of alkali lye

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CPC
D21C11/04

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DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C11/00Regeneration of pulp liquors or effluent waste waters

Current Industry

D21C11/04of alkali lye

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Continuous process for production of cellulose pulp from grass-like...
- Patent number 11,976,416
- Issue date May 7, 2024
- Marinko Mikulic
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Furnace floor protection in recovery boilers
- Patent number 11,549,682
- Issue date Jan 10, 2023
- VARO TEOLLISUUSPALVELUT OY
- Timo Karjunen
- F22 - STEAM GENERATION
Information Patent Grant
Process for obtaining cellulose
- Patent number 11,512,426
- Issue date Nov 29, 2022
- Rainer Fülling
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and a system for removing hydrogen sulphide ions (HS−) from...
- Patent number 11,473,243
- Issue date Oct 18, 2022
- VALMET TECHNOLOGIES OY
- Rami Lampinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Recover of inorganic chemicals of the pulp and paper making process...
- Patent number 11,111,630
- Issue date Sep 7, 2021
- GREENOVEL INC.
- Sherif Farag
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for isolation of hemicelluloses from biomass pulping proces...
- Patent number 10,870,947
- Issue date Dec 22, 2020
- Andritz AG
- Oleg Shagaev
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Ultrasonic semelt dissolving and shattering system
- Patent number 10,557,235
- Issue date Feb 11, 2020
- ANDRITZ INC.
- Mark LeBel
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
System and a method for producing aqueous sulphuric acid
- Patent number 10,465,339
- Issue date Nov 5, 2019
- VALMET TECHNOLOGIES OY
- Asta Humalajoki
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for producing xylan-containing material
- Patent number 10,316,108
- Issue date Jun 11, 2019
- Nippon Paper Industries Co., Ltd.
- Shiho Tsuji
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for processing straw
- Patent number 10,233,592
- Issue date Mar 19, 2019
- NAFICI ENVIRONMENTAL RESEARCH
- Shahriar Nafici
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for obtaining strong white liquor and lime mud...
- Patent number 10,011,947
- Issue date Jul 3, 2018
- Valmet AB
- Magnus Ingelman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for lignin separation from black liquor
- Patent number 9,777,033
- Issue date Oct 3, 2017
- Valmet AB
- Fredrik Ohman
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Continuous method for the precipitation of lignin from black liquor
- Patent number 9,719,210
- Issue date Aug 1, 2017
- UPM-Kymmene Corporation
- Mauno Miettinen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Flared inlet insert for introducing flow into a flash tank
- Patent number 9,284,684
- Issue date Mar 15, 2016
- Andritz Inc.
- Richard M. Grogan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for treating lignin
- Patent number 9,187,512
- Issue date Nov 17, 2015
- Michael A. Lake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the causticizing process for producing white liquor
- Patent number 9,187,863
- Issue date Nov 17, 2015
- Valmet AB
- Eva Hogebrandt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Continuous method for the precipitation of lignin from black liquor
- Patent number 9,139,606
- Issue date Sep 22, 2015
- UPM-Kymmene Corporation
- Mauno Miettinen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Flash tank with flared inlet insert and method for introducing flow...
- Patent number 9,127,403
- Issue date Sep 8, 2015
- Andritz Inc.
- Richard M. Grogan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for precipitating lignin from black liquor by utilizing wast...
- Patent number 9,067,959
- Issue date Jun 30, 2015
- VALMET POWER AB
- Anders Littorin
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method and equipment for treatment of black liquor at pulp mill
- Patent number 8,821,686
- Issue date Sep 2, 2014
- Valmet Power Oy
- Jani Lehto
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Heat recovery from spent cooking liquor in a digester plant of a ch...
- Patent number 8,808,498
- Issue date Aug 19, 2014
- Andritz Inc.
- Petri Tikka
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and system for pulp processing using cold caustic extraction...
- Patent number 8,535,480
- Issue date Sep 17, 2013
- Bahia Specialty Cellulose SA
- Marcelo Moreira Leite
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and apparatus for thickening lime mud in a disc filter
- Patent number 8,002,994
- Issue date Aug 23, 2011
- Andritz Oy
- Holger Engdahl
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of polysulfide in modified cooking
- Patent number 7,828,930
- Issue date Nov 9, 2010
- International Paper Company
- Jianer Jiang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Black liquor treatment method
- Patent number 7,713,422
- Issue date May 11, 2010
- K.I. System Co., Ltd.
- Sadao Kitagawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for removing potassium from ash produced in a kraft pulping...
- Patent number 7,553,394
- Issue date Jun 30, 2009
- Nippon Rensui Co.
- Saburo Furusho
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for causticizing green liquor in chemical recovery from bla...
- Patent number 7,291,245
- Issue date Nov 6, 2007
- Tianzhao Ai
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the production of green liquor
- Patent number 7,270,726
- Issue date Sep 18, 2007
- Metso Fiber Karlstad AB
- Magnus Ingelman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Pipe system for receiving and transporting lime sludge from a white...
- Patent number 6,793,809
- Issue date Sep 21, 2004
- Kvaerner Pulping AB
- Magnus Ingelman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recovering chemicals in a process of producing pulp by k...
- Patent number 6,585,880
- Issue date Jul 1, 2003
- Nippon Paper Industries Co., Ltd.
- Keigo Watanabe
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ALKALI METAL/ALKALINE EARTH METAL HYDROXIDE AN...
- Publication number 20240124986
- Publication date Apr 18, 2024
- TOHOKU UNIVERSITY
- Kousuke HIROMORI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
METHODS OF TREATING A KRAFT PROCESS RECOVERY CYCLE TO REDUCE METAL...
- Publication number 20230272581
- Publication date Aug 31, 2023
- SUZANO S.A.
- Heloisa Ogushi Romeiro RAMIRES
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
CONTINUOUS PROCESS FOR PRODUCTION OF CELLULOSE PULP FROM GRASS-LIKE...
- Publication number 20210355636
- Publication date Nov 18, 2021
- Marinko Mikulic
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
A METHOD AND A SYSTEM FOR REMOVING HYDROGEN SULPHIDE IONS (HS-) FRO...
- Publication number 20210189648
- Publication date Jun 24, 2021
- VALMET TECHNOLOGIES OY
- Rami LAMPINEN
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
Process for Isolation of Hemicelluloses From Biomass Pulping Proces...
- Publication number 20190203416
- Publication date Jul 4, 2019
- Andritz AG
- Oleg Shagaev
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR LIGNIN PURIFICATION AND ISOLATION
- Publication number 20180298554
- Publication date Oct 18, 2018
- ANNIKKI GMBH
- Alexander Dybov
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR PROCESSING STRAW
- Publication number 20170306556
- Publication date Oct 26, 2017
- Nafici Enfironmental Research
- Shahriar Nafici
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR THE CAUSTICIZING PROCESS FOR PRODUCING WHITE LIQUOR
- Publication number 20140374039
- Publication date Dec 25, 2014
- Eva Hogebrandt
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
FLASH TANK WITH FLARED INLET INSERT AND METHOD FOR INTRODUCING FLOW...
- Publication number 20140352900
- Publication date Dec 4, 2014
- ANDRITZ INC.
- Richard M. Grogan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRECIPITATING LIGNIN FROM BLACK LIQUOR BY UTILIZING WAST...
- Publication number 20140275498
- Publication date Sep 18, 2014
- Anders Littorin
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR TREATING LIGNIN
- Publication number 20140200334
- Publication date Jul 17, 2014
- Liquid Lignin Company, LLC
- Michael A. Lake
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
CONTINUOUS METHOD FOR THE PRECIPITATION OF LIGNIN FROM BLACK LIQUOR
- Publication number 20130203972
- Publication date Aug 8, 2013
- UPM-Kymmene Corporation
- Mauno Miettinen
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD AND SYSTEM FOR HIGH ALPHA DISSOLVING PULP PRODUCTION
- Publication number 20110272110
- Publication date Nov 10, 2011
- Marcelo Moreira Leite
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND SYSTEM FOR PULP PROCESSING USING COLD CAUSTIC EXTRACTION...
- Publication number 20110272109
- Publication date Nov 10, 2011
- Marcelo Moreira Leite
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
USE OF POLYSULFIDE IN MODIFIED COOKING
- Publication number 20110155335
- Publication date Jun 30, 2011
- International Paper Company
- JIANER JIANG
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD AND EQUIPMENT FOR TREATMENT OF BLACK LIQUOR AT PULP MILL
- Publication number 20110120662
- Publication date May 26, 2011
- Jani Lehto
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Process for Controlling Ammonia Loss
- Publication number 20110079364
- Publication date Apr 7, 2011
- TIN INC., D/B/A TEMPLE-INLAND
- Thomas Frank Stroup
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
HEAT RECOVERY FROM SPENT COOKING LIQUOR IN A DIGESTER PLANT OF A CH...
- Publication number 20100224335
- Publication date Sep 9, 2010
- ANDRITZ INC.
- Petri TIKKA
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Use of polysulfide in modified cooking
- Publication number 20090126883
- Publication date May 21, 2009
- Jianer Jiang
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method and Apparatus for Thickening Lime Mud in a Disc Filter
- Publication number 20080164222
- Publication date Jul 10, 2008
- ANDRITZ OY
- Holger Engdahl
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Black Liquor Treatment Method
- Publication number 20070227979
- Publication date Oct 4, 2007
- K.I. SYSTEM CO., LTD.
- Sadao Kitagawa
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process for producing kraft pulp
- Publication number 20060219375
- Publication date Oct 5, 2006
- Saburo Furusho
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
METHOD FOR PRODUCING PULP AND LIGNIN
- Publication number 20060169430
- Publication date Aug 3, 2006
- Pacific Pulp Resources Inc.
- David Tarasenko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Method for the production of green liquor
- Publication number 20060075900
- Publication date Apr 13, 2006
- Magnus Ingelman
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Process of recovering alkali from black liquor of papermaking
- Publication number 20050199358
- Publication date Sep 15, 2005
- Tianzhao Ai
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Partial oxidation of cellulose spent pulping liquor
- Publication number 20050076568
- Publication date Apr 14, 2005
- Lars Lennart Stigsson
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Method for producing pulp and lignin
- Publication number 20040244925
- Publication date Dec 9, 2004
- David Tarasenko
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Cooking process using hot black liquor
- Publication number 20040079498
- Publication date Apr 29, 2004
- Hannu Haaslahti
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Pipe system for receiving and transporting lime sludge from a white...
- Publication number 20040069721
- Publication date Apr 15, 2004
- Magnus Ingelman
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Dissolved solids control in pulp production
- Publication number 20010001977
- Publication date May 31, 2001
- Andritz Ahlstrom, Inc.
- Bruno S. Marcoccia
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

