CA1274657A - High yield pulping and bleaching process - Google Patents

High yield pulping and bleaching process

Info

Publication number
CA1274657A
CA1274657A CA000518592A CA518592A CA1274657A CA 1274657 A CA1274657 A CA 1274657A CA 000518592 A CA000518592 A CA 000518592A CA 518592 A CA518592 A CA 518592A CA 1274657 A CA1274657 A CA 1274657A
Authority
CA
Canada
Prior art keywords
chips
impregnation
per liter
peroxide
impregnation solution
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
CA000518592A
Other languages
English (en)
French (fr)
Inventor
Harry Douglas Wilder
Victor Michael Gentile Jr.
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.)
Kimberly Clark Worldwide Inc
Original Assignee
Scott Paper Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25113415&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1274657(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Scott Paper Co filed Critical Scott Paper Co
Application granted granted Critical
Publication of CA1274657A publication Critical patent/CA1274657A/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
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA000518592A 1985-09-20 1986-09-18 High yield pulping and bleaching process Expired CA1274657A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US77845785A 1985-09-20 1985-09-20
US778,457 1985-09-20

Publications (1)

Publication Number Publication Date
CA1274657A true CA1274657A (en) 1990-10-02

Family

ID=25113415

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000518592A Expired CA1274657A (en) 1985-09-20 1986-09-18 High yield pulping and bleaching process

Country Status (10)

Country Link
EP (1) EP0239583B2 (es)
AR (1) AR243622A1 (es)
AU (3) AU605745B2 (es)
BR (1) BR8606875A (es)
CA (1) CA1274657A (es)
DE (1) DE3676490D1 (es)
ES (1) ES2002755A6 (es)
MX (1) MX174399B (es)
PT (1) PT83406B (es)
WO (1) WO1987001746A1 (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458690B (sv) * 1986-11-06 1989-04-24 Sunds Defibrator Saett att framstaella mekanisk massa fraan lignocellulosahaltigt material i styckeform med en laengd i fiberriktningen av minst 200 mm
CA2057231A1 (en) * 1991-01-07 1992-07-08 Ulrike Tschirner Method of pretreating lignocellulosic materials prior to alkaline peroxide high yield pulping
FR2672315B1 (fr) * 1991-01-31 1996-06-07 Hoechst France Nouveau procede de raffinage de la pate a papier.
US8268122B2 (en) 2005-12-02 2012-09-18 Akzo Nobel N.V. Process of producing high-yield pulp
CA2631545C (en) * 2005-12-02 2014-08-19 Akzo Nobel N.V. Process of producing high-yield pulp
US9273270B2 (en) 2014-02-20 2016-03-01 Church & Dwight Co., Inc. Unit dose cleaning products for delivering a peroxide-containing bleaching agent

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE496197C (de) * 1928-05-15 1930-04-17 Carl G Schwalbe Dr Verfahren zur Herstellung von Zellstoff aus verholzten Fasern
CA895757A (en) * 1970-04-03 1972-03-21 E. Worster Hans Single-stage soda-oxygen pulping
US4187141A (en) * 1975-02-24 1980-02-05 Alf Societe Anonyme Method of producing bleached mechanical pulp
SE436368B (sv) * 1979-01-12 1984-12-03 Sunds Defibrator Sett att framstella blekta, mekaniska, kemimekaniska och halvkemiska massor av lignocellulosahaltiga fibermaterial
JPS63402A (ja) * 1986-06-18 1988-01-05 Toyota Motor Corp 焼結鍛造用原料粉末およびその粉末を使用した焼結鍛造法

Also Published As

Publication number Publication date
AU6225386A (en) 1987-04-07
AU6658290A (en) 1991-01-31
AU605745B2 (en) 1991-01-24
AU3984493A (en) 1993-08-19
EP0239583A4 (en) 1988-03-22
PT83406B (pt) 1989-05-12
AU663781B2 (en) 1995-10-19
EP0239583B1 (en) 1991-01-02
EP0239583A1 (en) 1987-10-07
AR243622A1 (es) 1993-08-31
MX174399B (es) 1994-05-13
ES2002755A6 (es) 1988-10-01
BR8606875A (pt) 1987-11-03
WO1987001746A1 (en) 1987-03-26
DE3676490D1 (de) 1991-02-07
EP0239583B2 (en) 1994-01-12
PT83406A (en) 1986-10-01

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Legal Events

Date Code Title Description
MKLA Lapsed