DE59005263D1 - Verfahren zur Entkieselung der Ablauge. - Google Patents

Verfahren zur Entkieselung der Ablauge.

Info

Publication number
DE59005263D1
DE59005263D1 DE90121370T DE59005263T DE59005263D1 DE 59005263 D1 DE59005263 D1 DE 59005263D1 DE 90121370 T DE90121370 T DE 90121370T DE 59005263 T DE59005263 T DE 59005263T DE 59005263 D1 DE59005263 D1 DE 59005263D1
Authority
DE
Germany
Prior art keywords
decalcifying
waste liquor
liquor
waste
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 - Fee Related
Application number
DE90121370T
Other languages
English (en)
Inventor
Alfred Dipl Ing Glasner
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.)
Waagner Biro AG
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 DE59005263D1 publication Critical patent/DE59005263D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C11/04—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
DE90121370T 1989-12-01 1990-11-08 Verfahren zur Entkieselung der Ablauge. Expired - Fee Related DE59005263D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT274189A AT393284B (de) 1989-12-01 1989-12-01 Verfahren zur entkieselung der ablauge

Publications (1)

Publication Number Publication Date
DE59005263D1 true DE59005263D1 (de) 1994-05-11

Family

ID=3539564

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90121370T Expired - Fee Related DE59005263D1 (de) 1989-12-01 1990-11-08 Verfahren zur Entkieselung der Ablauge.

Country Status (4)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT401070B (de) * 1993-12-23 1996-06-25 Austrian Energy & Environment Verfahren zur gewinnung grobkörniger reiner kieselsäure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1119645B (de) * 1957-01-31 1961-12-14 Escher Wyss Gmbh Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie
DE3003090A1 (de) * 1980-01-29 1981-08-13 Debendra Kumar Ph.D. Athinä Misra Verfahren zur entkieselung alkalischer ablaugen
DE3107447C2 (de) * 1981-02-27 1985-08-29 Kraftanlagen Ag, 6900 Heidelberg Verfahren zum Entfernen von Kieselsäure aus Schwarzlauge
DE3208200A1 (de) * 1982-03-06 1983-09-08 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur kontinuierlichen entfernung von kieselsaeure aus zellstoffablaugen

Also Published As

Publication number Publication date
AT393284B (de) 1991-09-25
EP0431337A1 (de) 1991-06-12
DK0431337T3 (da) 1994-07-18
EP0431337B1 (de) 1994-04-06
ATA274189A (de) 1991-02-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee