FI47390C - Menetelmä ja laitos kahden eritavoin esikäsitellyn hakeryhmän yhteistä liuotuskeittämistä varten. - Google Patents

Menetelmä ja laitos kahden eritavoin esikäsitellyn hakeryhmän yhteistä liuotuskeittämistä varten.

Info

Publication number
FI47390C
FI47390C FI682597A FI259768A FI47390C FI 47390 C FI47390 C FI 47390C FI 682597 A FI682597 A FI 682597A FI 259768 A FI259768 A FI 259768A FI 47390 C FI47390 C FI 47390C
Authority
FI
Finland
Prior art keywords
treated chip
chip fractions
differently pre
cooking
joint
Prior art date
Application number
FI682597A
Other languages
English (en)
Swedish (sv)
Other versions
FI47390B (fi
Inventor
Richter
Original Assignee
Kamyr 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 Kamyr Ab filed Critical Kamyr Ab
Publication of FI47390B publication Critical patent/FI47390B/fi
Application granted granted Critical
Publication of FI47390C publication Critical patent/FI47390C/fi

Links

Classifications

    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
FI682597A 1967-09-18 1968-09-16 Menetelmä ja laitos kahden eritavoin esikäsitellyn hakeryhmän yhteistä liuotuskeittämistä varten. FI47390C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE12803/67A SE305582B (fi) 1967-09-18 1967-09-18

Publications (2)

Publication Number Publication Date
FI47390B FI47390B (fi) 1973-07-31
FI47390C true FI47390C (fi) 1973-11-12

Family

ID=20296327

Family Applications (1)

Application Number Title Priority Date Filing Date
FI682597A FI47390C (fi) 1967-09-18 1968-09-16 Menetelmä ja laitos kahden eritavoin esikäsitellyn hakeryhmän yhteistä liuotuskeittämistä varten.

Country Status (7)

Country Link
US (1) US3578554A (fi)
BR (1) BR6802420D0 (fi)
DE (1) DE1792540C2 (fi)
FI (1) FI47390C (fi)
FR (1) FR1583131A (fi)
NO (1) NO120660B (fi)
SE (1) SE305582B (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3830689A (en) * 1968-11-19 1974-08-20 Metsaluton Selluloosa Oy Separate impregnation and common digestion of different wooden raw materials
US4152197A (en) * 1974-09-23 1979-05-01 Mo Och Domsjo Ab Process for preparing high-yield cellulose pulps by vapor phase pulping an unpulped portion of lignocellulosic material and a partially chemically pulped portion
US4096027A (en) * 1976-02-19 1978-06-20 Kamyr Inc. System for presteaming wood chips at or near atmospheric pressure with minimum displacement of air
US4123318A (en) * 1976-06-29 1978-10-31 Kamyr, Inc. Three-vessel treatment system
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
SE8502210L (sv) * 1985-05-06 1986-11-07 Sunds Defibrator Framstellning av mekanisk massa
US5213662A (en) * 1991-08-14 1993-05-25 Kamyr, Inc. Treatment of chips with high temperature black liquor to reduce black liquor viscosity
SE502134C2 (sv) * 1994-02-10 1995-08-28 Kvaerner Pulping Tech Optimering av vätske/ved-förhållande i förimpregneringskärl och kontinuerlig kokare vid framställning av kemisk massa
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
US5882477A (en) * 1997-02-10 1999-03-16 Ahlstrom Machinery, Inc. Continuous digester with a low temperature gas-phase
US6186373B1 (en) 1998-04-06 2001-02-13 Andritz-Ahlstrom Inc. Hopper, or bin, screw feeder construction controlling discharge velocity profile
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
SE518789C2 (sv) * 2001-05-04 2002-11-19 Kvaerner Pulping Tech System för matning av flis till flisfickor
US8951388B2 (en) * 2011-04-08 2015-02-10 Pec-Tech Engineering And Construction Pte Ltd Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2948336A (en) * 1955-06-06 1960-08-09 Pandia Inc Continuous digester

Also Published As

Publication number Publication date
FR1583131A (fi) 1969-10-17
FI47390B (fi) 1973-07-31
DE1792540B1 (de) 1972-05-31
SE305582B (fi) 1968-10-28
DE1792540C2 (de) 1973-01-04
BR6802420D0 (pt) 1973-06-07
NO120660B (fi) 1970-11-16
US3578554A (en) 1971-05-11

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