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Aspects concerning the production and the treatment of green and white liquors
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D21C11/0064
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D
TEXTILES PAPER
D21
Papermaking
D21C
PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR
D21C11/00
Regeneration of pulp liquors or effluent waste waters
Current Industry
D21C11/0064
Aspects concerning the production and the treatment of green and white liquors
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Patents Grants
last 30 patents
Information
Patent Grant
Vent stack temperature as a feedforward variable for smelt dissolvi...
Patent number
11,441,265
Issue date
Sep 13, 2022
Fpinnovations
Bruce James Allison
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for reducing ringing in lime kilns
Patent number
10,995,991
Issue date
May 4, 2021
ANDRITZ INC.
Kimmo Peltonen
F27 - FURNACES KILNS OVENS RETORTS
Information
Patent Grant
Method of recycling by-product generated in papermaking process
Patent number
10,774,471
Issue date
Sep 15, 2020
KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCE
Ji-Whan Ahn
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
System of thermal recovery relating to the operation of a dissolver...
Patent number
10,640,924
Issue date
May 5, 2020
VALMET TECHNOLOGIES OY
Jarmo Mansikkasalo
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
System and process for stripping volatile organic compounds from fo...
Patent number
10,597,821
Issue date
Mar 24, 2020
VEOLIA WATER TECHNOLOGIES, INC.
Iván Ramos Ruiz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and system of thermal recovery relating to the operation of...
Patent number
10,487,449
Issue date
Nov 26, 2019
VALMET TECHNOLOGIES OY
Jarmo Mansikkasalo
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 and a system for quality optimization of green liquor
Patent number
10,385,513
Issue date
Aug 20, 2019
VALMET AUTOMATION OY
Jukka A. Koskinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Lime causticization product brightness improvement via pre-slaking
Patent number
10,053,370
Issue date
Aug 21, 2018
Specialty Minerals (Michigan) Inc.
Joseph A. Sohara
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Method for leaching recovery-boiler ash
Patent number
9,719,209
Issue date
Aug 1, 2017
Andritz Oy
Paterson McKeough
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for removing the precoat layer of a rotary filter
Patent number
9,636,611
Issue date
May 2, 2017
Andritz Oy
Pentti Luukkanen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
Method and device for cleaning of filter
Patent number
8,518,273
Issue date
Aug 27, 2013
Metso Paper Sweden AB
Patrik Lownertz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and apparatus for controlling a causticizing process
Patent number
7,919,067
Issue date
Apr 5, 2011
Metso Automation Oy
Hannu Kuoksa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and device for washing of lime mud
Patent number
7,686,964
Issue date
Mar 30, 2010
Metso Fiber Karlstad AB
Patrik Lownertz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for processing flue gases
Patent number
7,591,988
Issue date
Sep 22, 2009
Metso Power Oy
Risto Hämäläinen
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Feeding device and process and feeding system which utilize the fee...
Patent number
7,468,176
Issue date
Dec 23, 2008
Lennart Westerberg
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
Processes for preparing calcium carbonate
Patent number
7,261,869
Issue date
Aug 28, 2007
Nippon Paper Industries Co., Ltd.
Kazuto Takahashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
System and method for controlling a processor including a digester...
Patent number
7,204,914
Issue date
Apr 17, 2007
Metso Automation USA Inc.
Kari Juhani Lampela
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Feeding device and process and feeding system which utilize the fee...
Patent number
7,179,437
Issue date
Feb 20, 2007
Kvaerner Pulping AB
Lennart Westerberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for preparing calcium carbonate
Patent number
6,627,170
Issue date
Sep 30, 2003
Nippon Paper Industries Co., Ltd.
Kazuto Takahashi
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for kraft chemical recovery
Patent number
6,261,411
Issue date
Jul 17, 2001
Christopher M. Roberts
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for kraft chemical recovery
Patent number
6,123,806
Issue date
Sep 26, 2000
Champion International Corporation
Christopher M. Roberts
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for producing polysulphide by means of oxidizing sulphide i...
Patent number
5,993,601
Issue date
Nov 30, 1999
Kvaerner Pulping AB
Olle Wennberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Process for controlling the efficiency of the causticizing process
Patent number
5,822,220
Issue date
Oct 13, 1998
Fisher-Rosemount Systems, Inc.
Glenn H. Baines
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method and arrangement for reburning lime sludge in a fluidizing bed
Patent number
5,644,996
Issue date
Jul 8, 1997
Kvaerner Pulping Technologies AB
Martin Wimby
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for clarifying green liquor by monitoring the calcium concen...
