CA1075857A - Chemical pretreatment of wood prior to making refiner groundwood - Google Patents

Chemical pretreatment of wood prior to making refiner groundwood

Info

Publication number
CA1075857A
CA1075857A CA246,173A CA246173A CA1075857A CA 1075857 A CA1075857 A CA 1075857A CA 246173 A CA246173 A CA 246173A CA 1075857 A CA1075857 A CA 1075857A
Authority
CA
Canada
Prior art keywords
particles
sulphite
solution
range
salt
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
CA246,173A
Other languages
English (en)
French (fr)
Inventor
Laurence R. Beath
Walter G. Mihelich
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.)
PRICE Co Ltd (THE)
Original Assignee
PRICE Co Ltd (THE)
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 PRICE Co Ltd (THE) filed Critical PRICE Co Ltd (THE)
Priority to CA246,173A priority Critical patent/CA1075857A/en
Priority to FI770342A priority patent/FI69491B/fi
Priority to AU21808/77A priority patent/AU505570B2/en
Priority to SE7701635A priority patent/SE459864B/xx
Priority to BR7701042A priority patent/BR7701042A/pt
Priority to NO770526A priority patent/NO151596C/no
Priority to NZ183364A priority patent/NZ183364A/xx
Priority to JP1862977A priority patent/JPS52103501A/ja
Priority to US06/116,852 priority patent/US4259148A/en
Application granted granted Critical
Publication of CA1075857A publication Critical patent/CA1075857A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/02—Chip soaking

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Crushing And Grinding (AREA)
  • Lubricants (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Treatment Of Sludge (AREA)
CA246,173A 1976-02-20 1976-02-20 Chemical pretreatment of wood prior to making refiner groundwood Expired CA1075857A (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
CA246,173A CA1075857A (en) 1976-02-20 1976-02-20 Chemical pretreatment of wood prior to making refiner groundwood
FI770342A FI69491B (fi) 1976-02-20 1977-01-31 Foerfarande foer framstaellning av mekanisk massa
AU21808/77A AU505570B2 (en) 1976-02-20 1977-02-01 Chemical pretreatment of wood
SE7701635A SE459864B (sv) 1976-02-20 1977-02-15 Tillverkning av raffinoermassa av traepartiklar med tillsats av kemikalier
BR7701042A BR7701042A (pt) 1976-02-20 1977-02-17 Processo para fabricar uma polpa mecanica de retificador a partir de particulas de madeira
NO770526A NO151596C (no) 1976-02-20 1977-02-17 Fremgangsmaate for fremstilling av raffinoermasse fra trefils ved hjelp av en mekanisk-kjemisk-termisk behandling.
NZ183364A NZ183364A (en) 1976-02-20 1977-02-17 Making refiner mechanical pulp from wood particles
JP1862977A JPS52103501A (en) 1976-02-20 1977-02-21 Process for making pulp through chemical treatment prior to grinding
US06/116,852 US4259148A (en) 1976-02-20 1980-01-30 Process for making refiner mechanical pulp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA246,173A CA1075857A (en) 1976-02-20 1976-02-20 Chemical pretreatment of wood prior to making refiner groundwood

Publications (1)

Publication Number Publication Date
CA1075857A true CA1075857A (en) 1980-04-22

Family

ID=4105276

Family Applications (1)

Application Number Title Priority Date Filing Date
CA246,173A Expired CA1075857A (en) 1976-02-20 1976-02-20 Chemical pretreatment of wood prior to making refiner groundwood

Country Status (9)

Country Link
US (1) US4259148A (2)
JP (1) JPS52103501A (2)
AU (1) AU505570B2 (2)
BR (1) BR7701042A (2)
CA (1) CA1075857A (2)
FI (1) FI69491B (2)
NO (1) NO151596C (2)
NZ (1) NZ183364A (2)
SE (1) SE459864B (2)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0172135A1 (en) * 1984-07-17 1986-02-19 Rudy Vit Method, process and apparatus for converting wood, wood residue, vegetable fibre and biomass into pulp

