Patents-Review.com
ClassID:

126437 ⎘

D21C11/0078 - CPC Classification

Classification description:

Regeneration of pulp liquors or effluent waste waters; Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds

Recent Application in this class:
#1
20250179733
2025-06-05

PREDICTIVE AND REAL TIME PROCESS INTERVENTION INVOLVING A MULTI-COMPONENT DEFOAMER FEED UNIT

 #2
20250002364
2025-01-02

RECOVERING A CAUSTIC SOLUTION VIA CALCIUM CARBONATE CRYSTAL AGGREGATES

 #3
20240158989
2024-05-16

MIXING ASSEMBLY AND METHOD FOR CONTROLLING MIXING OF GREEN LIQUOR AND A FLOCCULATION AGENT

 #4
20240117566
2024-04-11

DEVICE AND METHOD FOR TREATING GREEN LIQUOR

 #5
20230331576
2023-10-19

Recovering a caustic solution via calcium carbonate crystal aggregates

 #6
20230235507
2023-07-27

Method and a system for producing an oil rich fraction from biomass

 #7
20220106737
2022-04-07

A method of replacing sodium losses in a pulp mill, a method of producing bleached cellulosic pulp, and a system

 #8
20220074142
2022-03-10

Smelt shattering method and apparatus

 #9
20220034033
2022-02-03

Process for treating dregs, treated dregs, use thereof, process for vulcanizing rubber, and vulcanized rubber

 #10
20210355636
2021-11-18

Continuous process for production of cellulose pulp from grass-like feedstock

 #11
20210284545
2021-09-16

Recovering a caustic solution via calcium carbonate crystal aggregates

 #12
20200340179
2020-10-29

Green liquor clarification using sedimentation tank during white liquor preparation

 #13
20200109059
2020-04-09

Recovering a caustic solution via calcium carbonate crystal aggregates

 #14
20200024801
2020-01-23

Process for treating dregs, treated dregs, use thereof, process for vulcanizing rubber, and vulcanized rubber

 #15
20190100875
2019-04-04

Chemical efficiency increase in papermaking process

 #16
20180112355
2018-04-26

METHOD FOR POLYSULFIDE PRODUCTION IN A KRAFT PULP MILL

 #17
20170183818
2017-06-29

A METHOD OF FEEDING A SEALING MEDIUM INTO A LIQUOR FILTER AND A LIQUOR FILTER

 #18
20170081207
2017-03-23

Recovering a caustic solution via calcium carbonate crystal aggregates

 #19
20170051454
2017-02-23

Method and arrangement for clarifying green liquor

 #20
20160002852
2016-01-07

Process for recausticizing green liquor

 #21
20150329369
2015-11-19

Recovering a caustic solution via calcium carbonate crystal aggregates

 #22
20150284908
2015-10-08

Methods of preserving starch in pulp and controlling calcium precipitation and/or scaling

 #23
20140374039
2014-12-25

Method for the causticizing process for producing white liquor

 #24
20140271379
2014-09-18

Recovering a caustic solution via calcium carbonate crystal aggregates

 #25
20140054506
2014-02-27

Method of recovering chemicals

 #26
20120125849
2012-05-24

METHOD AND ARRANGEMENT FOR CLARIFYING GREEN LIQUOR

 #27
20110001068
2011-01-06

HOSE VALVE FOR FEEDING FINE GRAINED MATERIAL

 #28
20110000834
2011-01-06

System for reception and transport of lime mud from a white liquor filter

 #29
20100189614
2010-07-29

Method for kraft waste reclamation

 #30
20090288790
2009-11-26

Process and apparatus for treating green liquor

 #31
20070051482
2007-03-08

Method for kraft waste reclamation

 #32
20060127298
2006-06-15

Feeding device and process and feeding system which utilize the feeding device

 #33
20050153832
2005-07-14

Polysulfide generation using a manganese dioxide catalyst assembly and method of making the assembly

 #34
20050079117
2005-04-14

Processes for preparing calcium carbonate