FI860609A0 - FOERFARANDE FOER FRAMSTAELLNING AV BLEKT CELLULOSAMASSA UTAV LIGNINHALTIGT RAOMATERIAL. - Google Patents

FOERFARANDE FOER FRAMSTAELLNING AV BLEKT CELLULOSAMASSA UTAV LIGNINHALTIGT RAOMATERIAL.

Info

Publication number
FI860609A0
FI860609A0 FI860609A FI860609A FI860609A0 FI 860609 A0 FI860609 A0 FI 860609A0 FI 860609 A FI860609 A FI 860609A FI 860609 A FI860609 A FI 860609A FI 860609 A0 FI860609 A0 FI 860609A0
Authority
FI
Finland
Prior art keywords
utav
raomaterial
ligninhaltigt
blekt
cellulosamassa
Prior art date
Application number
FI860609A
Other languages
Finnish (fi)
Other versions
FI74750B (en
FI860609A (en
FI74750C (en
Inventor
Lauri Aukusti Laamanen
Jorma Juhani Sundquist
Ilkka Yrjoe Paavo Wartiovaara
Seppo Veli-Matti Kauliomaeki
Kristiina Johanna Poppius
Original Assignee
Keskuslaboratorio
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
Priority claimed from FI851156A external-priority patent/FI851156A0/en
Application filed by Keskuslaboratorio filed Critical Keskuslaboratorio
Priority to FI860609A priority Critical patent/FI74750C/en
Publication of FI860609A0 publication Critical patent/FI860609A0/en
Priority to JP61501856A priority patent/JPH0737720B2/en
Priority to DE8686901881T priority patent/DE3671924D1/en
Priority to EP86901881A priority patent/EP0250422B1/en
Priority to PCT/FI1986/000028 priority patent/WO1986005529A1/en
Priority to AT86901881T priority patent/ATE53613T1/en
Priority to US06/936,344 priority patent/US4793898A/en
Priority to AU55892/86A priority patent/AU5589286A/en
Priority to CA000507591A priority patent/CA1284557C/en
Publication of FI860609A publication Critical patent/FI860609A/en
Priority to NO864660A priority patent/NO166138C/en
Priority to BR8700589A priority patent/BR8700589A/en
Publication of FI74750B publication Critical patent/FI74750B/en
Publication of FI74750C publication Critical patent/FI74750C/en
Application granted granted 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C3/003—Pulping cellulose-containing materials with organic compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI860609A 1985-02-22 1986-02-11 Process for preparing bleached cellulose pulp from lignin-containing raw material. FI74750C (en)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FI860609A FI74750C (en) 1985-03-22 1986-02-11 Process for preparing bleached cellulose pulp from lignin-containing raw material.
DE8686901881T DE3671924D1 (en) 1985-03-22 1986-03-24 METHOD FOR PRODUCING BLEACHED PULP FROM LIGNOCELLULOUS RAW MATERIAL.
AT86901881T ATE53613T1 (en) 1985-03-22 1986-03-24 PROCESS FOR PRODUCTION OF BLEACHED PULP FROM LIGNOCELLULOSE RAW MATERIAL.
AU55892/86A AU5589286A (en) 1985-03-22 1986-03-24 Process for preparing bleached pulp out of lignocellulosic raw material
EP86901881A EP0250422B1 (en) 1985-03-22 1986-03-24 Process for preparing bleached pulp from lignocellulosic raw material
PCT/FI1986/000028 WO1986005529A1 (en) 1985-03-22 1986-03-24 Process for preparing bleached pulp out of lignocellulosic raw material
JP61501856A JPH0737720B2 (en) 1985-03-22 1986-03-24 Method for producing bleached pulp from lignocellulosic raw material
US06/936,344 US4793898A (en) 1985-02-22 1986-03-24 Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide
CA000507591A CA1284557C (en) 1986-02-11 1986-04-25 Process for preparing pulp out of lignocellulosic raw material
NO864660A NO166138C (en) 1985-03-22 1986-11-21 PROCEDURE FOR THE PREPARATION OF INKED TREMASS.
BR8700589A BR8700589A (en) 1986-02-11 1987-02-10 PROCESS FOR THE PREPARATION OF MILLED PULP FROM LIGNOCELLULOSIC RAW MATERIA

