CA1174013A - Methode d'usage en fabrication de la pate mecanique - Google Patents

Methode d'usage en fabrication de la pate mecanique

Info

Publication number
CA1174013A
CA1174013A CA000375146A CA375146A CA1174013A CA 1174013 A CA1174013 A CA 1174013A CA 000375146 A CA000375146 A CA 000375146A CA 375146 A CA375146 A CA 375146A CA 1174013 A CA1174013 A CA 1174013A
Authority
CA
Canada
Prior art keywords
bleaching
pulp
stage
washing
resin
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
Application number
CA000375146A
Other languages
English (en)
Inventor
Per-Erik Andersson
Goran E. Annergren
Tjell-Dke Hagglund
Hans E. Hoglund
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.)
SCA Development AB
Original Assignee
SCA Development 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 SCA Development AB filed Critical SCA Development AB
Application granted granted Critical
Publication of CA1174013A publication Critical patent/CA1174013A/fr
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/08Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
CA000375146A 1980-04-10 1981-04-09 Methode d'usage en fabrication de la pate mecanique Expired CA1174013A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8002728A SE445051B (sv) 1980-04-10 1980-04-10 Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
SE8002728-7 1980-04-10

Publications (1)

Publication Number Publication Date
CA1174013A true CA1174013A (fr) 1984-09-11

Family

ID=20340719

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000375146A Expired CA1174013A (fr) 1980-04-10 1981-04-09 Methode d'usage en fabrication de la pate mecanique

Country Status (10)

Country Link
JP (1) JPS56159384A (fr)
AU (2) AU6901281A (fr)
CA (1) CA1174013A (fr)
DE (1) DE3114427A1 (fr)
FI (1) FI73016C (fr)
FR (1) FR2480321A1 (fr)
IT (1) IT1209859B (fr)
NL (1) NL187865C (fr)
NO (1) NO159107C (fr)
SE (1) SE445051B (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2567930B1 (fr) * 1984-07-17 1986-08-29 Centre Tech Ind Papier Procede et installation pour le recyclage de vieux papiers imprimes
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering
CA1294396C (fr) * 1986-05-30 1992-01-21 Richard Berry Procede pour diminuer la charge de produits chimiques requise dans une etape d'extraction nettoyante
FI115978B (fi) * 2000-11-16 2005-08-31 Ciba Sc Holding Ag Menetelmä ei-kuitupitoisten ainesten ottamiseksi talteen puumateriaalista
CN105064110B (zh) * 2015-07-29 2017-04-12 华南理工大学 一种棉短绒制浆装置及其制浆方法
CN105019286B (zh) * 2015-07-29 2017-01-25 华南理工大学 棉短绒高浓过氧化氢漂白制备精制棉的装置及方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE420329C (sv) * 1978-02-16 1984-10-15 Mo Och Domsjoe Ab Forfarande for framstellning av slipmassa vid overtryck
AU539108B2 (en) * 1979-04-17 1984-09-13 Interox Societe Anonyme Delignification of unbleached chemical pulp
SE443383C (sv) * 1981-01-14 1987-11-16 Mo Och Domsjoe Ab Forfarande for tvettning av cellulosamassa
FR2522030A1 (fr) * 1982-02-19 1983-08-26 Scherb Metenett Papeteries Procede de blanchiment selectif de pate a papier et papier obtenu par mise en oeuvre de ce procede

Also Published As

Publication number Publication date
NO811225L (no) 1981-10-12
NL187865B (nl) 1991-09-02
DE3114427A1 (de) 1982-01-14
FR2480321A1 (fr) 1981-10-16
AU2316984A (en) 1984-05-10
NL8101748A (nl) 1981-11-02
NL187865C (nl) 1992-02-03
AU6901281A (en) 1981-10-29
IT8148224A0 (it) 1981-04-07
FI73016B (fi) 1987-04-30
AU568112B2 (en) 1987-12-17
DE3114427C2 (fr) 1987-12-17
NO159107C (no) 1988-11-30
SE8002728L (sv) 1981-10-11
IT1209859B (it) 1989-08-30
FI73016C (fi) 1987-08-10
FI811096L (fi) 1981-10-11
FR2480321B1 (fr) 1984-09-14
NO159107B (no) 1988-08-22
JPS56159384A (en) 1981-12-08
SE445051B (sv) 1986-05-26
JPH0219236B2 (fr) 1990-05-01

Similar Documents

Publication Publication Date Title
CA2073763C (fr) Methode de production de pate thermo-chimico-mecanique
US4294653A (en) Process for manufacturing chemimechanical cellulose pulp in a high yield within the range from 65 to 95%
CA2596796C (fr) Processus et systemes de trituration de substances lignocellulosiques
US3865685A (en) Multiple step bleaching of cellulose with a per compound and chloride dioxide
US4160693A (en) Process for the bleaching of cellulose pulp
US5607546A (en) CTMP-process
CA2118316A1 (fr) Methode de blanchiment de la pate excluant l'utilisation de produits chimiques contenant du chlore
CA1272563A (fr) Methode de fabrication de pate de fibres blanchie de type chimiomecanique et semi-chemique par un procede d'impregnation a une etape
CA1294091C (fr) Methode pour intensifier le lavage d'une suspension de fibres
US4915785A (en) Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate
CA1110480A (fr) Methode de preparation de la pate de bois
CA1164704A (fr) Methode pour ameliorer le lavage des pates de cellulose
US5007985A (en) Method of reducing the energy consumption at the refining of cellulose containing material
CA1174013A (fr) Methode d'usage en fabrication de la pate mecanique
CA1221809A (fr) Defibrage de la pate chimique
WO2004050983A1 (fr) Procede et systeme de traitement de copeaux de bois
US3919041A (en) Multi-stage chlorine dioxide delignification of wood pulp
EP0494519A1 (fr) Procédé de lessivage à haut rendement
EP0464110B1 (fr) Procede de blanchiment servant a la production de pulpes tres claires
WO1992012288A1 (fr) Addition de substance alcaline en deux etapes pour une delignification a base d'oxygene d'une pate a consistance elevee
US3186899A (en) Groundwood pulp
US5554258A (en) Flotation process for mechanical pulp using a surface active agent
CN104703718B (zh) 木质纤维素纤维束材料的化学处理及与其相关的方法和系统
EP1115944A1 (fr) Procede de preparation d'une pate fibreuse a partir de plantes herbacees
CA2109513A1 (fr) Methode de production d'une pate chimiothermomecanique

Legal Events

Date Code Title Description
MKEX Expiry