ClassID:

28777

B01D21/06 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation; Settling tanks with single outlets for the separated liquid with moving scrapers with rotating scrapers

Recent Application in this class:
#1
20240416261
2024-12-19

SHEARING DEVICE, ARRANGEMENT AND USE

#2
20240375025
2024-11-14

SEPARATION DEVICE AND SEPARATION SYSTEM

#3
20240294406
2024-09-05

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

#4
20230405500
2023-12-21

WASTEWATER HEAT EXCHANGE SYSTEM

#5
20230241533
2023-08-03

GRAVITY SEPARATION OF SLURRIES

#6
20230212035
2023-07-06

HEADRACE SYSTEM

#7
20220062795
2022-03-03

Clarifier with independent sump scraper drive

#8
20210220756
2021-07-22

VACUUM WASTE REMOVAL SYSTEM

#9
20200340179
2020-10-29

Green liquor clarification using sedimentation tank during white liquor preparation

#10
20200223729
2020-07-16

Bio-DAF system for domestic and industrial wastewater treatment

#11
20200171412
2020-06-04

Clarifier with independent sump scraper drive

#12
20200108334
2020-04-09

Flocculation and sedimentation apparatus

#13
20200001208
2020-01-02

Process and System for Treating Waste Water

#14
20180319691
2018-11-08

Methods for separating non-fibrous solids from liquids using a double-roller

#15
20180290075
2018-10-11

Vacuum waste removal system

#16
20180036656
2018-02-08

Feedwell having twisted plates

#17
20170333813
2017-11-23

Rapid sludge removal clarifier

#18
20170081230
2017-03-23

Conversion of clarifier to suction pipe system

#19
20170043280
2017-02-16

Liquid Solid Separator

#20
20170001876
2017-01-05

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

#21
20170001129
2017-01-05

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

#22
20150197435
2015-07-16

Water treatment method and apparatus therefor

#23
20150166386
2015-06-18

Clarifier sludge withdrawal system

#24
20150008196
2015-01-08

GRIT REMOVAL SYSTEM

#25
20140209523
2014-07-31

Water treatment process and plant using ballasted flocculation and settling

#26
20140202333
2014-07-24

Three-phase separation system for drilling fluids and drill cuttings

#27
20140197117
2014-07-17

System and method for sludge removal in a circular settling tank

#28
20140102963
2014-04-17

Thickener dilution tube

#29
20130256243
2013-10-03

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

#30
20130248424
2013-09-26

Bitumen froth storage and separation using an improved froth tank

#31
20130081302
2013-04-04

Processing apparatus and methods

#32
20130048570
2013-02-28

CONCENTRATION OF SUSPENSIONS

#33
20120305477
2012-12-06

Solids retention time uncoupling by selective wasting of sludge

#34
20120012540
2012-01-19

GRIT REMOVAL SYSTEM

#35
20110272346
2011-11-10

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

#36
20110198303
2011-08-18

Method and apparatus for disturbing networked pulp

#37
20110186528
2011-08-04

Grit removing device, grit removing system and a method for the same

#38
20110180484
2011-07-28

SEPARATION DEVICE WITH DUAL DRIVES AND A METHOD OF REDUCING DONUTTING IN A SEPARATION DEVICE

#39
20110163041
2011-07-07

METHOD FOR CONTROLLING THE DISTURBANCE OF NETWORKED PULP

#40
20110100931
2011-05-05

Method of optimizing feed concentration in a sedimentation vessel

#41
20100300546
2010-12-02

Thickeners having self-diluting feedwell

#42
20100200475
2010-08-12

WASTE WATER TREATMENT SYSTEM USING DISTRIBUTION MANIFOLD

#43
20100155320
2010-06-24

FEEDWELL DEVICE

#44
20100096335
2010-04-22

Water treatment process and plant using ballasted flocculation and settling

#45
20090206186
2009-08-20

Processing Apparatus and Methods

#46
20090178975
2009-07-16

Fluid treatment process

#47
20090173701
2009-07-09

Centrifugal flow distribution clarifier feedwell and method of feeding influent to a clarifier thereby

#48
20080314545
2008-12-25

Molding flask for a molding machine and a molding process using the molding flask

#49
20080257810
2008-10-23

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

#50
20080135473
2008-06-12

Circular secondary clarifier for wastewater treatment and an improved solids-liquid separation process thereof

#51
20070290381
2007-12-20

Fluid Sparger and Dissipater

#52
20070289912
2007-12-20

Circular clarifier apparatus and method

#53
20070272617
2007-11-29

Sand and Animal Waste Separation System

#54
20070221552
2007-09-27

System for Processing a Biomaterial Waste Stream

#55
20070209996
2007-09-13

Multilayer energy dissipating inlet column in center-feed clarifiers

#56
20070170117
2007-07-26

Fluid treatment apparatus

#57
20070163955
2007-07-19

Combination activated sludge—ballasted flocculation process

#58
20070138086
2007-06-21

Scraper

#59
20070045202
2007-03-01

Apparatus for production, withdrawal and transfer of highly viscous slurry

#60
20060278578
2006-12-14

Energy dissipating inlet for clarifiers

#61
20060137531
2006-06-29

Apparatus for scum removal

#62
20060124539
2006-06-15

Sludge scraping and collecting apparatus

#63
20050252868
2005-11-17

Inlet structure for clarifiers

#64
20050199555
2005-09-15

Circular clarifier apparatus and method

#65
20050121402
2005-06-09

Pulp stabilisation apparatus for a thickener

#66
20050115907
2005-06-02

Dual zone feedwell for a thickener

#67
20050000910
2005-01-06

Aggregation precipitation method