ClassID:

28817

B01D21/32 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Control equipment Density control of clear liquid or sediment, e.g. optical control ; Control of physical properties

Recent Application in this class:
#1
20240400913
2024-12-05

METHOD AND SYSTEM FOR PRODUCING AT LEAST ONE OIL PRODUCT FROM WASTE OIL

#2
20240343611
2024-10-17

METHODS FOR DYNAMICALLY VARYING CHEMICAL ADDITIVE FLOWRATE TO TREAT WASTEWATER IN REAL TIME AND SYSTEMS FOR PERFORMING THE SAME

#3
20240066437
2024-02-29

Detection and recovery of metals from ore

#4
20230212036
2023-07-06

FLOTATION CELL FOR WATER TREATMENT

#5
20230120957
2023-04-20

Sand setting circulating device for wave-current tank test tailings

#6
20230040989
2023-02-09

Treatment of Multiphase Hydrocarbon-Containing Fluid in Oil and/or Gas Production

#7
20220410038
2022-12-29

Purification of oil

#8
20220324739
2022-10-13

Tailings settling-dewatering-solidifying device and experimental method thereof

#9
20220305409
2022-09-29

Method for Removing Solids Submerged in a Polymer-Based Slurry

#10
20220249984
2022-08-11

Low-energy dynamic filter

#11
20220152529
2022-05-19

Immersed active infrared self-cleaning secondary sedimentation tank sludge blanket induction device and application method thereof

#12
20210308637
2021-10-07

Oilfield deep well processing and injection facility and methods

#13
20210299595
2021-09-30

Differential pressure based automated sand detection and handling system for oil and gas well operations

#14
20210252431
2021-08-19

AUTOMATED SAND DETECTION AND HANDLING SYSTEM FOR OIL AND GAS WELL OPERATIONS

#15
20210146298
2021-05-20

Flue gas cleaning solution purification system and method thereof

#16
20210101094
2021-04-08

Purification of oil

#17
20200346958
2020-11-05

Reactor and method for biological treatment of wastewater

#18
20200290903
2020-09-17

Auto jartest analyzer

#19
20200261828
2020-08-20

Deep cone thickener with underflow concentration rapid auto-adjustment

#20
20200155974
2020-05-21

Low-energy dynamic filter

#21
20200129887
2020-04-30

Method and arrangement for controlling a dewatering process

#22
20200079661
2020-03-12

System, apparatus, and method for treating wastewater in real time

#23
20200056102
2020-02-20

Purification of oil

#24
20200016611
2020-01-16

CENTRIFUGAL SOLIDS SEPARATOR

#25
20190299129
2019-10-03

Turbid matter separating apparatus, turbid matter separating method, and turbid matter separating system

#26
20190265146
2019-08-29

Apparatus and method for static sedimentation tests comprising a plurality of sedimentation cylinders, which are subject to the same mixing conditions

#27
20180099890
2018-04-12

Automated wastewater treatment system and methods

#28
20180050919
2018-02-22

PROCESS FOR MANUFACTURING AN AQUEOUS SODIUM CHLORIDE SOLUTION

#29
20180037471
2018-02-08

WASTEWATER TREATMENT SYSTEM

#30
20180036686
2018-02-08

WATER QUALITY MONITORING DEVICE, WATER TREATMENT DEVICE, WATER TREATMENT SYSTEM, WATER QUALITY MONITORING METHOD, AND PROGRAM

#31
20170341953
2017-11-30

WASTEWATER TREATMENT SYSTEM

#32
20170297940
2017-10-19

METHOD FOR A TREATMENT OF WATER BY ADSORPTION ON ACTIVE CARBON AND CLARIFICATION, AND CORRESPONDING PLANT

#33
20170001876
2017-01-05

Process and installation for producing alumina trihydrate by alkaline digestion of bauxite ore

#34
20170001129
2017-01-05

Settler for decanting mineral slurries and method for separating clarified liquid from thickened slurry of said mineral slurries

