FR2344668B3 - - Google Patents

Info

Publication number
FR2344668B3
FR2344668B3 FR7637874A FR7637874A FR2344668B3 FR 2344668 B3 FR2344668 B3 FR 2344668B3 FR 7637874 A FR7637874 A FR 7637874A FR 7637874 A FR7637874 A FR 7637874A FR 2344668 B3 FR2344668 B3 FR 2344668B3
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
FR7637874A
Other languages
French (fr)
Other versions
FR2344668A1 (en
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.)
Uddeholms AB
Original Assignee
Uddeholms AB
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 Uddeholms AB filed Critical Uddeholms AB
Publication of FR2344668A1 publication Critical patent/FR2344668A1/en
Application granted granted Critical
Publication of FR2344668B3 publication Critical patent/FR2344668B3/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR7637874A 1976-03-18 1976-12-16 PROCESS FOR PURIFYING THE EFFLUENTS FROM BLEACHING BY CHLORINE FROM PAPER PULP Granted FR2344668A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1099176 1976-03-18

Publications (2)

Publication Number Publication Date
FR2344668A1 FR2344668A1 (en) 1977-10-14
FR2344668B3 true FR2344668B3 (en) 1979-08-24

Family

ID=9978041

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637874A Granted FR2344668A1 (en) 1976-03-18 1976-12-16 PROCESS FOR PURIFYING THE EFFLUENTS FROM BLEACHING BY CHLORINE FROM PAPER PULP

Country Status (2)

Country Link
JP (1) JPS52114703A (en)
FR (1) FR2344668A1 (en)

Also Published As

Publication number Publication date
FR2344668A1 (en) 1977-10-14
JPS52114703A (en) 1977-09-26

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Legal Events

Date Code Title Description
ST Notification of lapse