GB1119546A - Improved method of treating fibrous material - Google Patents

Improved method of treating fibrous material

Info

Publication number
GB1119546A
GB1119546A GB861566A GB861566A GB1119546A GB 1119546 A GB1119546 A GB 1119546A GB 861566 A GB861566 A GB 861566A GB 861566 A GB861566 A GB 861566A GB 1119546 A GB1119546 A GB 1119546A
Authority
GB
United Kingdom
Prior art keywords
fibrous material
clo2
squeezing
pretreatment
reaction
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
GB861566A
Other languages
English (en)
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.)
PAPER CHEMISTRY INST
Institute of Paper Chemistry
Original Assignee
PAPER CHEMISTRY INST
Institute of Paper Chemistry
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 PAPER CHEMISTRY INST, Institute of Paper Chemistry filed Critical PAPER CHEMISTRY INST
Publication of GB1119546A publication Critical patent/GB1119546A/en
Expired 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/003—Pulping cellulose-containing materials with organic compounds
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Paper (AREA)
  • Compounds Of Unknown Constitution (AREA)
GB861566A 1965-03-01 1966-02-28 Improved method of treating fibrous material Expired GB1119546A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43579665A 1965-03-01 1965-03-01

Publications (1)

Publication Number Publication Date
GB1119546A true GB1119546A (en) 1968-07-10

Family

ID=23729838

Family Applications (1)

Application Number Title Priority Date Filing Date
GB861566A Expired GB1119546A (en) 1965-03-01 1966-02-28 Improved method of treating fibrous material

Country Status (4)

Country Link
JP (1) JPS5417041B1 (cs)
DE (1) DE1692855A1 (cs)
FI (1) FI48366B (cs)
GB (1) GB1119546A (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548674A (en) * 1983-08-08 1985-10-22 Interox (Societe Anonyme) Process for the regeneration of waste paper
WO2000077301A1 (en) * 1999-06-15 2000-12-21 Kemira Chemicals Oy Method to improve the opacity of mechanical pulp by using aliphatic peroxyacids and use of peroxyacids to improve opacity
EP1389646A1 (en) * 2002-07-19 2004-02-18 Crosmill Ltd Process for making paper
ITTO20090351A1 (it) * 2009-05-04 2010-11-05 Univ Pisa Procedimento di produzione di schiume poliuretaniche/poliureiche da materiali a base di lignina

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4548674A (en) * 1983-08-08 1985-10-22 Interox (Societe Anonyme) Process for the regeneration of waste paper
WO2000077301A1 (en) * 1999-06-15 2000-12-21 Kemira Chemicals Oy Method to improve the opacity of mechanical pulp by using aliphatic peroxyacids and use of peroxyacids to improve opacity
EP1389646A1 (en) * 2002-07-19 2004-02-18 Crosmill Ltd Process for making paper
ITTO20090351A1 (it) * 2009-05-04 2010-11-05 Univ Pisa Procedimento di produzione di schiume poliuretaniche/poliureiche da materiali a base di lignina

Also Published As

Publication number Publication date
JPS5417041B1 (cs) 1979-06-27
FI48366B (cs) 1974-05-31
DE1692855A1 (de) 1971-10-21

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