DE3671924D1 - Verfahren zur herstellung gebleichter pulpe aus lignocelluloserohstoff. - Google Patents

Verfahren zur herstellung gebleichter pulpe aus lignocelluloserohstoff.

Info

Publication number
DE3671924D1
DE3671924D1 DE8686901881T DE3671924T DE3671924D1 DE 3671924 D1 DE3671924 D1 DE 3671924D1 DE 8686901881 T DE8686901881 T DE 8686901881T DE 3671924 T DE3671924 T DE 3671924T DE 3671924 D1 DE3671924 D1 DE 3671924D1
Authority
DE
Germany
Prior art keywords
lignocellulous
raw material
bleached pulp
producing bleached
producing
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.)
Expired - Fee Related
Application number
DE8686901881T
Other languages
German (de)
English (en)
Inventor
Aukusti Laamanen
Juhani Sundquist
Yrjoe Wartiovaara
Veli-Matti Kauliomaeki
Johanna Poppius
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.)
KESKUSLABORATORIO
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/fi
Application filed by KESKUSLABORATORIO filed Critical KESKUSLABORATORIO
Application granted granted Critical
Publication of DE3671924D1 publication Critical patent/DE3671924D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE8686901881T 1985-03-22 1986-03-24 Verfahren zur herstellung gebleichter pulpe aus lignocelluloserohstoff. Expired - Fee Related DE3671924D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI851156A FI851156A0 (fi) 1985-03-22 1985-03-22 Foerfarande foer framstaellning av blekt cellulosamassa av ligninhaltigt raomaterial.
FI860609A FI74750C (fi) 1985-03-22 1986-02-11 Foerfarande foer framstaellning av blekt cellulosamassa utav ligninhaltigt raomaterial.
PCT/FI1986/000028 WO1986005529A1 (en) 1985-03-22 1986-03-24 Process for preparing bleached pulp out of lignocellulosic raw material

Publications (1)

Publication Number Publication Date
DE3671924D1 true DE3671924D1 (de) 1990-07-19

Family

ID=26157741

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686901881T Expired - Fee Related DE3671924D1 (de) 1985-03-22 1986-03-24 Verfahren zur herstellung gebleichter pulpe aus lignocelluloserohstoff.

Country Status (6)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80191C (fi) * 1988-03-30 1990-05-10 Valio Meijerien Foerfarande och konserveringsmedel foer ensilering av foder.
DE19516151A1 (de) * 1995-05-03 1996-11-07 Sven Siegle Verfahren zur Herstellung einer Pulpe aus zellulosehaltigem Material, die Pulpe selbst und deren Verwendung
GB2304126A (en) * 1995-08-10 1997-03-12 Warwick Int Group Pulp treatment process
FI103588B1 (fi) * 1996-01-19 1999-07-30 Esa Rousu Consulting Oy Menetelmä tekokuitujen ja muiden kuitujen raaka-aineen valmistamiseksi ruohovartisista kasveista
FI103899B (fi) * 1996-11-06 1999-10-15 Chempolis Oy Menetelmä erityisen vaalean massan valmistamiseksi
FI116390B (fi) 1998-05-05 2005-11-15 Chempolis Oy Menetelmä massan valmistamiseksi
CN100430552C (zh) * 2003-05-29 2008-11-05 中国科学院成都有机化学研究所 一种造纸制浆用蒸煮催化剂
JP5938979B2 (ja) * 2012-03-23 2016-06-22 日本製紙株式会社 植物系原料の処理方法
RU2590882C1 (ru) * 2015-04-27 2016-07-10 Федеральное Государственное Бюджетное Учреждение Науки Институт Химии И Химической Технологии Сибирского Отделения Российской Академии Наук (Иххт Со Ран) Способ получения целлюлозы
DE102016219719B3 (de) * 2016-10-11 2018-01-25 Clariant International Ltd. Verfahren zur Gewinnung von Cellulose, Hemicellulose und Lignin aus Lignocellulose aus pflanzlicher Biomasse
CN112778539A (zh) * 2021-01-04 2021-05-11 中国林业科学研究院林产化学工业研究所 一种从纤维原料中制备高羧基含量的氧化木质素的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969093C (de) * 1948-11-11 1958-04-30 Aschaffenburger Zellstoffwerke Verfahren zur Herstellung von gebleichtem Zellstoff aus Holz oder anderem pflanzlichem 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 (de) * 1980-02-16 1981-01-29 Degussa Verfahren zur Bleiche von Zellstoffen mittels organischer Persaeure

Also Published As

Publication number Publication date
AU5589286A (en) 1986-10-13
FI74750B (fi) 1987-11-30
JPS62502553A (ja) 1987-10-01
EP0250422B1 (en) 1990-06-13
FI860609A0 (fi) 1986-02-11
WO1986005529A1 (en) 1986-09-25
EP0250422A1 (en) 1988-01-07
JPH0737720B2 (ja) 1995-04-26
FI860609A (fi) 1986-09-23
FI74750C (fi) 1988-03-10

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee