FI974455A - Förfarande för produktion av förrenad massa - Google Patents

Förfarande för produktion av förrenad massa Download PDF

Info

Publication number
FI974455A
FI974455A FI974455A FI974455A FI974455A FI 974455 A FI974455 A FI 974455A FI 974455 A FI974455 A FI 974455A FI 974455 A FI974455 A FI 974455A FI 974455 A FI974455 A FI 974455A
Authority
FI
Finland
Prior art keywords
production
purified pulp
liquors
lignin
polysaccharides
Prior art date
Application number
FI974455A
Other languages
English (en)
Finnish (fi)
Other versions
FI122654B (sv
FI974455A0 (fi
Inventor
Panu Tikka
Mikael Svedman
Thomas Fant
Original Assignee
Sunds Defibrator Pori Oy
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=8550079&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI974455(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sunds Defibrator Pori Oy filed Critical Sunds Defibrator Pori Oy
Priority to FI974455A priority Critical patent/FI122654B/sv
Publication of FI974455A0 publication Critical patent/FI974455A0/fi
Priority to EP98660126A priority patent/EP0921228B1/en
Priority to AT98660126T priority patent/ATE287986T1/de
Priority to BR9805237-3A priority patent/BR9805237A/pt
Priority to JP10366128A priority patent/JPH11241285A/ja
Publication of FI974455A publication Critical patent/FI974455A/sv
Priority to US09/589,706 priority patent/US6533896B1/en
Application granted granted Critical
Publication of FI122654B publication Critical patent/FI122654B/sv

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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Inorganic Insulating Materials (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
FI974455A 1997-12-08 1997-12-08 Förfarande för framställning av papperscellulosamassa FI122654B (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI974455A FI122654B (sv) 1997-12-08 1997-12-08 Förfarande för framställning av papperscellulosamassa
EP98660126A EP0921228B1 (en) 1997-12-08 1998-11-18 Method for the production of precleaned pulp
AT98660126T ATE287986T1 (de) 1997-12-08 1998-11-18 Verfahren zur herstellung von vorgereignigtem zellstoff
BR9805237-3A BR9805237A (pt) 1997-12-08 1998-12-08 Processo para a preparação de polpa de papel de material lignocelulósico.
JP10366128A JPH11241285A (ja) 1997-12-08 1998-12-08 前清浄化されたパルプの製造方法
US09/589,706 US6533896B1 (en) 1997-12-08 2000-06-08 Method for the production of precleaned pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI974455 1997-12-08
FI974455A FI122654B (sv) 1997-12-08 1997-12-08 Förfarande för framställning av papperscellulosamassa

Publications (3)

Publication Number Publication Date
FI974455A0 FI974455A0 (fi) 1997-12-08
FI974455A true FI974455A (sv) 1999-06-09
FI122654B FI122654B (sv) 2012-05-15

Family

ID=8550079

Family Applications (1)

Application Number Title Priority Date Filing Date
FI974455A FI122654B (sv) 1997-12-08 1997-12-08 Förfarande för framställning av papperscellulosamassa

Country Status (6)

Country Link
US (1) US6533896B1 (sv)
EP (1) EP0921228B1 (sv)
JP (1) JPH11241285A (sv)
AT (1) ATE287986T1 (sv)
BR (1) BR9805237A (sv)
FI (1) FI122654B (sv)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520874E (sv) 2001-11-30 2013-01-15 Stfi Packforsk Ab Avlägsnande av oorganiska grundämnen från träflis före kokning till massa
SE0104247L (sv) * 2001-12-14 2002-10-22 Kvaerner Pulping Tech Förbehandling av flis med färsk vitlut före behandling med svartlut
SE525064C2 (sv) * 2003-04-17 2004-11-23 Kvaerner Pulping Tech Metod för impregnering av flis med sur behandlingsvätska i samband med sulfatkokning av cellulosamassa
WO2004106624A1 (en) * 2003-06-03 2004-12-09 Pacific Pulp Resources Inc. Method for producing pulp and lignin
US20050115690A1 (en) * 2003-11-25 2005-06-02 Casella Waste Systems, Inc. Methods for producing recycled pulp from waste paper
US8317975B2 (en) 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
CN104109983A (zh) 2005-05-24 2014-10-22 国际纸业公司 改性的牛皮纤维
US7520958B2 (en) * 2005-05-24 2009-04-21 International Paper Company Modified kraft fibers
WO2007065241A1 (en) * 2005-12-07 2007-06-14 Kelly Anthony O'flynn A novel catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein
US20070167618A1 (en) * 2006-01-13 2007-07-19 Celanese Acetate, Llc Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp
FI123036B (sv) * 2006-02-10 2012-10-15 Metso Paper Inc Förfarande för tillvaratagande av hydrolysprodukter
FI20065105A0 (sv) * 2006-02-10 2006-02-10 Metso Paper Inc Förfarande för tillvaratagande av hydrolysprodukter
AT503610B1 (de) * 2006-05-10 2012-03-15 Chemiefaser Lenzing Ag Verfahren zur herstellung eines zellstoffes
US8734610B2 (en) * 2007-05-23 2014-05-27 Andritz Inc. Two vessel reactor system and method for hydrolysis and digestion of wood chips with chemical enhanced wash method
EP3124501A1 (en) * 2009-03-09 2017-02-01 TreeToTextile AB Shaped cellulose manufacturing process
BR112012019668B1 (pt) * 2010-02-08 2019-04-09 Iogen Energy Corporation Metodo para a remoção de crostas durante um processo de conversão lignocelulósica
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
WO2011138633A1 (en) * 2010-05-04 2011-11-10 Bahia Specialty Cellulose Sa Method and system for pulp processing using cold caustic extraction with alkaline filtrate reuse
FI20105799A0 (sv) * 2010-07-13 2010-07-13 Olli Joutsimo Förbättrad process för framställning av kemisk massa
US9371612B2 (en) * 2011-02-22 2016-06-21 Andritz Inc. Method and apparatus to produce pulp using pre-hydrolysis and Kraft cooking
ES2737432T3 (es) * 2011-05-13 2020-01-14 Valmet Oy Procedimiento compacto para producir pasta papelera prehidrolizada
SE539706C2 (sv) * 2014-11-07 2017-11-07 Valmet Oy Method for recovering hydrolysate
SE538454C2 (sv) * 2014-11-27 2016-07-12 Valmet Oy Method for displacement in batch digesters
CN108031545B (zh) * 2015-06-30 2020-12-08 安耐罗技术股份有限公司 具有杂质去除的改善的催化快速热解方法
SE542430C2 (sv) * 2017-09-19 2020-04-28 Domsjoe Fabriker Ab Removal of inorganic elements from wood chips
SE1950402A1 (sv) * 2019-04-01 2020-10-02 Valmet Oy Method for extracting hemicellulose from lignocellulosic material

