ClassID:

28778

B01D21/08 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Settling tanks with single outlets for the separated liquid provided with flocculating compartments

Recent Application in this class:
#1
20250187944
2025-06-12

ALGAE SEPARATION SYSTEM

#2
20250074804
2025-03-06

METHOD AND APPARATUS FOR TREATING WASTEWATER

#3
20250050243
2025-02-13

REACTION AND SEPARATION APPARATUS

#4
20240367073
2024-11-07

SYSTEM FOR CLARIFYING PROCESS WATER IN OIL AND GAS OPERATIONS

#5
20240294406
2024-09-05

System And Method For Wastewater Treatment Including Use of Microporous Media Beds

#6
20240198257
2024-06-20

DEVICE AND METHOD FOR CLEANING WATER ACCRUING FROM DRILLING IN THE GROUND

#7
20240189741
2024-06-13

METHOD AND DEVICE FOR CLEANING WATER ACCRUING FROM DRILLING IN THE GROUND

#8
20240109006
2024-04-04

Sludge Withdrawal Mechanism for Wasting and Returning Settled Sludge from Secondary Clarifier with Granular Sludge

#9
20230202873
2023-06-29

SI REMOVAL FROM AQUEOUS STREAMS OF MINERALS PROCESSING PLANTS

#10
20230191288
2023-06-22

Sludge withdrawal mechanism for wasting and returning settled sludge from secondary clarifier with granular sludge

#11
20230105820
2023-04-06

Device and Method for Separating a Suspension

#12
20220379241
2022-12-01

FLOCCULATING, GRADING, AND DEWATERING DEVICE

#13
20220324739
2022-10-13

Tailings settling-dewatering-solidifying device and experimental method thereof

#14
20220041469
2022-02-10

Algae separation system

#15
20210205771
2021-07-08

Single stage clarifier and mixing assembly

#16
20210199633
2021-07-01

Method for measuring a degree of homogeneity of oils using back titration and measuring apparatus using the same

#17
20210179444
2021-06-17

Multi-stage sedimentation rake-free thickening device

#18
20210178293
2021-06-17

Rake-free thickening device including driving area

#19
20200261828
2020-08-20

Deep cone thickener with underflow concentration rapid auto-adjustment

#20
20200155972
2020-05-21

WATER TREATMENT PLANT AND CORRESPONDING METHOD

#21
20200131059
2020-04-30

Water treatment plant having integrated ballasted flocculation and decantation, and a corresponding method

#22
20200129887
2020-04-30

Method and arrangement for controlling a dewatering process

#23
20200123031
2020-04-23

METHOD OF COAGULATION SEDIMENTATION PROCESS

#24
20200108334
2020-04-09

Flocculation and sedimentation apparatus

#25
20190336889
2019-11-07

Clarifier tank insert assembly

#26
20190169052
2019-06-06

Dehydrator system and methods of using the same

#27
20180272360
2018-09-27

Flotation cell

#28
20180036656
2018-02-08

Feedwell having twisted plates

#29
20170233275
2017-08-17

Transportable multi-chamber water filtration systems

#30
20170029291
2017-02-02

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

#31
20170001876
2017-01-05

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

#32
20170001129
2017-01-05

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

#33
20160376182
2016-12-29

Method and device for treating an organic effluent

#34
20160326030
2016-11-10

Water treatment system

#35
20160001202
2016-01-07

Remote submerged chain conveyor

#36
20150352467
2015-12-10

Remote submerged chain conveyor

#37
20150337411
2015-11-26

SOLID-LIQUID-SEPARATION PROCESSING METHOD, AND HYDROMETALLURGICAL METHOD FOR NICKEL OXIDE ORE

#38
20150048023
2015-02-19

Bioreactor and the waste water treatment method

#39
20150048012
2015-02-19

Bioreactor

#40
20140209523
2014-07-31

Water treatment process and plant using ballasted flocculation and settling

#41
20140083932
2014-03-27

Sludge protector canopy baffle system

#42
20130256243
2013-10-03

Open-channel feed dilution system for a thickener or settling tank

#43
20130062272
2013-03-14

Device for purifying oily wastewater

#44
20120305468
2012-12-06

WATER TREATMENT APPARATUS

#45
20120171099
2012-07-05

Phosphoric acid production gypsum filtration flocculant pre-dilution (make down) with post-filtration phosphoric acid