Patent number
5,628,875
Issue date
May 13, 1997
Mo och Domsjo Aktiebolag
Jan G. Liden
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Determination of sodium sulfide and sulfidity in green liquors and...
Patent number
5,616,214
Issue date
Apr 1, 1997
Pulp and Paper Research Institute of Canada
Denys F. Leclerc
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Method for recovering sodium from a spent cooking liquor
Patent number
5,597,445
Issue date
Jan 28, 1997
International Paper Company
J. Lennart Westerberg
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Patents Applications
last 30 patents
Information
Patent Application
SYSTEM OF THERMAL RECOVERY RELATING TO THE OPERATION OF A DISSOLVER...
Publication number
20200048832
Publication date
Feb 13, 2020
VALMET TECHNOLOGIES OY
Jarmo Mansikkasalo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SYSTEM AND A METHOD FOR PRODUCING AQUEOUS SULPHURIC ACID
Publication number
20190177914
Publication date
Jun 13, 2019
VALMET TECHNOLOGIES OY
Asta HUMALAJOKI
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
SYSTEM AND PROCESS FOR STRIPPING VOLATILE ORGANIC COMPOUNDS FROM FO...
Publication number
20180274171
Publication date
Sep 27, 2018
Veolia Water Technologies, Inc.
Iván Ramos Ruiz
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND SYSTEM OF THERMAL RECOVERY RELATING TO THE OPERATION OF...
Publication number
20180209095
Publication date
Jul 26, 2018
VALMET TECHNOLOGIES OY
Jarmo Mansikkasalo
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
METHOD AND A SYSTEM FOR QUALITY OPTIMIZATION OF GREEN LIQUOR
Publication number
20180080173
Publication date
Mar 22, 2018
VALMET AUTOMATION OY
Jukka A. KOSKINEN
C01 - INORGANIC CHEMISTRY
Information
Patent Application
METHOD FOR HANDLING SPENT WASH SOLUTION OF A LIGNIN-RECOVERY PROCESS
Publication number
20170211232
Publication date
Jul 27, 2017
ANDRITZ OY
Paterson McKEOUGH
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
LIME CAUSTICIZATION PRODUCT BRIGHTNESS IMPROVEMENT VIA PRE-SLAKING
Publication number
20130129601
Publication date
May 23, 2013
Specialty Minerals (Michigan) Inc.
Joseph A. Sohara
C01 - INORGANIC CHEMISTRY
Information
Patent Application
GASIFICATION OF SULPHITE THICK LIQUOR
Publication number
20120073772
Publication date
Mar 29, 2012
CHEMREC AKTIEBOLAG
Ingvar Landalv
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method to recover chemicals in mechanical pulping
Publication number
20090025892
Publication date
Jan 29, 2009
Rinheat Oy
Teemu Tanner
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Particulate matter and methods of obtaining same from a kraft waste...
Publication number
20080219912
Publication date
Sep 11, 2008
Gary Allen Olsen
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
Method and Device for Cleaning of Filter
Publication number
20070251891
Publication date
Nov 1, 2007
Patrik Lownertz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method and Device for Washing of Lime Mud
Publication number
20070221345
Publication date
Sep 27, 2007
Patrik Lownertz
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Method for processing flue gases
Publication number
20070092422
Publication date
Apr 26, 2007
Kvaerner Power Oy
Risto Hamalainen
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
Feeding device and process and feeding system which utilize the fee...
Publication number
20060127298
Publication date
Jun 15, 2006
Lennart Westerberg
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Processes for preparing calcium carbonate
Publication number
20050079117
Publication date
Apr 14, 2005
Kazuto Takahashi
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
System and method for controlling a processor including a digester...
Publication number
20050034824
Publication date
Feb 17, 2005
Metso Automation USA Inc.
Kari Juhani Lampela
G05 - CONTROLLING REGULATING
Information
Patent Application
Feeding device and process and feeding system which utilise the fee...
Publication number
20030194361
Publication date
Oct 16, 2003
Lennart Westerberg
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
PROCESS FOR PREPARING CALCIUM CARBONATE
Publication number
20030059362
Publication date
Mar 27, 2003
KAZUTO TAKAHASHI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Method and apparatus for controlling a causticizing process
Publication number
20020119083
Publication date
Aug 29, 2002
Metso Paper Automation
Hannu Kuoksa
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE