CH334609A - Process for evaporation of sulphite waste liquor - Google Patents

Process for evaporation of sulphite waste liquor

Info

Publication number
CH334609A
CH334609A CH334609DA CH334609A CH 334609 A CH334609 A CH 334609A CH 334609D A CH334609D A CH 334609DA CH 334609 A CH334609 A CH 334609A
Authority
CH
Switzerland
Prior art keywords
evaporation
waste liquor
sulphite waste
sulphite
liquor
Prior art date
Application number
Other languages
German (de)
Inventor
Edwin Dipl Ing Hirzel
Original Assignee
Escher Wyss 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 Escher Wyss Ag filed Critical Escher Wyss Ag
Publication of CH334609A publication Critical patent/CH334609A/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
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors
CH334609D 1955-09-12 1955-09-12 Process for evaporation of sulphite waste liquor CH334609A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1012164X 1955-09-12

Publications (1)

Publication Number Publication Date
CH334609A true CH334609A (en) 1958-12-15

Family

ID=4552517

Family Applications (1)

Application Number Title Priority Date Filing Date
CH334609D CH334609A (en) 1955-09-12 1955-09-12 Process for evaporation of sulphite waste liquor

Country Status (2)

Country Link
CH (1) CH334609A (en)
DE (1) DE1012164B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1196488B (en) * 1958-10-14 1965-07-08 Rosenblads Patenter Ab Process to avoid crust formation on the heat surfaces in the event of indirect evaporation and subsequent burning of sulphite waste liquor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE486460C (en) * 1925-01-11 1929-11-16 Siemens Schuckertwerke Akt Ges Operation of evaporators for the evaporation of sulphite waste liquors

Also Published As

Publication number Publication date
DE1012164B (en) 1957-07-11

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