FR2172646A5 - - Google Patents

Info

Publication number
FR2172646A5
FR2172646A5 FR7246398A FR7246398A FR2172646A5 FR 2172646 A5 FR2172646 A5 FR 2172646A5 FR 7246398 A FR7246398 A FR 7246398A FR 7246398 A FR7246398 A FR 7246398A FR 2172646 A5 FR2172646 A5 FR 2172646A5
Authority
FR
France
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
Application number
FR7246398A
Other languages
French (fr)
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.)
Texaco Development Corp
Original Assignee
Texaco Development Corp
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 Texaco Development Corp filed Critical Texaco Development Corp
Application granted granted Critical
Publication of FR2172646A5 publication Critical patent/FR2172646A5/fr
Expired 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
    • D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/025—Thermal hydrolysis

Landscapes

  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
FR7246398A 1972-02-17 1972-12-27 Expired FR2172646A5 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US22711572A 1972-02-17 1972-02-17
GB5557872A GB1407429A (en) 1972-02-17 1972-12-01 Process for treating spent sulphite pulping liquors

Publications (1)

Publication Number Publication Date
FR2172646A5 true FR2172646A5 (ja) 1973-09-28

Family

ID=32964156

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7246398A Expired FR2172646A5 (ja) 1972-02-17 1972-12-27

Country Status (2)

Country Link
FR (1) FR2172646A5 (ja)
GB (1) GB1407429A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4208245A (en) * 1977-02-03 1980-06-17 St. Regis Paper Company Pyrolysis of spent pulping liquors

Also Published As

Publication number Publication date
GB1407429A (en) 1975-09-24

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Legal Events

Date Code Title Description
ST Notification of lapse