B01D21/24 - CPC Classification Index

ClassID:

28788 ⎘

B01D21/24 - CPC Classification

Classification description:

Separation of suspended solid particles from liquids by sedimentation Feed or discharge mechanisms for settling tanks

Sub-classes:

B01D21/2405 » {Feed mechanisms for settling tanks} 210
B01D21/2427 » {The feed or discharge opening located at a distant position from the side walls} 161
B01D21/2433 » {Discharge mechanisms for floating particles} 143
B01D21/2444 » {Discharge mechanisms for the classified liquid} 279
B01D21/245 » {Discharge mechanisms for the sediments} 257
B01D21/2488 » {bringing about a partial recirculation of the liquid, e.g. for introducing chemical aids} 114
B01D21/2494 » {provided with means for the removal of gas, e.g. noxious gas, air} 115

Recent Application in this class:

20240198257

2024-06-20

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

20240174538

2024-05-30

AUTOMATED ZERO WASTE SYSTEMS AND METHODS

20230086777

2023-03-23

FILTRATION DEVICE

20220411295

2022-12-29

MULTIFUNCTIONAL ADDITIVE

20210402316

2021-12-30

Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation

20210077922

2021-03-18

REMOVAL DEVICE

20200115264

2020-04-16

Automated zero waste systems and methods

20200094158

2020-03-26

Methods and systems for enhancing cooling pond performance and salt production in a solution mining operation

20200054969

2020-02-20

Settling tank and methods for guiding partial flows in the inflow area of settling tanks

#10

20190270679

2019-09-05

Nutrient extraction and recovery device for isolation and separation of target products from animal produced waste streams

#11

20190233316

2019-08-01

Animal byproduct recovery system

#12

20190202712

2019-07-04

BIOLOGICAL WASTE MANAGEMENT SYSTEMS

#13

20190168136

2019-06-06

Ash management trench

#14

20190039915

2019-02-07

ENVIRONMENTALLY FRIENDLY BALANCED WASTE WATER TREATMENT SYSTEM FOR DIVERSIFIED MEDICAL USE

#15

20180161701

2018-06-14

MULTI-STAGE SEPARATION DEVICE FOR USE WITH FLOWABLE SYSTEM OF SUBSTANCES

#16

20180117499

2018-05-03

Removal device

#17

20180104623

2018-04-19

Floating weir skimmer

#18

20180104621

2018-04-19

Scum concentration device

#19

20180028943

2018-02-01

Foreign substance removal apparatus, circulation system and vehicle cooling system

#20

20170245458

2017-08-31

Two-tank weired reservoir and method of use

#21

20170232366

2017-08-17

De-sanding tank with conical bottom

#22

20170021288

2017-01-26

Fracture water treatment method and system

#23

20170008782

2017-01-12

Fracture water treatment method and system

#24

20160161037

2016-06-09

Foldable drain pipe for a decanter in a water treatment system

#25

20160160489

2016-06-09

Hydrodynamic separator

#26

20160106057

2016-04-21

Two-tank wiered reservoir and method of use

#27

20160101376

2016-04-14

Fluidizing unit and discharging system

#28

20160097173

2016-04-07

Ash management trench

#29

20150375166

2015-12-31

Air pollution control system and air pollution control method

#30

20150251110

2015-09-10

Apparatus for clarifying a sludge-containing effluent

#31

20150218919

2015-08-06

SYSTEM TO BOOST THE PRESSURE OF MULTIPHASE WELL FLUIDS TO HANDLE SLUGS

#32

20140345459

2014-11-27

Removal device

#33

20140332451

2014-11-13

Fracture Water Treatment Method and System

#34

20140102963

2014-04-17

Thickener dilution tube

#35

20140066668

2014-03-06

Method and apparatus for processing glycol

#36

20130098805

2013-04-25

System, apparatus and process for extraction of bitumen from oil sands

#37

20130062287

2013-03-14

Apparatus and method for de-watering of slurries

#38

20130020253

2013-01-24

Separating sand from fluids produced by a well

#39

20120152850

2012-06-21

Sedimentation and floatation wastewater treatment device with a heater

#40

20120125836

2012-05-24

Separation apparatus and processes

#41

20120085699

2012-04-12

System, apparatus and process for extraction of bitumen from oil sands

#42

20120006757

2012-01-12

Separating sand from fluids produced by a well

#43

20110240568

2011-10-06

Method and apparatus for sewage grit removal

#44

20110120927

2011-05-26

Combined sedimentation and pressure floatation wastewater treatment tank

#45

20100206816

2010-08-19

Separating sand from fluids produced by a well

#46

20090200244

2009-08-13

Method and device for shear-thinning of solids containing material

#47

20090152213

2009-06-18

Separating sand from fluids produced by a well

#48

20080149542

2008-06-26

System, apparatus and process for extraction of bitumen from oil sands

#49

20070221555

2007-09-27

Apparatus and method for de-watering of slurries

#50

20070187321

2007-08-16

System, apparatus and process for extraction of bitumen from oil sands

#51

20070180741

2007-08-09

Mobile oil sands mining system

#52

20070119994

2007-05-31

Method and apparatus for creating a slurry

#53

14965355

2019-02-12

Method and apparatus for treating production water

#54

14546156

2017-05-23

De-sanding tank with conical bottom