CS230564B2 - Production method of chemical pulp - Google Patents

Production method of chemical pulp Download PDF

Info

Publication number
CS230564B2
CS230564B2 CS795234A CS523479A CS230564B2 CS 230564 B2 CS230564 B2 CS 230564B2 CS 795234 A CS795234 A CS 795234A CS 523479 A CS523479 A CS 523479A CS 230564 B2 CS230564 B2 CS 230564B2
Authority
CS
Czechoslovakia
Prior art keywords
zone
bed
turpentine
gases
steam
Prior art date
Application number
CS795234A
Other languages
Czech (cs)
English (en)
Inventor
Erik G Kroneld
Per-Erik Andersson
Original Assignee
Obbola Linerboard 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
Priority claimed from SE7808198A external-priority patent/SE412771C/sv
Priority claimed from SE7808897A external-priority patent/SE420330C/sv
Application filed by Obbola Linerboard Ab filed Critical Obbola Linerboard Ab
Publication of CS230564B2 publication Critical patent/CS230564B2/cs

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

Landscapes

  • Paper (AREA)
  • Soy Sauces And Products Related Thereto (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
CS795234A 1978-07-27 1979-07-27 Production method of chemical pulp CS230564B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7808198A SE412771C (sv) 1978-07-27 1978-07-27 Sett vid satsvis kokning av cellulosamaterial for att tillvarata verme- och terpentininnehall i blasanga
SE7808897A SE420330C (sv) 1978-08-23 1978-08-23 Sett vid kokning av kemisk massa

Publications (1)

Publication Number Publication Date
CS230564B2 true CS230564B2 (en) 1984-08-13

Family

ID=26657086

Family Applications (1)

Application Number Title Priority Date Filing Date
CS795234A CS230564B2 (en) 1978-07-27 1979-07-27 Production method of chemical pulp

Country Status (11)

Country Link
US (1) US4274911A (no)
AR (1) AR221245A1 (no)
AU (1) AU530455B2 (no)
BR (1) BR7904767A (no)
CA (1) CA1135100A (no)
CS (1) CS230564B2 (no)
FI (1) FI66661C (no)
FR (1) FR2433611A1 (no)
NO (1) NO156533C (no)
NZ (1) NZ191061A (no)
PL (1) PL117370B1 (no)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE422604B (sv) * 1980-08-29 1982-03-15 Modo Chemetics Ab Forfarande for flidforvermning
US4568422A (en) * 1981-12-08 1986-02-04 Georgia-Pacific Corporation System for recovering heat in an alkaline pulp digesting process
US4421597A (en) * 1981-12-08 1983-12-20 Georgia-Pacific Corporation Method for recovering heat in an alkaline pulp digesting process
DE3149587A1 (de) * 1981-12-15 1983-06-23 Werner & Pfleiderer, 7000 Stuttgart Verfahren und vorrichtung zur hydrolytischen spaltung von cellulose
SE443770B (sv) * 1982-02-25 1986-03-10 Kamyr Ab Lagringsbehallare av massgods
SE453673B (sv) * 1985-07-02 1988-02-22 Kamyr Ab Sett vid kontinuerlig kokning for uppvermning av fibermaterialet vid kokarens topp
US4925527A (en) * 1989-02-22 1990-05-15 Ahlstromforetagen Svenska Ab Method for the recovery of turpentine and heat in a refiner pulping process
US6103057A (en) * 1997-06-11 2000-08-15 Fagerlund; Bertil K. Kraft digesting process wherein a vapor interface is formed by withdrawing hot cooking liquor
US6306248B1 (en) * 1997-11-20 2001-10-23 The University Of Alabama In Huntsville Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock
FI121384B (fi) * 1999-12-29 2010-10-29 Metso Paper Inc Parannettu menetelmä sellumassan valmistamiseksi tärpätin talteenotolla
US6419788B1 (en) * 2000-08-16 2002-07-16 Purevision Technology, Inc. Method of treating lignocellulosic biomass to produce cellulose
FI119110B (fi) * 2001-11-09 2008-07-31 Andritz Oy Menetelmä lauhteiden käsittelemiseksi
US7815741B2 (en) 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose
US7815876B2 (en) 2006-11-03 2010-10-19 Olson David A Reactor pump for catalyzed hydrolytic splitting of cellulose

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE319594C (de) * 1920-01-16 1920-03-05 Carl G Schwalbe Dr Verfahren zur Beseitigung der riechenden Stoffe aus Abgasen der Natronzellstoffabrikation
US1576643A (en) * 1925-06-22 1926-03-16 Lemuel B Decker Apparatus and process for gas and heat recovery from digester blowoff exhaust vapors
US3013933A (en) * 1953-01-28 1961-12-19 Rayonier Inc Method for preparation of wood cellulose
US2870009A (en) * 1955-06-15 1959-01-20 Kamyr Ab Method and apparatus for the separation of liquids from cellulosic pulp
GB1043460A (en) * 1964-08-07 1966-09-21 Rayonier Inc Improvements in continuous aqueous prehydrolysis of wood chips
US3432402A (en) * 1967-01-19 1969-03-11 Arizona Chem Recovery of turpentine from black liquor
US3816239A (en) * 1971-03-12 1974-06-11 Envirotech Corp Recovery of terpenes
US3764461A (en) * 1971-09-09 1973-10-09 Scott Paper Co Recovery and separation of chemicals produced during kraft pulping operations
SE391544C (sv) * 1974-12-10 1985-10-28 Billeruds Ab Sett for forcerad hartsmognad hos vedflis
US4033811A (en) * 1975-06-09 1977-07-05 Stig Gloersen Method and apparatus for filling of fiber material and liquid to steam phase in treatment vessel
FI52128C (fi) * 1976-04-12 1977-06-10 Rosenlew Ab Oy W Tapa ottaa sellutuksessa talteen lämpöä sekä helposti haihtuvia alkoho leja ja rikkiyhdisteitä sisältävät fraktiot mustalipeästä.
FI52367C (fi) * 1976-04-20 1977-08-10 Rosenlew Ab Oy W Menetelmä sellutuksessa syntyvien rikkiyhdisteiden, helposti haihtuvie n alkoholien ja tärpätin tai sen tapaisten talteenottamiseksi

Also Published As

Publication number Publication date
NO792471L (no) 1980-01-29
PL117370B1 (en) 1981-07-31
NO156533B (no) 1987-06-29
NZ191061A (en) 1982-03-16
FR2433611B1 (no) 1981-08-21
FI66661B (fi) 1984-07-31
AR221245A1 (es) 1981-01-15
CA1135100A (en) 1982-11-09
PL217389A1 (no) 1980-05-05
US4274911A (en) 1981-06-23
BR7904767A (pt) 1980-04-22
AU4932279A (en) 1980-02-28
AU530455B2 (en) 1983-07-14
FR2433611A1 (fr) 1980-03-14
FI792344A (fi) 1980-01-28
NO156533C (no) 1987-10-07
FI66661C (fi) 1984-11-12

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