ClassID:

28769

B01D21/0084 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation Enhancing liquid-particle separation using the flotation principle

Recent Application in this class:
#1
20250296108
2025-09-25

PALLET COATING WASTE RECOVERY SYSTEM

#2
20250263310
2025-08-21

TREATING PER- AND POLY-FLUOROALKYL SUBSTANCES IN LANDFILL LEACHATE

#3
20250206619
2025-06-26

GRAPHITIC CARBON SEPARATION AND PURIFICATION

#4
20250187944
2025-06-12

ALGAE SEPARATION SYSTEM

#5
20250093353
2025-03-20

METHOD AND SYSTEM FOR BUOYANT-PARTICLE-ASSISTED CELL THERAPY

#6
20250066232
2025-02-27

MULTI-STAGE WASHER INCLUDING A WATER TREATMENT SYSTEM

#7
20250018316
2025-01-16

METHOD AND SYSTEM FOR BUOYANT SEPARATION

#8
20250011900
2025-01-09

METHOD FOR RECYCLING IRON ORE TAILING AND USE THEREOF

#9
20240367073
2024-11-07

SYSTEM FOR CLARIFYING PROCESS WATER IN OIL AND GAS OPERATIONS

#10
20240335769
2024-10-10

DENSITY-BASED SEPARATOR

#11
20240286925
2024-08-29

SYSTEM FOR ESTABLISHING A DIGITAL INTERCONNECTION BETWEEN VESSELS FOR COLLECTION OF MICRO-PLASTICS IN A SECURED WAY

#12
20240139652
2024-05-02

Solids Removal System and Method

#13
20230314428
2023-10-05

Method and system for buoyant-particle-assisted cell therapy

#14
20230295022
2023-09-21

SAMPLING DEVICE FOR COAGULATION TREATMENT DEVICE, COAGULATION TREATMENT DEVICE, AND WATER TREATMENT METHOD

#15
20230212036
2023-07-06

FLOTATION CELL FOR WATER TREATMENT

#16
20230182043
2023-06-15

Method and system for buoyant separation

#17
20230139452
2023-05-04

PARTIALLY SUBMERGED FOAM FRACTIONATION SYSTEM

#18
20230127819
2023-04-27

Treating per- and poly-fluoroalkyl substances in landfill leachate

#19
20230085131
2023-03-16

PALLET COATING WASTE RECOVERY SYSTEM

#20
20220404288
2022-12-22

Bubble measurement device

#21
20220396680
2022-12-15

Method of Separating a First Contaminant from a Feed Stream and Reactor System for Carrying Out the Method

#22
20220371934
2022-11-24

WASTEWATER TREATMENT APPARATUS

#23
20220371922
2022-11-24

Systems and methods for activating and dewatering sludge using acoustic pressure shock waves

#24
20220339586
2022-10-27

Treating fluids recovered from well operations using a graphene oxide coated membrane

#25
20220161158
2022-05-26

Method and system for buoyant separation

#26
20220041469
2022-02-10

Algae separation system

#27
20210394088
2021-12-23

Wastewater dissolved-air floatation apparatus combined with precipitation tank having sloped plates

#28
20210331941
2021-10-28

Apparatus, systems, and methods for improving slop water treatment efficiency

#29
20210322931
2021-10-21

ZWITTERIONIC POLYELECTROLYTE COATED FILTRATION MEDIUM FOR FRACTURING FLUID AND DRILLING MUD TREATMENT

#30
20210322930
2021-10-21

ZWITTERIONIC POLYELECTROLYTE COATED FILTRATION MEDIUM FOR SLOP WATER TREATMENT

#31
20210253984
2021-08-19

Process to improve protein recovery in stillage processing streams

#32
20210178293
2021-06-17

Rake-free thickening device including driving area

#33
20210130194
2021-05-06

Saturator and water treating apparatus including the same

#34
20210078017
2021-03-18

ENVIRONMENTALLY FRIENDLY FLOTATION AGENT

#35
20200385279
2020-12-10

Systems and methods of producing potassium sulfate

#36
20200376526
2020-12-03

Ultrafine bubble cleaning method using ultrafine bubble-containing liquid, apparatus therefor, and dissolved air floatation apparatus

#37
20200308013
2020-10-01

Systems and methods of producing potassium sulfate

#38
20200223729
2020-07-16

Bio-DAF system for domestic and industrial wastewater treatment

#39
20200222914
2020-07-16

Process to treat phosphate ores

#40
20200188815
2020-06-18

Animal byproduct recovery system

#41
20200155971
2020-05-21

Flotation device

#42
20200038781
2020-02-06

Separator for separating solids from an influent

#43
20200002208
2020-01-02

System and method to remove micro plastic material from water environments

#44
20190345200
2019-11-14

Peptide and use thereof

#45
20190330083
2019-10-31

SYSTEMS AND METHODS FOR ACTIVATING AND DEWATERING SLUDGE USING ACOUSTIC PRESSURE SHOCK WAVES

#46
20190330082
2019-10-31

Systems and methods for separating surface materials from a fluid using acoustic pressure shock waves

#47
20190291052
2019-09-26

BACTERIA MICROTRAPS

#48
20190256393
2019-08-22

System and method for treating and recycling process water

#49
20190233316
2019-08-01

Animal byproduct recovery system

#50
20190070527
2019-03-07

INDUCED GAS FLOTATION FOR SEPARATION FACILITY

#51
20190060913
2019-02-28

ULTRAFINE BUBBLE CLEANING METHOD USING ULTRAFINE BUBBLE-CONTAINING LIQUID, APPARATUS THEREFOR, AND DISSOLVED AIR FLOATATION APPARATUS

#52
20180371739
2018-12-27

Total suspended solids reduction system

#53
20180370806
2018-12-27

Purified Silicon, Devices and Systems for Producing Same

#54
20180290077
2018-10-11

Method and system for buoyant separation

#55
20180193774
2018-07-12

Floating chopper sludge weir

#56
20180099890
2018-04-12

Automated wastewater treatment system and methods

#57
20180072588
2018-03-15

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

#58
20180050944
2018-02-22

METHODS FOR RECLAIMING PRODUCED WATER

#59
20180016151
2018-01-18

Purified silicon, devices and systems for producing same

#60
20170240448
2017-08-24

INTEGRATED SYSTEM FOR CHEMICAL REACTION, SEDIMENTATION AND OXIDATION IN WATER TREATMENT PROCESSES

#61
20170209814
2017-07-27

System and method for treating liquids and solutions to remove and/or separate components thereof using stabilized gas infused liquids

#62
20170197841
2017-07-13

Purified silicon, devices and systems for producing same

#63
20170144170
2017-05-25

UNDERFROTH WASHING IN FROTH FLOTATION

#64
20170128857
2017-05-11

Acoustic manipulation of particles in standing wave fields

#65
20170120258
2017-05-04

Methods, devices, systems and processes for upgrading iron oxide concentrates using reverse flotation of silica at a natural pH

#66
20170072408
2017-03-16

ULTRAFINE BUBBLE CLEANING METHOD USING ULTRAFINE BUBBLE-CONTAINING LIQUID, APPARATUS THEREFOR, AND DISSOLVED AIR FLOATATION APPARATUS

#67
20170066671
2017-03-09

Method and system for treatment of agricultural and industrial wastewaters containing solids and nutrients

#68
20170066663
2017-03-09

Systems and methods for separating heavy water from normal water using acoustic pressure shock waves

#69
20170066660
2017-03-09

Flowfield sensors for monitoring liquid flow

#70
20170065984
2017-03-09

SYSTEM AND METHOD FOR AUTOMATED FOAM FRACTIONATOR OPTIMIZATION

#71
20170057844
2017-03-02

Membrane cleaning and desalination with a membrane using acoustic pressure shock waves

#72
20170057843
2017-03-02

Water desalination using freeze crystallization and acoustic pressure shock waves

#73
20170036923
2017-02-09

Acoustic pressure shock wave devices and methods for fluids processing

#74
20170029291
2017-02-02

Method and device for treating liquid sludge and filter cakes obtained by said method