#46
20120111806
2012-05-10

PULSED SLUDGE BED SETTLING METHOD AND DEVICE

#47
20110290737
2011-12-01

Self contained dissolved air flotation system

#48
20110278239
2011-11-17

Apparatus and method for removing impurities from water or wastewater

#49
20110253635
2011-10-20

Fluid clarification system, method, and apparatus

#50
20110203983
2011-08-25

Treatment device and treatment bag

#51
20110139721
2011-06-16

Magnetic separation apparatus and magnetic separation method, and wastewater treatment apparatus and wastewater treatment method

#52
20110100904
2011-05-05

Method and unit for the purification of wastewater with aerobic granular sludge

#53
20100314302
2010-12-16

Self contained dissolved air flotation system

#54
20100264093
2010-10-21

Method for removing suspended solids from aqueous fluids

#55
20100200426
2010-08-12

APPARATUS AND METHOD FOR PHASE SEPARATION OF LIQUIDS AND SOLIDS

#56
20100187191
2010-07-29

Thickening apparatus and method for thickening

#57
20100155320
2010-06-24

FEEDWELL DEVICE

#58
20100108618
2010-05-06

Thickener and method for thickening

#59
20100096335
2010-04-22

Water treatment process and plant using ballasted flocculation and settling

#60
20090308815
2009-12-17

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

#61
20090301966
2009-12-10

Method for purifying wastewater

#62
20090301948
2009-12-10

System for treating wastewater

#63
20090211974
2009-08-27

WATER CLARIFYING APPARATUS AND IMPLEMENTING METHOD

#64
20090178975
2009-07-16

Fluid treatment process

#65
20090001000
2009-01-01

APPARATUS FOR TREATING LIQUID WASTE MATERIAL

#66
20080257810
2008-10-23

System for removing BOD and suspended solids through an activated sludge process and a ballasted flocculation process

#67
20080251465
2008-10-16

Apparatus for removing suspended solids from aqueous fluids

#68
20080190859
2008-08-14

Method for recovering suspended solids from residual effluents

#69
20080185321
2008-08-07

Effluent purifying plant with centralized structure

#70
20080121589
2008-05-29

Fluid clarification system and apparatus

#71
20080110839
2008-05-15

Thickener/clarifier feedwell assembly with froth dissipation

#72
20070295666
2007-12-27

Ammonium removal system including an electrophysical separation system

#73
20070170117
2007-07-26

Fluid treatment apparatus

#74
20070163955
2007-07-19

Combination activated sludge—ballasted flocculation process

#75
20070114184
2007-05-24

Method for treating wastewater

#76
20070000840
2007-01-04

Self contained dissolved air flotation system

#77
20060254966
2006-11-16

Clarifier recycle system design for use in wastewater treatment system

#78
20060175251
2006-08-10

System for settling solids or other impurities from water or wastewater and associated methods

#79
20060108273
2006-05-25

Ballasted flocculation process and system incorporating an electro-coagulation reactor for treating water or wastewater

#80
20060021942
2006-02-02

Continuous ammonium removal systems

#81
20050279719
2005-12-22

Collection of sludge from the floor of a basin with multiple balanced-flow headers

#82
20050279701
2005-12-22

Apparatus for collecting sludge from the floor of a settler basin

#83
20050218056
2005-10-06

Method and plant for thickening sludge derived from water treatment by flocculation-decantation with ballasted floc

#84
20050205496
2005-09-22

Process and apparatus for treating liquid waste material

#85
20050150840
2005-07-14

Method and device for clarification of liquids, particularly water, loaded with material in suspension

#86
20050115907
2005-06-02

Dual zone feedwell for a thickener

#87
20050098497
2005-05-12

Pulsating reactors

#88
20050000910
2005-01-06

Aggregation precipitation method