Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle

Industry

CPC
D21C11/0085

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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

D21C11/0085Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Process for refining fiber and deriving chemical co-products from b...
- Patent number 11,255,045
- Issue date Feb 22, 2022
- CIRCULAR SYSTEMS, S.P.C.
- Yitzac Goldstein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Green liquor clarification using sedimentation tank during white li...
- Patent number 11,174,591
- Issue date Nov 16, 2021
- Valmet AB
- Zicheng Zhang
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Methods for separating and refining lignin from black liquor and co...
- Patent number 10,767,308
- Issue date Sep 8, 2020
- Virdia, Inc.
- Robert Jansen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of fly ash in biological process of wastewater treatment systems
- Patent number 10,619,300
- Issue date Apr 14, 2020
- Lakehead University
- Pedram Fatehi
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for recovering catalyst
- Patent number 10,144,007
- Issue date Dec 4, 2018
- UPM-Kymmene Corporation
- Markus Nuopponen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recausticizing green liquor
- Patent number 10,011,948
- Issue date Jul 3, 2018
- Mondi AG
- Walter Ruef
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recovering chemicals and by-products from high-sulphidit...
- Patent number 10,011,949
- Issue date Jul 3, 2018
- Andritz Oy
- Paterson McKeough
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of fly ash to treat spent liquor from a thermomechanical pulpin...
- Patent number 9,702,083
- Issue date Jul 11, 2017
- LAKEHEAD UNIVERSITY
- Pedram Fatehi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of recovering pulping chemicals from dissolved ash having a...
- Patent number 9,574,303
- Issue date Feb 21, 2017
- VEOLIA WATER TECHNOLOGIES, INC.
- Michael S. Begley
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for production of cellulose nano crystals from cellulose-con...
- Patent number 9,464,142
- Issue date Oct 11, 2016
- Yissum Research Development Company of the Hebrew University of Jerusalem Ltd.
- Oded Shoseyov
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for recovering lignin
- Patent number 9,260,464
- Issue date Feb 16, 2016
- Michael A. Lake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
System and method for treating process water with separate separati...
- Patent number 9,216,921
- Issue date Dec 22, 2015
- Meri Environmental Solutions GMBH
- George Troubounis
- 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 for improving separation of carbohydrates from wood pulping...
- Patent number 7,699,958
- Issue date Apr 20, 2010
- UT-Battelle, LLC
- William Louis Griffith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Treatment of filtrates from peroxide bleaching of pulp
- Patent number 6,746,568
- Issue date Jun 8, 2004
- Kemira Kemi AB
- Hans Terelius
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for treating spent, waste, alkaline digestion liquor from p...
- Patent number 6,632,327
- Issue date Oct 14, 2003
- Bountiful Applied Research Corporation
- Hassan El Shall
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Alkyleneamine composition for enhancing lime mud dewatering
- Patent number 6,451,164
- Issue date Sep 17, 2002
- Huntsman Ethyleneamines Limited
- Alan P. Croft
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Use of alkyleneamines for enhancing lime mud dewatering
- Patent number 6,312,560
- Issue date Nov 6, 2001
- Huntsman Ethyleneamines Ltd.
- Alan P. Croft
- 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 separating lignins and dissolved organic compounds from...
- Patent number 5,635,024
- Issue date Jun 3, 1997
- Bountiful Applied Research Corporation
- Hassan E. Shall
- 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
Method for the recovery of chemical values from black liquor in mul...
- Patent number 5,582,683
- Issue date Dec 10, 1996
- International Paper Company
- Alexander K. Bonsu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for pelletising particles of alkali metal ferrite
- Patent number 5,552,099
- Issue date Sep 3, 1996
- Amcor Limited
- Heiko Wunder
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for recovering alkali metal hydroxide from organic liquors
- Patent number 5,545,385
- Issue date Aug 13, 1996
- Amcor Limited
- Heiko Wunder
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
High solids black liquor of reduced viscosity and viscosity reducti...
- Patent number 5,527,427
- Issue date Jun 18, 1996
- Optima Specialty Chemicals & Technology Inc.
- Mualla Berksoy
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of treating BCTMP/CTMP wastewater
- Patent number 5,178,770
- Issue date Jan 12, 1993
- Nalco Canada Inc.
- Daniel K. Chung
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for recycling sulfur dioxide from sulfite pulping liquors
- Patent number 5,096,540
- Issue date Mar 17, 1992
- Nancy J. Sell
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of removing organic substances from effluents from pulp and...
- Patent number 5,013,454
- Issue date May 7, 1991
- A. Ahlstrom Corporation
- Pertti Hynninen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for the preparation of sulfide-free alkali liquor using cop...
- Patent number 4,981,556
- Issue date Jan 1, 1991
- Alby Klorat AB
- Mats-Olov Hedblom
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the preparation of a pulp
- Patent number 4,118,271
- Issue date Oct 3, 1978
- Jujo Paper Co., Ltd.
- Kyoichi Oku
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
DEFOAMING AGENT AND COMPOSITIONS CONTAINING THE DEFOAMING AGENT
- Publication number 20240390820
- Publication date Nov 28, 2024
- Solenis Technologies, L.P.
- Are Wiberg
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
SCALE INHIBITION FOR PULP DIGESTERS
- Publication number 20240247439
- Publication date Jul 25, 2024
- ECOLAB USA INC.
- John Matthew CHUDOMEL
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
ANTIFOAM COMPOSITIONS COMPRISING BRANCHED SILOXANES
- Publication number 20230015286
- Publication date Jan 19, 2023
- Wacker Chemie AG
- John YOUNG
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
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PROCESS FOR REFINING FIBER AND DERIVING CHEMICAL CO-PRODUCTS FROM B...
- Publication number 20210062416
- Publication date Mar 4, 2021
- Circular Systems S.P.C.
- Yitzac Goldstein
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
REGULATING A MICROENVIRONMENT OF ANAEROBIC GRANULAR SLUDGE TO PROMO...
- Publication number 20210032139
- Publication date Feb 4, 2021
- GuangXi University
- Shuangfei Wang
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
GREEN LIQUOR CLARIFICATION USING SEDIMENTATION TANK DURING WHITE LI...
- Publication number 20200340179
- Publication date Oct 29, 2020
- VALMET AB
- Zicheng ZHANG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Use of Fly Ash in Biological Process of Wastewater Treatment Systems
- Publication number 20190024309
- Publication date Jan 24, 2019
- Lakehead University
- Pedram Fatehi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
DEFOAMING AGENT
- Publication number 20170312657
- Publication date Nov 2, 2017
- SAN NOPCO LTD.
- Katsuomi Shimabayashi
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
A METHOD OF FEEDING A SEALING MEDIUM INTO A LIQUOR FILTER AND A LIQ...
- Publication number 20170183818
- Publication date Jun 29, 2017
- ANDRITZ OY
- Tommi HAMMARBERG
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD OF RECOVERING PULPING CHEMICALS FROM DISSOLVED ASH HAVING A...
- Publication number 20160348310
- Publication date Dec 1, 2016
- Veolia Water Technologies, Inc.
- Michael S. Begley
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Use of Fly Ash to Treat Spent Liquor from a Thermomechanical Pulpin...
- Publication number 20160222587
- Publication date Aug 4, 2016
- Lakehead University
- Pedram Fatehi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
METHOD FOR PRODUCTION OF CELLULOSE NANO CRYSTALS FROM CELLULOSE-CON...
- Publication number 20130131332
- Publication date May 23, 2013
- Yissum Research Development Company of the Hebrew University of Jerusalem Ltd.
- Oded Shoseyov
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
System And Method For Treating Process Water With Separate Separati...
- Publication number 20120145629
- Publication date Jun 14, 2012
- MERI ENVIRONMENTAL SOLUTIONS GMBH
- George Troubounis
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
PROCESS FOR RECOVERING LIGNIN
- Publication number 20110294991
- Publication date Dec 1, 2011
- Michael A. Lake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR IMPROVING SEPARATION OF CARBOHYDRATES FROM WOOD PULPING...
- Publication number 20080121356
- Publication date May 29, 2008
- William Louis Griffith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Use of alkyleneamines for enhancing lime mud dewatering
- Publication number 20020096271
- Publication date Jul 25, 2002
- Alan P. Croft
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
Pulping process without a recovery furnace
- Publication number 20020059994
- Publication date May 23, 2002
- Kenneth R. Kurple
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for refining fiber and deriving chemical co-products from b...