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3923591A (en) * 1972-03-21 1975-12-02 Process Evaluation Devel Prehydrolysis and digestion of fibrous lignocellulosic material
US4087318A (en) 1974-03-14 1978-05-02 Mo Och Domsjo Aktiebolag Oxygen-alkali delignification of lignocellulosic material in the presence of a manganese compound
SE380298B (sv) * 1974-03-14 1975-11-03 Mo Forfarande for delignifiering genom syrgas-alkalibehandling av lignocelluosahaltigt material
FI58360C (fi) * 1974-06-14 1981-01-12 Mo Och Domsjoe Ab Foerfarande foer delignifiering av lignocellulosahaltigt material med hjaelp av syreinnehaollande gas och apparatur foer utfoerande av detta foerfarande
US4198266A (en) 1977-10-12 1980-04-15 Airco, Inc. Oxygen delignification of wood pulp
US4436586A (en) 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
IN167959B (sv) * 1985-08-05 1991-01-12 Interox
US4826568A (en) 1985-08-05 1989-05-02 Interox (Societe Anonyme) Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion
US4826567A (en) 1985-08-05 1989-05-02 Interox (Societe Anonyme) Process for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxide
SE502667C2 (sv) 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning
US5424417A (en) * 1993-09-24 1995-06-13 Midwest Research Institute Prehydrolysis of lignocellulose
FI103898B1 (sv) * 1994-01-24 1999-10-15 Sunds Defibrator Pori Oy Förfarande för framställning av förhydrolyserad kemisk massa och/eller cellulosamassa
FI102301B (sv) * 1994-10-13 1998-11-13 Andritz Oy Förfarande för behandling av cellulosamassor

Also Published As

Publication number Publication date
EP0921228B1 (en) 2005-01-26
EP0921228A2 (en) 1999-06-09
BR9805237A (pt) 1999-11-09
ATE287986T1 (de) 2005-02-15
FI122654B (sv) 2012-05-15
US6533896B1 (en) 2003-03-18
EP0921228A3 (en) 2000-02-23
FI974455A0 (fi) 1997-12-08
JPH11241285A (ja) 1999-09-07

Similar Documents

Publication Publication Date Title
FI974455A (sv) Förfarande för produktion av förrenad massa
FI103898B (sv) Förfarande för framställning av förhydrolyserad kemisk massa och/eller cellulosamassa
SE9604111L (sv) Förfarande och anordning för framställning av kemisk cellulosamassa
DK1364072T3 (da) Fremgangsmåde til behandling af lignin- og celluloseholdigt råmateriale til foröget produktion af xylose og ethanol
FI933729A0 (fi) Traedefibrering med aettikasyra genom att tillaegga myrsyror
NZ502621A (en) Method and apparatus for pulp yield enhancement by adding dilution water and acidifying agent
BR9609008A (pt) Processo de produção de polpa a partir de materiais de planta fibrosos, aparelho para a formação de polpa de materiais de planta fibrosos e polpa.
SE9903215D0 (sv) Method in connection with the production of mechanical pulp
FI980995A0 (sv) Förfarande för framställnig av massa
BR9703156A (pt) Processo intermitente aperfeiçoado para a preparação de polpa kraft
EP0656966B1 (en) Method of treating process water
ATE5268T1 (de) Verfahren und mischung zur herstellung von cellulosepulpen.
SE9700283L (sv) Framställningsprocess för pappersmassa
SE9101587D0 (sv) Foerfarande foer framstaellning av kemitermomekanisk massa
FI923269A0 (sv) Nytt sätt att behandla mekaniska massor
Young Mechanical pulping innovations keep pace with strong market
TH18184A (th) "กรรมวิธีการผลิตเยื่อกระดาษที่แยกสลายด้วยน้ำขั้นต้น"
TH16685B (th) "กรรมวิธีการผลิตเยื่อกระดาษที่แยกสลายด้วยน้ำขั้นต้น"
MX9709857A (es) Formacion de pulpa de organosolv modificado.
PL137833B2 (en) Method of separation of rosin soaps from digesting liquors from the process of alkaline wood pulping
SE9602601D0 (sv) Förfarande för blekning av mekanisk massa i minst två steg

Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: GL&V FINANCE HUNGARY KFT.

Free format text: GL&V FINANCE HUNGARY KFT.

PC Transfer of assignment of patent

Owner name: OVIVO LUXEMBOURG S.à R.L.

Free format text: OVIVO LUXEMBOURG S.à R.L.

FG Patent granted

Ref document number: 122654

Country of ref document: FI

Kind code of ref document: B

MM Patent lapsed