DK0431337T3 - Process for de-icing the waste liquor obtained by cellulose pulping - Google Patents

Process for de-icing the waste liquor obtained by cellulose pulping

Info

Publication number
DK0431337T3
DK0431337T3 DK90121370T DK90121370T DK0431337T3 DK 0431337 T3 DK0431337 T3 DK 0431337T3 DK 90121370 T DK90121370 T DK 90121370T DK 90121370 T DK90121370 T DK 90121370T DK 0431337 T3 DK0431337 T3 DK 0431337T3
Authority
DK
Denmark
Prior art keywords
icing
waste liquor
liquor obtained
cellulose pulping
pulping
Prior art date
Application number
DK90121370T
Other languages
Danish (da)
Inventor
Alfred Dipl-Ing Glasner
Original Assignee
Waagner Biro Ag
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 Waagner Biro Ag filed Critical Waagner Biro Ag
Application granted granted Critical
Publication of DK0431337T3 publication Critical patent/DK0431337T3/en

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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
DK90121370T 1989-12-01 1990-11-08 Process for de-icing the waste liquor obtained by cellulose pulping DK0431337T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT274189A AT393284B (en) 1989-12-01 1989-12-01 METHOD FOR DESILIATING THE EXHAUST

Publications (1)

Publication Number Publication Date
DK0431337T3 true DK0431337T3 (en) 1994-07-18

Family

ID=3539564

Family Applications (1)

Application Number Title Priority Date Filing Date
DK90121370T DK0431337T3 (en) 1989-12-01 1990-11-08 Process for de-icing the waste liquor obtained by cellulose pulping

Country Status (4)

Country Link
EP (1) EP0431337B1 (en)
AT (1) AT393284B (en)
DE (1) DE59005263D1 (en)
DK (1) DK0431337T3 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401070B (en) * 1993-12-23 1996-06-25 Austrian Energy & Environment METHOD FOR OBTAINING COARSE GRAINED PURE SILICA

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119645B (en) * 1957-01-31 1961-12-14 Escher Wyss Gmbh Process for removing silicic acid from alkaline waste liquors in the pulp industry
DE3003090A1 (en) * 1980-01-29 1981-08-13 Debendra Kumar Ph.D. Athinä Misra Two=step alkali pulp waste liquor de:silicification - comprises carbon di:oxide addn. to ppte. silicic acid and subsequent lime addn.
DE3107447C2 (en) * 1981-02-27 1985-08-29 Kraftanlagen Ag, 6900 Heidelberg Process for removing silica from black liquor
DE3208200A1 (en) * 1982-03-06 1983-09-08 Metallgesellschaft Ag, 6000 Frankfurt METHOD FOR THE CONTINUOUS REMOVAL OF SILICA FROM CELL FLUE

Also Published As

Publication number Publication date
AT393284B (en) 1991-09-25
EP0431337A1 (en) 1991-06-12
EP0431337B1 (en) 1994-04-06
DE59005263D1 (en) 1994-05-11
ATA274189A (en) 1991-02-15

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