CA1031110A - High yield pulping process - Google Patents

High yield pulping process

Info

Publication number
CA1031110A
CA1031110A CA216,487A CA216487A CA1031110A CA 1031110 A CA1031110 A CA 1031110A CA 216487 A CA216487 A CA 216487A CA 1031110 A CA1031110 A CA 1031110A
Authority
CA
Canada
Prior art keywords
high yield
pulping process
yield pulping
yield
pulping
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
CA216,487A
Other languages
English (en)
French (fr)
Other versions
CA216487S (en
Inventor
Alan R. Procter
Wayne M. Chow
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.)
MacMillan Bloedel Ltd
Original Assignee
MacMillan Bloedel Ltd
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 MacMillan Bloedel Ltd filed Critical MacMillan Bloedel Ltd
Priority to CA216,487A priority Critical patent/CA1031110A/en
Priority to AU87561/75A priority patent/AU492918B2/en
Priority to ZA757815A priority patent/ZA757815B/xx
Priority to SE7514199A priority patent/SE7514199L/xx
Priority to NO754290A priority patent/NO754290L/no
Priority to FR7538823A priority patent/FR2295166A1/fr
Priority to FI753590A priority patent/FI753590A7/fi
Priority to JP15267875A priority patent/JPS5331962B2/ja
Priority to US05/658,868 priority patent/US4045280A/en
Priority to US05/806,677 priority patent/US4067768A/en
Application granted granted Critical
Publication of CA1031110A publication Critical patent/CA1031110A/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
    • D21C3/222—Use of compounds accelerating the pulping processes
CA216,487A 1974-12-19 1974-12-19 High yield pulping process Expired CA1031110A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
CA216,487A CA1031110A (en) 1974-12-19 1974-12-19 High yield pulping process
AU87561/75A AU492918B2 (en) 1974-12-19 1975-12-15 High yield pulping process
ZA757815A ZA757815B (en) 1974-12-19 1975-12-15 High yield pulping process
SE7514199A SE7514199L (sv) 1974-12-19 1975-12-16 Hogutbytesmassa
NO754290A NO754290L (OSRAM) 1974-12-19 1975-12-17
FR7538823A FR2295166A1 (fr) 1974-12-19 1975-12-18 Perfectionnement apporte a la fabrication de la pate a papier
FI753590A FI753590A7 (OSRAM) 1974-12-19 1975-12-18
JP15267875A JPS5331962B2 (OSRAM) 1974-12-19 1975-12-19
US05/658,868 US4045280A (en) 1974-12-19 1976-02-17 Alkaline pulping of lignocellulosic material with amine and nitrate pretreatment
US05/806,677 US4067768A (en) 1974-12-19 1977-06-15 Alkaline pulping of lignocellulosic material with amine and sulfate pretreatment

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA216,487A CA1031110A (en) 1974-12-19 1974-12-19 High yield pulping process
US05/658,868 US4045280A (en) 1974-12-19 1976-02-17 Alkaline pulping of lignocellulosic material with amine and nitrate pretreatment

Publications (1)

Publication Number Publication Date
CA1031110A true CA1031110A (en) 1978-05-16

Family

ID=25667782

Family Applications (1)

Application Number Title Priority Date Filing Date
CA216,487A Expired CA1031110A (en) 1974-12-19 1974-12-19 High yield pulping process

Country Status (7)

Country Link
US (2) US4045280A (OSRAM)
JP (1) JPS5331962B2 (OSRAM)
CA (1) CA1031110A (OSRAM)
FI (1) FI753590A7 (OSRAM)
FR (1) FR2295166A1 (OSRAM)
SE (1) SE7514199L (OSRAM)
ZA (1) ZA757815B (OSRAM)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ185937A (en) * 1976-12-13 1979-10-25 Australian Paper Manufacturers Delignification of lignocellulosic material with amine based liquor containing quinones or hydroqinones
US4505776A (en) * 1982-07-08 1985-03-19 Wescam Services Inc. Composition and method for treating flue gas and methanol containing effluents
DE3520394A1 (de) * 1985-06-07 1986-12-11 Dr. Wolman Gmbh, 7573 Sinzheim Holzschutzmittel
SE502667C2 (sv) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning
US5641385A (en) * 1995-01-17 1997-06-24 The Dow Chemical Company Use of ethyleneamine for washing pulp containing lignin
US20030121630A1 (en) * 2000-04-19 2003-07-03 Zhirun Yuan Inhibition of yellowing in papers
DE10109502A1 (de) * 2001-02-28 2002-09-12 Rhodia Acetow Gmbh Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse sowie die mit dem Verfahren erhältliche Biomasse und Hemicellulose
US7824521B2 (en) * 2006-12-18 2010-11-02 University Of Maine System Board Of Trustees Process of treating a lignocellulosic material with hemicellulose pre-extraction and hemicellulose adsorption
US7842161B2 (en) * 2006-12-18 2010-11-30 The University Of Maine System Board Of Trustees Pre-extraction and solvent pulping of lignocellulosic material
FI120878B (fi) * 2007-09-14 2010-04-15 Valtion Teknillinen Menetelmä hiilihydraattipitoisen raaka-aineen prosessoimiseksi
CN103952942B (zh) * 2014-05-12 2016-08-03 高平 一种以沙柳为原料封闭循环制备植物成型用浆的方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1163438A (en) * 1910-03-14 1915-12-07 Luftbleiche G M B H Bleaching process.
US1860431A (en) * 1928-06-02 1932-05-31 Brown Co Process of producing low-viscosity cellulose fiber
US2218479A (en) * 1936-10-21 1940-10-15 Floyd C Peterson Pulping process
US2192202A (en) * 1936-10-23 1940-03-05 Floyd C Peterson Pulping process
GB579669A (en) * 1943-11-05 1946-08-12 Stanley Charles Bate Improvements in or relating to the production of cellulose
US2668110A (en) * 1948-06-18 1954-02-02 Spencer Method for fiber liberation in cotton stalks and the pulp
US3829357A (en) * 1968-11-20 1974-08-13 Inst Paper Chem Oxidative manufacture of pulp with chlorine dioxide
CA895756A (en) * 1970-04-03 1972-03-21 Macmillan Bloedel Limited Two-stage soda-oxygen pulping
CA895757A (en) * 1970-04-03 1972-03-21 E. Worster Hans Single-stage soda-oxygen pulping
US3736224A (en) * 1971-06-16 1973-05-29 American Cyanamid Co Catalyzed oxygen bleaching
FI52877B (OSRAM) * 1972-11-16 1977-08-31 Ahlstroem Oy

Also Published As

Publication number Publication date
US4067768A (en) 1978-01-10
JPS51102102A (OSRAM) 1976-09-09
AU8756175A (en) 1977-06-23
JPS5331962B2 (OSRAM) 1978-09-06
ZA757815B (en) 1976-11-24
FR2295166A1 (fr) 1976-07-16
FI753590A7 (OSRAM) 1976-06-20
SE7514199L (sv) 1976-06-21
FR2295166B1 (OSRAM) 1981-02-06
US4045280A (en) 1977-08-30

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