Green liquor clarification using sedimentation tank during white li...

Methods for separating and refining lignin from black liquor and co...

Use of fly ash in biological process of wastewater treatment systems

Method for recovering catalyst

Process for recausticizing green liquor

Method for recovering chemicals and by-products from high-sulphidit...

Use of fly ash to treat spent liquor from a thermomechanical pulpin...

Method of recovering pulping chemicals from dissolved ash having a...

Method for production of cellulose nano crystals from cellulose-con...

Process for recovering lignin

System and method for treating process water with separate separati...

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

Method for improving separation of carbohydrates from wood pulping...

Treatment of filtrates from peroxide bleaching of pulp

Process for treating spent, waste, alkaline digestion liquor from p...

Alkyleneamine composition for enhancing lime mud dewatering

Use of alkyleneamines for enhancing lime mud dewatering

Process for producing polysulphide by means of oxidizing sulphide i...

Process for separating lignins and dissolved organic compounds from...

Method for clarifying green liquor by monitoring the calcium concen...

Method for the recovery of chemical values from black liquor in mul...

Process for pelletising particles of alkali metal ferrite

Process for recovering alkali metal hydroxide from organic liquors

High solids black liquor of reduced viscosity and viscosity reducti...

Method of treating BCTMP/CTMP wastewater

Method for recycling sulfur dioxide from sulfite pulping liquors

Method of removing organic substances from effluents from pulp and...

Process for the preparation of sulfide-free alkali liquor using cop...

Method for the preparation of a pulp

Patents Applicationslast 30 patents

DEFOAMING AGENT AND COMPOSITIONS CONTAINING THE DEFOAMING AGENT

SCALE INHIBITION FOR PULP DIGESTERS

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

ANTIFOAM COMPOSITIONS COMPRISING BRANCHED SILOXANES

PROCESS FOR REFINING FIBER AND DERIVING CHEMICAL CO-PRODUCTS FROM B...

REGULATING A MICROENVIRONMENT OF ANAEROBIC GRANULAR SLUDGE TO PROMO...

GREEN LIQUOR CLARIFICATION USING SEDIMENTATION TANK DURING WHITE LI...

Use of Fly Ash in Biological Process of Wastewater Treatment Systems

PROCESS FOR LIGNIN PURIFICATION AND ISOLATION

DEFOAMING AGENT

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

METHOD OF RECOVERING PULPING CHEMICALS FROM DISSOLVED ASH HAVING A...

Use of Fly Ash to Treat Spent Liquor from a Thermomechanical Pulpin...

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

METHOD FOR PRODUCTION OF CELLULOSE NANO CRYSTALS FROM CELLULOSE-CON...

System And Method For Treating Process Water With Separate Separati...

PROCESS FOR RECOVERING LIGNIN

METHOD FOR IMPROVING SEPARATION OF CARBOHYDRATES FROM WOOD PULPING...

Use of alkyleneamines for enhancing lime mud dewatering

Pulping process without a recovery furnace