DE2909409A1 - Verfahren zur herstellung von magnesiumsulfitzellstoff - Google Patents

Verfahren zur herstellung von magnesiumsulfitzellstoff

Info

Publication number
DE2909409A1
DE2909409A1 DE19792909409 DE2909409A DE2909409A1 DE 2909409 A1 DE2909409 A1 DE 2909409A1 DE 19792909409 DE19792909409 DE 19792909409 DE 2909409 A DE2909409 A DE 2909409A DE 2909409 A1 DE2909409 A1 DE 2909409A1
Authority
DE
Germany
Prior art keywords
pulp
oxygen
liquid
digestion
delignification
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.)
Withdrawn
Application number
DE19792909409
Other languages
German (de)
English (en)
Inventor
Lennart Dipl Ing Ivnaes
Karl-Erik Dipl Ing Lekander
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.)
Valmet AB
Original Assignee
Sunds 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 Sunds AB filed Critical Sunds AB
Publication of DE2909409A1 publication Critical patent/DE2909409A1/de
Withdrawn legal-status Critical Current

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
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products
    • 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
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)

Landscapes

  • Paper (AREA)
  • Saccharide Compounds (AREA)
DE19792909409 1978-03-10 1979-03-09 Verfahren zur herstellung von magnesiumsulfitzellstoff Withdrawn DE2909409A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7802789A SE7802789L (sv) 1978-03-10 1978-03-10 Sett vid framstellning av magnesiumsulfitmassa

Publications (1)

Publication Number Publication Date
DE2909409A1 true DE2909409A1 (de) 1979-09-13

Family

ID=20334278

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19792909409 Withdrawn DE2909409A1 (de) 1978-03-10 1979-03-09 Verfahren zur herstellung von magnesiumsulfitzellstoff

Country Status (8)

Country Link
US (1) US4227966A ( )
AT (1) ATA916078A ( )
CA (1) CA1115463A ( )
CS (1) CS216187B2 ( )
DE (1) DE2909409A1 ( )
FI (1) FI783785A ( )
NO (1) NO784058L ( )
SE (1) SE7802789L ( )

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10064131A1 (de) * 2000-12-22 2002-07-25 Sca Hygiene Prod Gmbh Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4601262A (en) * 1984-03-28 1986-07-22 Jones Dallas W Energy balance process for the pulp and paper industry
US20020129912A1 (en) * 2000-12-22 2002-09-19 Sca Hygiene Products Gmbh Fully bleached sulfite chemical pulp, a process for the production thereof and products derived therefrom

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2385955A (en) * 1941-04-08 1945-10-02 George H Tomlinson Manufacture of sulphite pulp
US2716589A (en) * 1951-04-20 1955-08-30 Kaiser Aluminium Chem Corp Process of re-forming magnesium bisulfite solution
US3296064A (en) * 1965-05-04 1967-01-03 William T Neiman Method of treating cellulosic pulping waste liquors with magnesium oxide to form a complex prior to burning thereof
US3843473A (en) * 1971-08-23 1974-10-22 Mo Och Domsjoe Ab Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
SE381897C (sv) * 1973-11-23 1977-05-23 Skogegarnas Ind Ab Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10064131A1 (de) * 2000-12-22 2002-07-25 Sca Hygiene Prod Gmbh Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte
DE10064131C2 (de) * 2000-12-22 2003-03-27 Sca Hygiene Prod Gmbh Vollgebleichter Sulfit-Zellstoff, Verfahren zu seiner Herstellung und daraus hergestellte Produkte

Also Published As

Publication number Publication date
NO784058L (no) 1979-09-11
CS216187B2 (en) 1982-10-29
ATA916078A (de) 1981-11-15
FI783785A (fi) 1979-09-11
SE7802789L (sv) 1979-09-11
CA1115463A (en) 1982-01-05
US4227966A (en) 1980-10-14

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Legal Events

Date Code Title Description
8139 Disposal/non-payment of the annual fee