CA1284557C - Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique - Google Patents

Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique

Info

Publication number
CA1284557C
CA1284557C CA000507591A CA507591A CA1284557C CA 1284557 C CA1284557 C CA 1284557C CA 000507591 A CA000507591 A CA 000507591A CA 507591 A CA507591 A CA 507591A CA 1284557 C CA1284557 C CA 1284557C
Authority
CA
Canada
Prior art keywords
stage
pulp
acid
hydrogen peroxide
liquor
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
CA000507591A
Other languages
English (en)
Inventor
Lauri Aukusti Laamanen
Jorma Juhani Sundquist
Seppo Veli-Matti Kauliomaki
Ilkka Yrjo Paavo Wartiovaara
Kristiina 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 - CENTRALLABORATORIUM Oy AB
Original Assignee
OY KESKUSLABORATORIO - CENTRALLABORATORIUM 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
Priority claimed from FI860609A external-priority patent/FI74750C/fi
Application filed by OY KESKUSLABORATORIO - CENTRALLABORATORIUM AB filed Critical OY KESKUSLABORATORIO - CENTRALLABORATORIUM AB
Application granted granted Critical
Publication of CA1284557C publication Critical patent/CA1284557C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Paper (AREA)
CA000507591A 1986-02-11 1986-04-25 Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique Expired - Fee Related CA1284557C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI860609 1986-02-11
FI860609A FI74750C (fi) 1985-03-22 1986-02-11 Foerfarande foer framstaellning av blekt cellulosamassa utav ligninhaltigt raomaterial.
FIPCTF186/00028 1986-03-24
PCT/FI1986/000028 WO1986005529A1 (fr) 1985-03-22 1986-03-24 Procede de preparation de pate a papier blanchie a partir de matieres premieres lignocellulosiques

Publications (1)

Publication Number Publication Date
CA1284557C true CA1284557C (fr) 1991-06-04

Family

ID=26157899

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000507591A Expired - Fee Related CA1284557C (fr) 1986-02-11 1986-04-25 Methode de preparation de la pate a papier a partir de matiere brute lignocellulosique

Country Status (1)

Country Link
CA (1) CA1284557C (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112127192A (zh) * 2019-06-24 2020-12-25 广州腾龙材料科技有限公司 复合脱色碱式增白剂及其制备方法与应用

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112127192A (zh) * 2019-06-24 2020-12-25 广州腾龙材料科技有限公司 复合脱色碱式增白剂及其制备方法与应用

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