Combination of various pulping processes with one or several recovery systems (cross-recovery)

Industry

CPC
D21C11/0014

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Parent Industries

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

D21C11/0014Combination of various pulping processes with one or several recovery systems (cross-recovery)

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparing fluff pulp from bamboos and fluff pulp prepare...
- Patent number 12,286,750
- Issue date Apr 29, 2025
- South China University of Technology
- Yichao Lei
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and a system for adjusting S/Na-balance of a pulp mill
- Patent number 11,634,864
- Issue date Apr 25, 2023
- VALMET TECHNOLOGIES OY
- Risto Hämäläinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method and a system for adjusting S/Na-balance of a pulp mill
- Patent number 11,619,000
- Issue date Apr 4, 2023
- VALMET TECHNOLOGIES OY
- Risto Hämäläinen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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
BCTMP filtrate recycling system and method
- Patent number 8,999,114
- Issue date Apr 7, 2015
- International Paper Company
- Caifang F. Yin
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method to use heat energy from black liquor
- Patent number 8,545,674
- Issue date Oct 1, 2013
- Metso Paper Sweden AB
- Vidar Snekkenes
- 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 producing furfural, acetic acid and formic acid from spe...
- Patent number 6,955,743
- Issue date Oct 18, 2005
- Chempolis Oy
- Esa Rousu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process of producing sodium hydroxide from sodium sulphate in a pul...
- Patent number 5,702,570
- Issue date Dec 30, 1997
- Thor Technology Corporation
- James W. Smith
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for the treatment of spent liquors in pulp production
- Patent number 5,022,962
- Issue date Jun 11, 1991
- Enso-Gutzeit OY
- Olli Korhonen
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for purifying resin-containing waste liquor in the manufactu...
- Patent number 4,921,613
- Issue date May 1, 1990
- Boliden Aktiebolag
- Cecilia M. Nordberg
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Kraft mill recycle process
- Patent number 4,288,286
- Issue date Sep 8, 1981
- Hooker Chemicals & Plastics Corp.
- Willard A. Fuller
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method for combusting a mixture of spent magnesium sulphite digesti...
- Patent number 4,227,966
- Issue date Oct 14, 1980
- Sunds Aktiebolag
- Lennart Ivnas
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Recovery system for oxygen bleaching of pulp
- Patent number 4,131,508
- Issue date Dec 26, 1978
- Kamyr Inc.
- Oliver A. Laakso
- 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
Information Patent Grant
High yield semichemical wood pulping process
- Patent number 4,073,678
- Issue date Feb 14, 1978
- Westvaco Corporation
- Jack A. Hammond
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process of the pulping of bleaching of vegetable material
- Patent number 4,070,233
- Issue date Jan 24, 1978
- Japan Pulp & Paper Research Instutute Inc.
- Hiroshi Matsuura
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3598695
- Patent number 3,598,695
- Issue date Aug 10, 1971
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3210236
- Patent number 3,210,236
- Issue date Oct 5, 1965
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3055793
- Patent number 3,055,793
- Issue date Sep 25, 1962
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
3003908
- Patent number 3,003,908
- Issue date Oct 10, 1961
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2974081
- Patent number 2,974,081
- Issue date Mar 7, 1961
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2974084
- Patent number 2,974,084
- Issue date Mar 7, 1961
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2913310
- Patent number 2,913,310
- Issue date Nov 17, 1959
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2823120
- Patent number 2,823,120
- Issue date Feb 11, 1958
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2738270
- Patent number 2,738,270
- Issue date Mar 13, 1956
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2734037
- Patent number 2,734,037
- Issue date Feb 7, 1956
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2730445
- Patent number 2,730,445
- Issue date Jan 10, 1956
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2642399
- Patent number 2,642,399
- Issue date Jun 16, 1953
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
2047032
- Patent number 2,047,032
- Issue date Jul 7, 1936
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PREPARING FLUFF PULP FROM BAMBOOS AND FLUFF PULP PREPARE...
- Publication number 20240328083
- Publication date Oct 3, 2024
- SOUTH CHINA UNIVERSITY OF TECHNOLOGY
- Yichao LEI
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD FOR RECOVERING WATER AND CHEMICALS FROM PLANTS FOR TREATING...
- Publication number 20220204377
- Publication date Jun 30, 2022
- INVESTIGACIONES FORESTALES BIOFOREST S.A.
- Álvaro Mauricio GONZÁLEZ VOGEL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
A METHOD AND A SYSTEM FOR ADJUSTING S/NA -BALANCE OF A PULP MILL
- Publication number 20200385925
- Publication date Dec 10, 2020
- VALMET TECHNOLOGIES OY
- Risto HÄMÄLÄINEN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD OF CONTROLLING THE CHEMICAL BALANCE OF A PULP MILL
- Publication number 20200283954
- Publication date Sep 10, 2020
- ANDRITZ OY
- Lauri PEHU-LEHTONEN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for optimising material recovery in a chemical pulping process
- Publication number 20180319682
- Publication date Nov 8, 2018
- KEMIRA OYJ
- Jonni Ahlgren
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
METHODS FOR RECOVERING AND RECYCLING SALT BYPRODUCTS IN BIOREFINERY...
- Publication number 20140366870
- Publication date Dec 18, 2014
- API Intellectual Property Holdings, LLC
- Theodora Retsina
- C13 - SUGAR INDUSTRY
Information Patent Application
BCTMP Filtrate Recycling System and Method
- Publication number 20140174679
- Publication date Jun 26, 2014
- International Paper Company
- CAIFANG F. YIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
BCTMP Filtrate Recycling System and Method
- Publication number 20110232853
- Publication date Sep 29, 2011
- International Paper Company
- CAIFANG F. YIN
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
METHOD TO USE HEAT ENERGY FROM BLACK LIQUOR
- Publication number 20100012283
- Publication date Jan 21, 2010
- Vidar Snekkenes
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
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
Method for producing furfural, acetic acid and formic acid from spe...
- Publication number 20040040830
- Publication date Mar 4, 2004
- Esa Rousu
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Combination of various pulping processes with one or several recovery systems (cross-recovery)

