DE309563C - - Google Patents

Info

Publication number
DE309563C
DE309563C DENDAT309563D DE309563DA DE309563C DE 309563 C DE309563 C DE 309563C DE NDAT309563 D DENDAT309563 D DE NDAT309563D DE 309563D A DE309563D A DE 309563DA DE 309563 C DE309563 C DE 309563C
Authority
DE
Germany
Prior art keywords
waste liquors
fire gases
fitzellulose
trickling
sui
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.)
Active
Application number
DENDAT309563D
Other languages
German (de)
Publication of DE309563C publication Critical patent/DE309563C/de
Active 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
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/103—Evaporation by direct contact with gases, e.g. hot flue gases

Landscapes

  • Treating Waste Gases (AREA)

Description

(2. Auflage, ausgegeben am 14. Mai 1921.)(2nd edition, issued May 14, 1921.)

BERLIN. GEDRUCKT IN DER REICHSDRUCKEREI.BERLIN. PRINTED IN THE REICHSDRUCKEREI.

Claims (1)

Patent-Anspruch:'Patent claim: ' 3535 Verfahren zur Reinigung von Sulfitzelluloseablaugen durch Behandlung mit Feuergasen nach Patent 306898, dadurch gekennzeichnet, daß bereits chemisch vorbehandelte oder teilweise verarbeitete SuI-fitzelluloseablaugen im Gegenstrom mit Feuergasen unter Luftabschluß gerieselt werden unter mehrmaliger Wiederholung der Rieselarbeit.Process for the purification of sulphite cellulose waste liquors by treatment with Fire gases according to patent 306898, characterized in that already chemically pretreated or partially processed SuI-fitzellulose waste liquors in countercurrent with Fire gases are trickled out in the absence of air, repeating the trickling work several times.
DENDAT309563D Active DE309563C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE309563T

Publications (1)

Publication Number Publication Date
DE309563C true DE309563C (en)

Family

ID=32932652

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT309563D Active DE309563C (en)
DENDAT306898D Active DE306898C (en)

Family Applications After (1)

Application Number Title Priority Date Filing Date
DENDAT306898D Active DE306898C (en)

Country Status (1)

Country Link
DE (2) DE306898C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2586016A (en) * 1950-02-01 1952-02-19 Fanning Jack Duplex steam condenser

Also Published As

Publication number Publication date
DE306898C (en)

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