
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2007-12-20

Method and Apparatus for Separation of Solids and Liquid Suspensions by Filter Unclogging Aided Filtration

#284
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2007-12-20

Air scouring for immersed membranes

#285
20070246424
2007-10-25

Process For Producing Ship Ballast Water, Ship Ballast Water Producing Apparatus And Use Thereof

#286
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2007-10-25

Hollow fiber membrane filter with a supporting structure

#287
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2007-10-04

Reduction of backwash liquid waste

#288
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2007-09-13

Method for membrane backwashing and backwashing apparatus

#289
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2007-09-06

Membrane module for immersed operation

#290
20070193953
2007-08-23

Method for aerating membrane modules

#291
20070187326
2007-08-16

Membrane filter cleaning method and installation for implementing same

#292
20070175810
2007-08-02

Sludge flocculator-separator for the physico-chemical treatment of water

#293
20070170106
2007-07-26

Installation and method for the treatment of sewage sludge, and membrane unit

#294
20070163959
2007-07-19

Screening apparatus for water treatment with membranes

#295
20070163942
2007-07-19

Hollow fiber membrane module

#296
20070151916
2007-07-05

NETWORK FOR SUPPORTING SPIRAL WOUND MEMBRANE CARTRIDGES FOR SUBMERGED OPERATION

#297
20070144969
2007-06-28

METHOD AND SYSTEM FOR FILTERING SEDIMENT-BEARING FLUIDS

#298
20070138070
2007-06-21

Process and energy-efficient biological treatment system with filtration membrane

#299
20070131614
2007-06-14

Low pressure filtration

#300
20070125697
2007-06-07

Submerged hollow fiber membrane module