DE202132C - - Google Patents

Info

Publication number
DE202132C
DE202132C DENDAT202132D DE202132DA DE202132C DE 202132 C DE202132 C DE 202132C DE NDAT202132 D DENDAT202132 D DE NDAT202132D DE 202132D A DE202132D A DE 202132DA DE 202132 C DE202132 C DE 202132C
Authority
DE
Germany
Prior art keywords
acids
aidehydes
sayings
sparingly
dehydrated
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
DENDAT202132D
Other languages
German (de)
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.)
Publication of DE202132C publication Critical patent/DE202132C/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
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for

Landscapes

  • Paper (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Processing Of Solid Wastes (AREA)

Description

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

Claims (2)

Patent-An Sprüche:Patent-to sayings: 1. Verfahren, um die in den Ablaugen der Sulfitcellulosefabrikation enthaltenen organischen Bestandteile schwer- oder unlöslich zu machen, dadurch gekennzeichnet, daß das durch Behandlung der Ablauge mit Säuren oder mit Säuren und Aidehyden nach Patent 197195 erhaltene Produkt entwässert und einer Erhitzung ausgesetzt wird.1. Process to remove those contained in the waste liquors of the sulphite cellulose production to make organic constituents sparingly or insoluble, characterized in that that this is done by treating the waste liquor with acids or with acids and aidehydes product obtained according to patent 197195 dehydrated and exposed to heating. 2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Behandlung unter vermindertem Druck erfolgt.2. The method according to claim 1, characterized in that the treatment under takes place under reduced pressure.
DENDAT202132D 1906-02-19 Active DE202132C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE197195T 1906-02-19

Publications (1)

Publication Number Publication Date
DE202132C true DE202132C (en)

Family

ID=5756237

Family Applications (2)

Application Number Title Priority Date Filing Date
DENDAT202132D Active DE202132C (en) 1906-02-19
DE1906197195D Expired - Lifetime DE197195C (en) 1906-02-19 1906-02-19

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1906197195D Expired - Lifetime DE197195C (en) 1906-02-19 1906-02-19

Country Status (2)

Country Link
AT (1) AT36847B (en)
DE (2) DE197195C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894940A (en) * 1956-03-30 1959-07-14 Russell L Sperry Production of synthetic resinous materials by acid charring of lignins

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2894940A (en) * 1956-03-30 1959-07-14 Russell L Sperry Production of synthetic resinous materials by acid charring of lignins

Also Published As

Publication number Publication date
AT36847B (en) 1909-04-10
DE197195C (en)

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