FI20070280A - A method and system for continuously producing chemical pulp - Google Patents

A method and system for continuously producing chemical pulp Download PDF

Info

Publication number
FI20070280A
FI20070280A FI20070280A FI20070280A FI20070280A FI 20070280 A FI20070280 A FI 20070280A FI 20070280 A FI20070280 A FI 20070280A FI 20070280 A FI20070280 A FI 20070280A FI 20070280 A FI20070280 A FI 20070280A
Authority
FI
Finland
Prior art keywords
chemical pulp
continuously producing
producing chemical
continuously
pulp
Prior art date
Application number
FI20070280A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20070280A0 (en
Inventor
Nam Hee Shin
Bertil Stromberg
Original Assignee
Andritz Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=38794811&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI20070280(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Inc filed Critical Andritz Inc
Publication of FI20070280A0 publication Critical patent/FI20070280A0/en
Publication of FI20070280A publication Critical patent/FI20070280A/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
FI20070280A 2006-04-13 2007-04-12 A method and system for continuously producing chemical pulp FI20070280A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79143106P 2006-04-13 2006-04-13
US11/709,278 US20070240837A1 (en) 2006-04-13 2007-02-22 Hardwood alkaline pulping processes and systems

Publications (2)

Publication Number Publication Date
FI20070280A0 FI20070280A0 (en) 2007-04-12
FI20070280A true FI20070280A (en) 2007-10-14

Family

ID=38794811

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20070280A FI20070280A (en) 2006-04-13 2007-04-12 A method and system for continuously producing chemical pulp

Country Status (14)

Country Link
US (2) US20070240837A1 (en)
JP (1) JP5101917B2 (en)
CN (1) CN101054777B (en)
AU (1) AU2007200969B2 (en)
BR (1) BRPI0701613A (en)
CA (1) CA2581993A1 (en)
CL (1) CL2007001000A1 (en)
ES (1) ES2319035B1 (en)
FI (1) FI20070280A (en)
PT (1) PT103701B (en)
RU (1) RU2414555C2 (en)
SE (1) SE531540C2 (en)
UY (1) UY30266A1 (en)
ZA (1) ZA200701944B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2007210012B2 (en) * 2006-01-27 2012-04-05 University Of Massachussetts Systems and methods for producing biofuels and related materials
JP5119471B2 (en) * 2008-02-28 2013-01-16 王子ホールディングス株式会社 Method of cooking lignocellulosic material
SE532932C2 (en) * 2008-03-20 2010-05-11 Metso Fiber Karlstad Ab Supply system comprising parallel pumps for a continuous vapor phase boiler without top separator
US20100028966A1 (en) * 2008-07-28 2010-02-04 Jeffrey Blanchard Methods and Compositions for Improving The production Of Products In Microorganisms
NZ590750A (en) * 2008-07-28 2012-12-21 Univ Massachusetts Methods and compositions for improving the production of products in microorganisms, especially clostridium phytofermentans
US7867363B2 (en) * 2008-08-27 2011-01-11 Metso Fiber Karlstad Ab Continuous digester system
US20100086981A1 (en) * 2009-06-29 2010-04-08 Qteros, Inc. Compositions and methods for improved saccharification of biomass
US20110183382A1 (en) * 2009-12-15 2011-07-28 Qteros, Inc. Methods and compositions for producing chemical products from c. phytofermentans
GB2478791A (en) * 2010-03-19 2011-09-21 Qteros Inc Ethanol production by genetically-modified bacteria
US8951388B2 (en) * 2011-04-08 2015-02-10 Pec-Tech Engineering And Construction Pte Ltd Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
FI127420B (en) * 2011-06-23 2018-05-31 Andritz Oy Process for producing cellulose pulp
AR088750A1 (en) * 2011-08-30 2014-07-02 Cargill Inc PULP ELABORATION PROCESSES
JP5783453B2 (en) * 2011-09-21 2015-09-24 川崎化成工業株式会社 Calculation method of addition effect of anthraquinone compound in pulping.
CN103410036B (en) * 2013-08-15 2015-11-18 齐鲁工业大学 A kind of production method of high-yield hardwood pulp
CN103835173B (en) * 2014-03-17 2015-09-16 昆明理工大学 A kind of big dragon bamboo pre-preg diethanol amine-anthraquinone pulping by cooking method
CN104407098B (en) * 2014-09-23 2016-04-20 黄伟洪 A kind of method of Fast Evaluation birch soda anthraquinone process technique
CN105568740B (en) * 2014-10-15 2017-12-12 亚太森博（山东）浆纸有限公司 Low whiteness sulfate leaf wood pulpboard of a kind of high intensity and preparation method thereof
CN105568739B (en) * 2014-10-15 2017-12-12 亚太森博（山东）浆纸有限公司 A kind of unbleached sulfate leaf wood pulpboard and preparation method thereof
CA3079732A1 (en) * 2017-10-17 2019-04-25 Auburn University Phenols as additives in kraft pulping

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858211A (en) * 1956-02-13 1958-10-28 Condi Engineering Corp Apparatus for wood chip digestion
SE407244B (en) * 1976-02-05 1979-03-19 Mo Och Domsjoe Ab PROCEDURE FOR THE PREPARATION OF CELLULOSA MASSES OF LOVED IN TWO STEPS
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
ZA877379B (en) * 1986-10-02 1989-04-26 James Fullerton Terry Manufacture of pulp
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
JP3029043B2 (en) * 1990-11-22 2000-04-04 王子製紙株式会社 Cooking method for lignocellulosic material
US5326433A (en) * 1991-02-06 1994-07-05 Ahlstrom Recovery Inc. Multi-level sulfide content white liquor production and utilization in cellulose pulping
NO920692L (en) * 1991-05-24 1992-11-25 Kamyr Inc TREATMENT OF ORGANIC SULFUR GASES, SPECIFICALLY IN POWER SYSTEMS AND PROCESSES
US5575890A (en) * 1993-05-04 1996-11-19 Kamyr, Inc. Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
FI102301B1 (en) * 1994-10-13 1998-11-13 Ahlstrom Machinery Oy Process for treating cellulose pulp
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
US6475338B1 (en) * 1996-06-05 2002-11-05 Andritz Inc. Method of minimizing transition metal ions during chemical pulping in a digester by adding chelating agent to the digester
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
JP4298058B2 (en) * 1999-05-28 2009-07-15 日本製紙株式会社 Cooking method of lignocellulosic material
JP4298059B2 (en) * 1999-05-28 2009-07-15 日本製紙株式会社 Cooking method of lignocellulosic material
US6576084B1 (en) * 1999-09-13 2003-06-10 Andritz Inc. Method of pretreating pulp with yield or strength-enhancing additive
JP4871487B2 (en) * 2000-09-05 2012-02-08 ボード オブ コントロール オブ ミシガン テクノロジカル ユニヴァーシティー Method for simultaneous control of lignin content and composition and cellulose content in plants
JP4454822B2 (en) * 2000-10-11 2010-04-21 日本製紙株式会社 Pulp manufacturing method
CN1542217A (en) * 2003-11-04 2004-11-03 季 中 Method for preparing paper pulp by pharmaceutically catalyzing plant fiber at normal temperature and pressure

Also Published As

Publication number Publication date
PT103701A (en) 2007-10-15
ES2319035A1 (en) 2009-05-01
JP2007284860A (en) 2007-11-01
FI20070280A0 (en) 2007-04-12
US20070240837A1 (en) 2007-10-18
RU2414555C2 (en) 2011-03-20
US20120305209A1 (en) 2012-12-06
CA2581993A1 (en) 2007-10-13
ZA200701944B (en) 2008-08-27
SE0700888L (en) 2007-10-14
SE531540C2 (en) 2009-05-12
CL2007001000A1 (en) 2008-05-30
AU2007200969B2 (en) 2011-11-03
CN101054777B (en) 2011-05-18
BRPI0701613A (en) 2008-03-11
PT103701B (en) 2008-01-28
CN101054777A (en) 2007-10-17
JP5101917B2 (en) 2012-12-19
ES2319035B1 (en) 2010-02-10
RU2007113735A (en) 2008-10-20
AU2007200969A1 (en) 2007-11-01
UY30266A1 (en) 2007-11-30

Similar Documents

Publication Publication Date Title
FI20070280A (en) A method and system for continuously producing chemical pulp
BRPI0716421A2 (en) devices, systems and method pertaining to a plc
BRPI0719843A2 (en) METHOD FOR THE PRODUCTION OF BISBENZOXAZOIS
FI20061090A (en) Monitoring Method
BRPI0716978A2 (en) Method of manufacturing a fibrous product
FI20050683A0 (en) A method for manufacturing a fiber web
FI20065363A0 (en) Difference method
FI20075348A (en) Method and arrangement for treating a fiber web
FI20075370A (en) A piping element and a method and apparatus for making it
FI20095606A (en) A system and method for producing a solution having a low suspended solids content and using such a solution
FI20096417A (en) A method and system for making a fibrous product
FI20075416A (en) Method for making paper
EP2014812A4 (en) Titania fiber and method for producing titania fiber
FI20055576L (en) Multi-layer paper and method for its production
FI20060226A0 (en) A method for treating a chemical pulp
FI20060211A (en) A novel antenna structure and method for its manufacture
FR2900143B1 (en) CAPSULE METHOD AND CORRESPONDING CAPSULE
FI20065001A0 (en) Method and apparatus for making a matte fiber web
FI20055673L (en) Method for making a composite product and composite product
FI20065675A (en) Method and apparatus for making a molding and molding
FI20065184A (en) Apparatus and method for deaerating the pulp
FI20075468A0 (en) Method and apparatus for treating a fibrous web
FI20061110A0 (en) Monitoring Method
FR2905881B1 (en) DESAMIANTING METHOD
FI20060614A (en) Method and apparatus for making a roll

Legal Events

Date Code Title Description
FD Application lapsed