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI851156A FI851156A0 (en) 1985-03-22 1985-03-22 FOERFARANDE FOER FRAMSTAELLNING AV BLEKT CELLULOSAMASSA AV LIGNINHALTIGT RAOMATERIAL.
FI851156 1985-03-22
FI860609A FI74750C (en) 1985-03-22 1986-02-11 Process for preparing bleached cellulose pulp from lignin-containing raw material.
FI860609 1986-02-11

Publications (4)

Publication Number Publication Date
FI860609A0 true FI860609A0 (en) 1986-02-11
FI860609A FI860609A (en) 1986-09-23
FI74750B FI74750B (en) 1987-11-30
FI74750C FI74750C (en) 1988-03-10

Family

ID=26157741

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860609A FI74750C (en) 1985-02-22 1986-02-11 Process for preparing bleached cellulose pulp from lignin-containing raw material.

Country Status (6)

Country Link
EP (1) EP0250422B1 (en)
JP (1) JPH0737720B2 (en)
AU (1) AU5589286A (en)
DE (1) DE3671924D1 (en)
FI (1) FI74750C (en)
WO (1) WO1986005529A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80191C (en) * 1988-03-30 1990-05-10 Valio Meijerien Procedure and preservatives for the silage of feed
DE19516151A1 (en) * 1995-05-03 1996-11-07 Sven Siegle Process for the production of a pulp from cellulosic material, the pulp itself and its use
GB2304126A (en) * 1995-08-10 1997-03-12 Warwick Int Group Pulp treatment process
FI103588B (en) * 1996-01-19 1999-07-30 Esa Rousu Consulting Oy A process for the production of raw materials for artificial and other fibers from herbaceous plants
FI103899B (en) * 1996-11-06 1999-10-15 Chempolis Oy Process for producing extremely pale pulp
FI116390B (en) 1998-05-05 2005-11-15 Chempolis Oy Process for making pulp
CN100430552C (en) * 2003-05-29 2008-11-05 中国科学院成都有机化学研究所 Cooking catalyst for papermaking and pulping
JP5938979B2 (en) * 2012-03-23 2016-06-22 日本製紙株式会社 Treatment method of plant-based materials
RU2590882C1 (en) * 2015-04-27 2016-07-10 Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) Method of producing cellulose
DE102016219719B3 (en) * 2016-10-11 2018-01-25 Clariant International Ltd. Process for recovering cellulose, hemicellulose and lignocellulose from plant biomass
CN112778539A (en) * 2021-01-04 2021-05-11 中国林业科学研究院林产化学工业研究所 Method for preparing oxidized lignin with high carboxyl content from fiber raw material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969093C (en) * 1948-11-11 1958-04-30 Aschaffenburger Zellstoffwerke Process for the production of bleached cellulose from wood or other vegetable material
US2939813A (en) * 1956-04-25 1960-06-07 Columbia Cellulose Company Ltd Pulping of lignocellulosic material
US3458394A (en) * 1965-10-08 1969-07-29 Scott Paper Co Pulping wood chips with peracetic acid and chlorine dioxide
JPS5417041A (en) * 1977-07-07 1979-02-08 Mitsubishi Electric Corp Refractive index distribution type lens and production thereof
DE3005947B1 (en) * 1980-02-16 1981-01-29 Degussa Process for bleaching pulp using organic peracid

Also Published As

Publication number Publication date
AU5589286A (en) 1986-10-13
FI74750B (en) 1987-11-30
FI860609A (en) 1986-09-23
FI74750C (en) 1988-03-10
DE3671924D1 (en) 1990-07-19
JPH0737720B2 (en) 1995-04-26
EP0250422A1 (en) 1988-01-07
JPS62502553A (en) 1987-10-01
WO1986005529A1 (en) 1986-09-25
EP0250422B1 (en) 1990-06-13

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: OY KESKUSLABORATORIO-CENTRALLABORATORIUM AB