#35
20160356691
2016-12-08

Apparatus and method for static sedimentation tests comprising a plurality of sedimentation cylinders, which are subject to the same mixing conditions

#36
20160250570
2016-09-01

FEED CONDITIONING AUTOMATION

#37
20160074777
2016-03-17

METHOD TO SELF-CLEAN AN IFS USING SUPERNATANT FROM ANOTHER CLARIFICATION TANK

#38
20150048023
2015-02-19

Bioreactor and the waste water treatment method

#39
20150048012
2015-02-19

Bioreactor

#40
20140298715
2014-10-09

GRAVITATIONAL SETTLING TANK AND ASH-FREE COAL PRODUCTION METHOD USING THE SAME

#41
20140202929
2014-07-24

Systems and methods for monitoring and controlling desalting in a crude distillation unit

#42
20140048495
2014-02-20

Removal device in particular for micro-bubbles, volatile compounds and dirt

#43
20130270183
2013-10-17

Hydrocarbons environmental processing system method and apparatus

#44
20130220922
2013-08-29

Method and system for monitoring properties of an aqueous stream

#45
20130213895
2013-08-22

Wastewater treatment system

#46
20130062288
2013-03-14

PROGRAMMABLE FLUID TREATMENT SYSTEM AND METHOD

#47
20110272346
2011-11-10

Quick static decanter for prethickening water treatment sludge, and plant including such a decanter

#48
20110203983
2011-08-25

Treatment device and treatment bag

#49
20110100931
2011-05-05

Method of optimizing feed concentration in a sedimentation vessel

#50
20110009253
2011-01-13

Gas injection-aided centrifugal separation of entrained solids from a solution

#51
20100163499
2010-07-01

OPTIMIZING SOLID / LIQUID SEPARATION WITH SOLVENT ADDITION

#52
20100149539
2010-06-17

Apparatus for sensing precipitation density of sludge in waste water treatment tank and method therefor

#53
20100102006
2010-04-29

Ballast flocculation and sedimentation water treatment system with simplified sludge recirculation, and process therefor

#54
20100102005
2010-04-29

Dewatering facility

#55
20100081552
2010-04-01

Continuous self-cleaning centrifuge assembly having turbidity-sensing feature

#56
20100078323
2010-04-01

Component separating device and chemical analysis device using the same

#57
20100038321
2010-02-18

Grit chamber and a method for controlling the same

#58
20090308815
2009-12-17

Method of treating water by ballasted flocculation/settling, which includes a continuous measurement of the ballast, and corresponding installation

#59
20090200216
2009-08-13

STORM DRAIN FILTER

#60
20090178975
2009-07-16

Fluid treatment process

#61
20090134102
2009-05-28

SEPARATOR AND PROCESS FOR REMOVING SOLIDS FROM DRILLING LIQUIDS

#62
20090078650
2009-03-26

Device for thickening sludge carried along in waste water

#63
20080210608
2008-09-04

Ultraviolet radiation water treatment system

#64
20080111096
2008-05-15

COMPOSITION FOR EXTRACTING CRUDE OIL FROM TAR SANDS

#65
20080087607
2008-04-17

Effluent Treatment Installation And Clarification And Filtration Method Using Same

#66
20070175804
2007-08-02

Coagulation-sedimentation apparatus

#67
20070170117
2007-07-26

Fluid treatment apparatus

#68
20070114161
2007-05-24

Solids recovery using cross-flow microfilter and automatic piston discharge centrifuge

#69
20070102333
2007-05-10

Method of and device for detecting oil pollutions on water surfaces

#70
20070017863
2007-01-25

Separation passageway module, separation unit, and separation boat for suspension separation

#71
20060240964
2006-10-26

Apparatus for separation of a fluid with a separation channel having a mixer component

#72
20060219630
2006-10-05

Ultraviolet radiation water treatment system

#73
20060070959
2006-04-06

Poultry processing water recovery and re-use process

#74
16428214
2024-01-16

Glycerin separation system and method of use