#75
20160376182
2016-12-29

Method and device for treating an organic effluent

#76
20160339360
2016-11-24

Acoustic manipulation of particles in standing wave fields

#77
20160326016
2016-11-10

Multibubble injection type dissolved air flotation water treatment apparatus

#78
20160297689
2016-10-13

SEPARATION APPARATUS AND PROCESSES

#79
20160264442
2016-09-15

NUTRIENT CONCENTRATION AND WATER RECOVERY SYSTEM AND ASSOCIATED METHODS

#80
20160263494
2016-09-15

METHOD AND APPARATUS FOR TREATMENT OF OIL BASED DRILLING FLUID

#81
20160236160
2016-08-18

Microbubble generating device and contaminated water purifying system provided with microbubble generating device

#82
20160222474
2016-08-04

METHOD AND INSTALLATION FOR PURIFYING A LIQUID PRODUCT

#83
20160216179
2016-07-28

Density phase separation device

#84
20160216178
2016-07-28

Density phase separation device

#85
20160214036
2016-07-28

Method and apparatus for treating a feed stream for a flotation device

#86
20160167998
2016-06-16

Method for treating water containing organic matter using ion exchange and ballasted flocculation

#87
20160129373
2016-05-12

System and method to process effluent brine and interface rag from an oil dehydration/desalting system

#88
20160075583
2016-03-17

Solids removal system and method

#89
20150251925
2015-09-10

SATURATOR AND WATER TREATING APPARATUS INCLUDING THE SAME

#90
20150218012
2015-08-06

WATER TREATMENT PROCESS COMPRISING FLOATATION COMBINED WITH GRAVITY FILTRATION, AND CORRESPONDING EQUIPMENT

#91
20150202634
2015-07-23

DISSOLVED GAS FLOTATION APPARATUS

#92
20150114910
2015-04-30

Apparatus and method for cleaning water

#93
20150083663
2015-03-26

SYSTEM FOR ENHANCED RECLAIMED WATER RECOVERY

#94
20150083648
2015-03-26

System to process effluent brine and interface rag from an oil dehydration/desalting system

#95
20140238930
2014-08-28

Density phase separation device

#96
20140144815
2014-05-29

Composition and method for improvement in froth flotation

#97
20140014562
2014-01-16

Dissolved air flotation-type pretreatment apparatus

#98
20130306571
2013-11-21

Controlling froth flotation

#99
20130299405
2013-11-14

Dewatering system

#100
20130284019
2013-10-31

Method and apparatus for treating process water

#101
20130220891
2013-08-29

Apparatus and methods for removing hydrocarbons and other adherents from sand

#102
20130126448
2013-05-23

Solids removal system and method

#103
20130092605
2013-04-18

Froth flotation processes

#104
20130092604
2013-04-18

Froth flotation processes

#105
20130092603
2013-04-18

Collector compositions and methods of using the same

#106
20130082005
2013-04-04

Method to process effluent brine and interface rag from an oil dehydration/desalting system

#107
20130068666
2013-03-21

Flotation process for recovering feldspar from a feldspar ore

#108
20130062288
2013-03-14

PROGRAMMABLE FLUID TREATMENT SYSTEM AND METHOD

#109
20130062272
2013-03-14

Device for purifying oily wastewater

#110
20120152850
2012-06-21

Sedimentation and floatation wastewater treatment device with a heater

#111
20120125836
2012-05-24

Separation apparatus and processes

#112
20120006762
2012-01-12

Solids removal system and method

#113
20110233144
2011-09-29

Solids removal system and method

#114
20110168021
2011-07-14

Settling device, purifier comprising a settling device and methods for anaerobic or aerobic purification of waste water

#115
20100236999
2010-09-23

Scum removing apparatus

#116
20100187186
2010-07-29

Systems and methods for liquid separation

#117
20100155343
2010-06-24

Density phase separation device

#118
20100116753
2010-05-13

Dewatering system

#119
20070289912
2007-12-20

Circular clarifier apparatus and method

#120
20070289911
2007-12-20

Relocatable countercurrent decantation system

#121
20070256964
2007-11-08

Separator device

#122
20060151367
2006-07-13

Air activated decanter

#123
20050199555
2005-09-15

Circular clarifier apparatus and method

#124
20050045546
2005-03-03

Sand catcher

#125
20050016934
2005-01-27

Poultry processing water recovery and re-use process

#126
18743123
2024-11-26

Device and method for controlling diffusion of MPs carried with ARGs in waste water treatment system

#127
15155037
2016-12-13

Separation of biocomponents from whole stillage