CA1140382A - Process for producing fiberboard wherein dissolved wood matter is separated from the process water - Google Patents

Process for producing fiberboard wherein dissolved wood matter is separated from the process water

Info

Publication number
CA1140382A
CA1140382A CA000349325A CA349325A CA1140382A CA 1140382 A CA1140382 A CA 1140382A CA 000349325 A CA000349325 A CA 000349325A CA 349325 A CA349325 A CA 349325A CA 1140382 A CA1140382 A CA 1140382A
Authority
CA
Canada
Prior art keywords
water
wood
passing
pulp
fiber pulp
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
CA000349325A
Other languages
English (en)
French (fr)
Inventor
Axel G. Ronnquist
Eskil Berglund
Lars G. Carendi
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.)
KF INDUSTRI AB
Original Assignee
KF INDUSTRI 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 KF INDUSTRI AB filed Critical KF INDUSTRI AB
Application granted granted Critical
Publication of CA1140382A publication Critical patent/CA1140382A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/048—Purification of waste water by evaporation
    • 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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
CA000349325A 1979-04-10 1980-04-08 Process for producing fiberboard wherein dissolved wood matter is separated from the process water Expired CA1140382A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7903177A SE417847B (sv) 1979-04-10 1979-04-10 Forfarande for avskiljning av upplosta vedemnen fran processvatten vid tillverkning av fiberskivor
SE7903177-9 1979-04-10

Publications (1)

Publication Number Publication Date
CA1140382A true CA1140382A (en) 1983-02-01

Family

ID=20337781

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000349325A Expired CA1140382A (en) 1979-04-10 1980-04-08 Process for producing fiberboard wherein dissolved wood matter is separated from the process water

Country Status (5)

Country Link
CA (1) CA1140382A (fi)
FI (1) FI801098A (fi)
FR (1) FR2453935B1 (fi)
NO (1) NO801000L (fi)
SE (1) SE417847B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4692214A (en) * 1984-10-29 1987-09-08 Kamyr Ab Apparatus for producing mechanical pulp with a refiner having its drive shaft connected to a steam turbine output shaft
SE466605B (sv) * 1984-10-29 1992-03-09 Kamyr Ab Anlaeggning och foerfaringssaett foer framstaellning av mekanisk massa
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips

Also Published As

Publication number Publication date
SE7903177L (sv) 1980-10-11
SE417847B (sv) 1981-04-13
FR2453935B1 (fr) 1986-02-21
NO801000L (no) 1980-10-13
FR2453935A1 (fr) 1980-11-07
FI801098A (fi) 1980-10-11

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Legal Events

Date Code Title Description
MKEX Expiry