SE387977B - WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS - Google Patents

WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS

Info

Publication number
SE387977B
SE387977B SE7500843A SE7500843A SE387977B SE 387977 B SE387977 B SE 387977B SE 7500843 A SE7500843 A SE 7500843A SE 7500843 A SE7500843 A SE 7500843A SE 387977 B SE387977 B SE 387977B
Authority
SE
Sweden
Prior art keywords
brightness
way
high strength
mechanical pulp
produce bleach
Prior art date
Application number
SE7500843A
Other languages
Swedish (sv)
Other versions
SE7500843L (en
Inventor
J E Hook
Original Assignee
Elektrokemiska Ab
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 Elektrokemiska Ab filed Critical Elektrokemiska Ab
Priority to SE7500843A priority Critical patent/SE387977B/en
Priority to CA242,593A priority patent/CA1078558A/en
Priority to DE2601380A priority patent/DE2601380C2/en
Priority to FI760103A priority patent/FI760103A/fi
Priority to IT47704/76A priority patent/IT1053387B/en
Priority to FR7601510A priority patent/FR2298642A1/en
Priority to NO760232A priority patent/NO760232L/no
Publication of SE7500843L publication Critical patent/SE7500843L/en
Publication of SE387977B publication Critical patent/SE387977B/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
SE7500843A 1975-01-27 1975-01-27 WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS SE387977B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7500843A SE387977B (en) 1975-01-27 1975-01-27 WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS
CA242,593A CA1078558A (en) 1975-01-27 1975-12-24 Process for producing bleached mechanical pulp having high strength and brightness and with low discharge of oxygen consuming substances
DE2601380A DE2601380C2 (en) 1975-01-27 1976-01-15 Process for making bleached mechanical pulp
FI760103A FI760103A (en) 1975-01-27 1976-01-19
IT47704/76A IT1053387B (en) 1975-01-27 1976-01-20 IMPROVEMENT IN PROCEDURES FOR THE PRODUCTION OF CELLULOSE PASTE WITH LOW ORGANIC OXYGEN EFFLUENT
FR7601510A FR2298642A1 (en) 1975-01-27 1976-01-21 Bleached mechanical pulp for paper mfr. - using two stage softening and bleaching treatment to obtain high strength and brightness
NO760232A NO760232L (en) 1975-01-27 1976-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7500843A SE387977B (en) 1975-01-27 1975-01-27 WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS

Publications (2)

Publication Number Publication Date
SE7500843L SE7500843L (en) 1976-07-28
SE387977B true SE387977B (en) 1976-09-20

Family

ID=20323502

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7500843A SE387977B (en) 1975-01-27 1975-01-27 WAY TO PRODUCE BLEACH, MECHANICAL PULP WITH HIGH STRENGTH AND BRIGHTNESS

Country Status (7)

Country Link
CA (1) CA1078558A (en)
DE (1) DE2601380C2 (en)
FI (1) FI760103A (en)
FR (1) FR2298642A1 (en)
IT (1) IT1053387B (en)
NO (1) NO760232L (en)
SE (1) SE387977B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002366A1 (en) * 1982-12-17 1984-06-21 Svenska Traeforskningsinst Method of peroxide bleaching cellulose-containing material

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661430B1 (en) * 1990-04-30 1992-07-17 Atochem HIGH-YIELD PAPER PULP HYDROGEN PEROXIDE BLEACHING PROCESS.
FR2661431B1 (en) * 1990-04-30 1992-07-17 Atochem HIGH-YIELD PAPER PULP HYDROGEN PEROXIDE BLEACHING PROCESS.
WO2003008703A1 (en) 2001-07-19 2003-01-30 Andritz Inc. Four stage alkaline peroxide mechanical pulping
US20040200586A1 (en) 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
DE10234833A1 (en) * 2002-07-31 2004-02-12 Stora Enso Publication Paper Gmbh & Co. Kg Process for digesting waste wood

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR925243A (en) * 1945-04-05 1947-08-28 St Regis Paper Co Improvements to bleached ground wood pulp and its manufacturing processes
FR1204356A (en) * 1957-04-05 1960-01-26 Degussa Mechanical wood pulp manufacturing process
GB838893A (en) * 1957-04-05 1960-06-22 Degussa A process for the production of mechanical wood pulp and newsprint produced therefrom
GB846232A (en) * 1958-01-14 1960-08-31 Hawailan Dev Company Ltd Improvements in and relating to paper-making pulp
FR1277371A (en) * 1960-10-19 1961-12-01 Papeteries De Clairefontaine Process and apparatus for the manufacture of pulp from sawmill waste
SE341322B (en) * 1968-04-02 1971-12-20 Defibrator Ab
BE792031A (en) * 1971-12-14 1973-03-16 Mo Och Domsjoe Ab PROCESS FOR THE PREPARATION OF MECHANICAL PULPS
JP2014197074A (en) * 2013-03-29 2014-10-16 ブラザー工業株式会社 Fixing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1984002366A1 (en) * 1982-12-17 1984-06-21 Svenska Traeforskningsinst Method of peroxide bleaching cellulose-containing material

Also Published As

Publication number Publication date
NO760232L (en) 1976-07-28
FR2298642B1 (en) 1981-10-23
DE2601380A1 (en) 1976-07-29
SE7500843L (en) 1976-07-28
IT1053387B (en) 1981-08-31
DE2601380C2 (en) 1984-03-15
CA1078558A (en) 1980-06-03
FI760103A (en) 1976-07-28
FR2298642A1 (en) 1976-08-20

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