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE451202C (sv) * 1981-04-03 1989-04-17 Ole Axelson Foerfarande foer framstaellning av kemimekanisk massa
US4502918A (en) * 1981-06-10 1985-03-05 Macmillan Bloedel Limited Two-stage chemical treatment of mechanical wood pulp with sodium sulfite
SE441107C (sv) * 1982-05-07 1991-03-18 Modo Chemetics Ab Foerfarande foer framstaellning av billig hoegutbytesmassa med goda pappersegenskaper
US4431479A (en) * 1982-05-11 1984-02-14 Pulp And Paper Research Institute Of Canada Process for improving and retaining pulp properties
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments
US4708771A (en) * 1984-12-31 1987-11-24 Bear Island Paper Company Two stage process for sulfonating mechanical pulp fibers
US5089089A (en) * 1984-12-31 1992-02-18 Bear Island Paper Company System for sulfonating mechanical pulp fibers
US5203965A (en) * 1988-06-30 1993-04-20 Pope & Talbot, Inc. Utilization of sawdust for pulp production
US5298118A (en) * 1988-07-12 1994-03-29 Atochem Preparation of bleached chemithermomechanical pulp
WO2000019004A1 (en) * 1998-09-25 2000-04-06 Stake Technology Ltd. Semi alkaline steam explosion treatment of fibrous material for the production of cellulose pulp
US6899790B2 (en) * 2000-03-06 2005-05-31 Georgia-Pacific Corporation Method of providing papermaking fibers with durable curl
US6627041B2 (en) 2000-03-06 2003-09-30 Georgia-Pacific Corporation Method of bleaching and providing papermaking fibers with durable curl
JP4799774B2 (ja) * 2001-08-03 2011-10-26 日本製紙株式会社 印刷用紙
JP4273772B2 (ja) * 2003-01-23 2009-06-03 日本製紙株式会社 ケミサーモメカニカルパルプおよびその製造方法と用途
DE102007008955A1 (de) * 2007-02-21 2008-08-28 Voith Patent Gmbh Verfahren zum Herstellen von Faserstoff aus Holz
US8555521B2 (en) * 2010-01-12 2013-10-15 Hot-Woods, Llc Method of treatment of wooden items

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA517294A (en) 1955-10-11 Magnuson Gunnar Defibering presoaked lignocellulose
CA589564A (en) 1959-12-29 Leitner Moriz Method of producing half stuff, which is capable of being bleached, from the wood of coniferous and deciduous trees
US2198587A (en) * 1940-04-23 Method of and apparatus for pack
US2906659A (en) * 1953-07-13 1959-09-29 Abitibi Power & Paper Co High yields bisulphite pulping process
US2949395A (en) * 1956-01-12 1960-08-16 Hazmburg Romulus S Von Pulp process
US2882147A (en) * 1956-03-12 1959-04-14 Monsanto Chemicals Semi-chemical pulping process
DE1517169A1 (de) * 1963-05-21 1969-10-09 Defibrator Aktiebolaget Verfahren zur Herstellung chemischmechanischer Faserstoffe durch Erhitzung und Zerfaserung von mit Sulfitloesungen impraegnierten Holzhackstuecken in Dampfatmosphaere unter Druck und bei erhoehter Temperatur

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0172135A1 (en) * 1984-07-17 1986-02-19 Rudy Vit Method, process and apparatus for converting wood, wood residue, vegetable fibre and biomass into pulp

Also Published As

Publication number Publication date
NO770526L (no) 1977-08-23
SE7701635L (sv) 1977-08-21
BR7701042A (pt) 1977-10-18
US4259148A (en) 1981-03-31
SE459864B (sv) 1989-08-14
JPS52103501A (en) 1977-08-30
NO151596B (no) 1985-01-21
NO151596C (no) 1991-05-30
FI69491B (fi) 1985-10-31
JPS6123318B2 (2) 1986-06-05
AU505570B2 (en) 1979-11-22
FI770342A7 (2) 1977-08-21
AU2180877A (en) 1978-08-10
NZ183364A (en) 1978-09-25

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Legal Events

Date Code Title Description
MKEX Expiry