EP2707539A4 - Kompaktes verfahren zur herstellung von vorhydrolysiertem zellstoff - Google Patents

Kompaktes verfahren zur herstellung von vorhydrolysiertem zellstoff

Info

Publication number
EP2707539A4
EP2707539A4 EP11865841.8A EP11865841A EP2707539A4 EP 2707539 A4 EP2707539 A4 EP 2707539A4 EP 11865841 A EP11865841 A EP 11865841A EP 2707539 A4 EP2707539 A4 EP 2707539A4
Authority
EP
European Patent Office
Prior art keywords
producing
compact process
prehydrolyzed
pulp
prehydrolyzed pulp
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP11865841.8A
Other languages
English (en)
French (fr)
Other versions
EP2707539A1 (de
EP2707539B1 (de
Inventor
Daniel Trolin
Stefan Antonsson
Jonas Saetheråsen
Mikael Lindström
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Valmet AB
Original Assignee
Valmet AB
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
Application filed by Valmet AB filed Critical Valmet AB
Priority to PT11865841T priority Critical patent/PT2707539T/pt
Publication of EP2707539A1 publication Critical patent/EP2707539A1/de
Publication of EP2707539A4 publication Critical patent/EP2707539A4/de
Application granted granted Critical
Publication of EP2707539B1 publication Critical patent/EP2707539B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
    • 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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid 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
    • 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
    • D21C3/02—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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
EP11865841.8A 2011-05-13 2011-05-13 Kompaktes verfahren zur herstellung von vorhydrolysiertem zellstoff Active EP2707539B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PT11865841T PT2707539T (pt) 2011-05-13 2011-05-13 Processo compacto para produzir polpa pré-hidrolisada

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2011/050610 WO2012158075A1 (en) 2011-05-13 2011-05-13 Compact process for producing prehydrolyzed pulp

Publications (3)

Publication Number Publication Date
EP2707539A1 EP2707539A1 (de) 2014-03-19
EP2707539A4 true EP2707539A4 (de) 2014-11-19
EP2707539B1 EP2707539B1 (de) 2019-05-08

Family

ID=47177177

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11865841.8A Active EP2707539B1 (de) 2011-05-13 2011-05-13 Kompaktes verfahren zur herstellung von vorhydrolysiertem zellstoff

Country Status (7)

Country Link
EP (1) EP2707539B1 (de)
CN (1) CN103687990B (de)
CA (1) CA2837277C (de)
ES (1) ES2737432T3 (de)
PT (1) PT2707539T (de)
RU (1) RU2546497C1 (de)
WO (1) WO2012158075A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE539706C2 (en) 2014-11-07 2017-11-07 Valmet Oy Method for recovering hydrolyzate
SE538454C2 (en) 2014-11-27 2016-07-12 Valmet Oy Method for displacement in batch digesters
ES2959654T3 (es) * 2016-05-27 2024-02-27 Fibratech Pte Ltd Un método y un sistema para la producción de lignina de alto peso molecular
SE541646C2 (en) * 2017-07-04 2019-11-19 Valmet Oy Method for operating a continuous vertical reactor comprising a prehydrolysis zone and the reactor design as such
EP3673110A4 (de) * 2017-08-25 2021-05-12 Valmet AB Verbessertes kompaktes verfahren zur herstellung von vorhydrolysiertem zellstoff
FI130070B (fi) * 2018-03-07 2023-01-31 Andritz Oy Menetelmä liukosellun valmistamiseksi
CN109629290A (zh) * 2018-12-25 2019-04-16 新疆富丽达纤维有限公司 一种减少溶解浆用量的造纸浆生产工艺
SE542991C2 (en) * 2019-03-29 2020-09-22 Valmet Oy A method and a system for extracting hydrolyzate in a continuous cooking process for producing pulp
FI129760B (en) * 2020-07-06 2022-08-15 Amppc Finland Oy HIGH YIELD COOKING METHOD
FI130568B (en) * 2020-07-06 2023-11-21 Amppc Finland Oy COOKING METHOD
CN112048929B (zh) * 2020-08-18 2021-06-29 福建农林大学 一种低固形预水解分离木、竹材原料半纤维素的方法
CN112853796A (zh) * 2021-01-07 2021-05-28 杭州融凯盛科技有限公司 一种造纸浆改性为莱赛尔纤维专用浆粕的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
WO1995020065A1 (en) * 1994-01-24 1995-07-27 Sunds Defibrator Pori Oy Production of prehydrolyzed pulp
US5676795A (en) * 1992-12-02 1997-10-14 Voest-Alpine Industrieanlagenbau Gmbh Process for the production of viscose pulp
EP0921228A2 (de) * 1997-12-08 1999-06-09 Sunds Defibrator Pori Oy Verfahren zur Herstellung von vorgereignigtem Zellstoff
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
WO2009136000A1 (en) * 2008-05-08 2009-11-12 Metso Paper, Inc. Prehydrolysis sulfate cooking process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU182496A (de) *
AT404478B (de) * 1996-02-02 1998-11-25 Impco Voest Alpine Pulp Tech Celluloseherstellung
CN101514529A (zh) * 2008-09-02 2009-08-26 上海士林纤维材料有限公司 改进的预水解碱法制造竹溶解浆的方法及其产品
CN101368295B (zh) * 2008-09-19 2011-04-06 福建省南纸股份有限公司 一种马尾松溶解浆的制备方法
CN101565906A (zh) * 2009-06-09 2009-10-28 上海士林纤维材料有限公司 预提取半纤维素的竹溶解浆制浆方法及其产品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
US5676795A (en) * 1992-12-02 1997-10-14 Voest-Alpine Industrieanlagenbau Gmbh Process for the production of viscose pulp
WO1995020065A1 (en) * 1994-01-24 1995-07-27 Sunds Defibrator Pori Oy Production of prehydrolyzed pulp
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
EP0921228A2 (de) * 1997-12-08 1999-06-09 Sunds Defibrator Pori Oy Verfahren zur Herstellung von vorgereignigtem Zellstoff
WO2009136000A1 (en) * 2008-05-08 2009-11-12 Metso Paper, Inc. Prehydrolysis sulfate cooking process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012158075A1 *

Also Published As

Publication number Publication date
WO2012158075A1 (en) 2012-11-22
RU2546497C1 (ru) 2015-04-10
ES2737432T3 (es) 2020-01-14
EP2707539A1 (de) 2014-03-19
EP2707539B1 (de) 2019-05-08
PT2707539T (pt) 2019-06-27
CA2837277C (en) 2017-06-27
CN103687990A (zh) 2014-03-26
CA2837277A1 (en) 2012-11-22
CN103687990B (zh) 2016-03-30

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