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for preparing fluff pulp from bamboos and fluff pulp prepare...

Method and a system for adjusting S/Na-balance of a pulp mill

Method and a system for adjusting S/Na-balance of a pulp mill

Use of fly ash in biological process of wastewater treatment systems

BCTMP filtrate recycling system and method

Method to use heat energy from black liquor

Black liquor treatment method

Method for producing furfural, acetic acid and formic acid from spe...

Process of producing sodium hydroxide from sodium sulphate in a pul...

Method for the treatment of spent liquors in pulp production

Method for purifying resin-containing waste liquor in the manufactu...

Kraft mill recycle process

Method for combusting a mixture of spent magnesium sulphite digesti...

Recovery system for oxygen bleaching of pulp

Method for the preparation of a pulp

High yield semichemical wood pulping process

Process of the pulping of bleaching of vegetable material

3598695

3210236

3055793

3003908

2974081

2974084

2913310

2823120

2738270

2734037

2730445

2642399

2047032

Patents Applicationslast 30 patents

METHOD FOR PREPARING FLUFF PULP FROM BAMBOOS AND FLUFF PULP PREPARE...

METHOD FOR RECOVERING WATER AND CHEMICALS FROM PLANTS FOR TREATING...

A METHOD AND A SYSTEM FOR ADJUSTING S/NA -BALANCE OF A PULP MILL

METHOD OF CONTROLLING THE CHEMICAL BALANCE OF A PULP MILL

Method for optimising material recovery in a chemical pulping process

METHODS FOR RECOVERING AND RECYCLING SALT BYPRODUCTS IN BIOREFINERY...

BCTMP Filtrate Recycling System and Method

BCTMP Filtrate Recycling System and Method

METHOD TO USE HEAT ENERGY FROM BLACK LIQUOR

Black Liquor Treatment Method

Method for producing furfural, acetic acid and formic acid from spe...