of alkali lye

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

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

Furnace floor protection in recovery boilers

Process for obtaining cellulose

Method and a system for removing hydrogen sulphide ions (HS−) from...

Recover of inorganic chemicals of the pulp and paper making process...

Process for isolation of hemicelluloses from biomass pulping proces...

Ultrasonic semelt dissolving and shattering system

System and a method for producing aqueous sulphuric acid

Method for producing xylan-containing material

Method for processing straw

Method and apparatus for obtaining strong white liquor and lime mud...

Method for lignin separation from black liquor

Continuous method for the precipitation of lignin from black liquor

Flared inlet insert for introducing flow into a flash tank

Process for treating lignin

Method for the causticizing process for producing white liquor

Continuous method for the precipitation of lignin from black liquor

Flash tank with flared inlet insert and method for introducing flow...

Method for precipitating lignin from black liquor by utilizing wast...

Method and equipment for treatment of black liquor at pulp mill

Heat recovery from spent cooking liquor in a digester plant of a ch...

Method and system for pulp processing using cold caustic extraction...

Method and apparatus for thickening lime mud in a disc filter

Use of polysulfide in modified cooking

Black liquor treatment method

Method for removing potassium from ash produced in a kraft pulping...

Process for causticizing green liquor in chemical recovery from bla...

Method for the production of green liquor

Pipe system for receiving and transporting lime sludge from a white...

Method for recovering chemicals in a process of producing pulp by k...

Patents Applicationslast 30 patents

METHOD FOR PRODUCING ALKALI METAL/ALKALINE EARTH METAL HYDROXIDE AN...

METHODS OF TREATING A KRAFT PROCESS RECOVERY CYCLE TO REDUCE METAL...

CONTINUOUS PROCESS FOR PRODUCTION OF CELLULOSE PULP FROM GRASS-LIKE...

A METHOD AND A SYSTEM FOR REMOVING HYDROGEN SULPHIDE IONS (HS-) FRO...

Process for Isolation of Hemicelluloses From Biomass Pulping Proces...

PROCESS FOR LIGNIN PURIFICATION AND ISOLATION

METHOD FOR PROCESSING STRAW

METHOD FOR THE CAUSTICIZING PROCESS FOR PRODUCING WHITE LIQUOR

FLASH TANK WITH FLARED INLET INSERT AND METHOD FOR INTRODUCING FLOW...

METHOD FOR PRECIPITATING LIGNIN FROM BLACK LIQUOR BY UTILIZING WAST...

PROCESS FOR TREATING LIGNIN

CONTINUOUS METHOD FOR THE PRECIPITATION OF LIGNIN FROM BLACK LIQUOR

METHOD AND SYSTEM FOR HIGH ALPHA DISSOLVING PULP PRODUCTION

METHOD AND SYSTEM FOR PULP PROCESSING USING COLD CAUSTIC EXTRACTION...

USE OF POLYSULFIDE IN MODIFIED COOKING

METHOD AND EQUIPMENT FOR TREATMENT OF BLACK LIQUOR AT PULP MILL

Process for Controlling Ammonia Loss

HEAT RECOVERY FROM SPENT COOKING LIQUOR IN A DIGESTER PLANT OF A CH...

Use of polysulfide in modified cooking

Method and Apparatus for Thickening Lime Mud in a Disc Filter

Black Liquor Treatment Method

Process for producing kraft pulp

METHOD FOR PRODUCING PULP AND LIGNIN

Method for the production of green liquor

Process of recovering alkali from black liquor of papermaking

Partial oxidation of cellulose spent pulping liquor

Method for producing pulp and lignin

Cooking process using hot black liquor

Pipe system for receiving and transporting lime sludge from a white...

Dissolved solids control in pulp production