FI69491B - Foerfarande foer framstaellning av mekanisk massa - Google Patents

Foerfarande foer framstaellning av mekanisk massa Download PDF

Info

Publication number
FI69491B
FI69491B FI770342A FI770342A FI69491B FI 69491 B FI69491 B FI 69491B FI 770342 A FI770342 A FI 770342A FI 770342 A FI770342 A FI 770342A FI 69491 B FI69491 B FI 69491B
Authority
FI
Finland
Prior art keywords
particles
solution
pulp
chips
wood
Prior art date
Application number
FI770342A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI770342A (es
Inventor
Laurence R Beath
Walter G Mihelich
Original Assignee
Price Co 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 Price Co Ltd filed Critical Price Co Ltd
Publication of FI770342A publication Critical patent/FI770342A/fi
Application granted granted Critical
Publication of FI69491B publication Critical patent/FI69491B/fi

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)
  • Lubricants (AREA)
  • Working-Up Tar And Pitch (AREA)
  • Treatment Of Sludge (AREA)
  • Crushing And Grinding (AREA)
FI770342A 1976-02-20 1977-01-31 Foerfarande foer framstaellning av mekanisk massa FI69491B (fi)

Applications Claiming Priority (2)

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
CA246173 1976-02-20

Publications (2)

Publication Number Publication Date
FI770342A FI770342A (es) 1977-08-21
FI69491B true FI69491B (fi) 1985-10-31

Family

ID=4105276

Family Applications (1)

Application Number Title Priority Date Filing Date
FI770342A FI69491B (fi) 1976-02-20 1977-01-31 Foerfarande foer framstaellning av mekanisk massa

Country Status (9)

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

Families Citing this family (17)

* 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
CA1212505A (en) * 1984-07-17 1986-10-14 Rudy Vit Method, process and apparatus for converting wood, wood residue and or biomass into pulp
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
US2198587A (en) * 1940-04-23 Method of and apparatus for pack
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
CA517294A (en) 1955-10-11 Magnuson Gunnar Defibering presoaked lignocellulose
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
GB1064567A (en) * 1963-05-21 1967-04-05 Depibrator Aktiebolag Method in the manufacture of chemo-mechanical pulps by heating and defibrating in a vapour atmosphere under pressure and at increased temperature of wood chips impregnated with sulphite solution

Also Published As

Publication number Publication date
NO770526L (no) 1977-08-23
JPS6123318B2 (es) 1986-06-05
AU505570B2 (en) 1979-11-22
NO151596B (no) 1985-01-21
BR7701042A (pt) 1977-10-18
AU2180877A (en) 1978-08-10
NO151596C (no) 1991-05-30
NZ183364A (en) 1978-09-25
SE459864B (sv) 1989-08-14
US4259148A (en) 1981-03-31
CA1075857A (en) 1980-04-22
JPS52103501A (en) 1977-08-30
SE7701635L (sv) 1977-08-21
FI770342A (es) 1977-08-21

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Owner name: THE PRICE COMPANY LIMITED