CA987460A - Procedes d'epuration d'effluents provenant de la fabrication et du blanchiment des pates a papier dites chimiques ou semi-chimiques - Google Patents

Procedes d'epuration d'effluents provenant de la fabrication et du blanchiment des pates a papier dites chimiques ou semi-chimiques

Info

Publication number
CA987460A
CA987460A CA155,588A CA155588A CA987460A CA 987460 A CA987460 A CA 987460A CA 155588 A CA155588 A CA 155588A CA 987460 A CA987460 A CA 987460A
Authority
CA
Canada
Prior art keywords
chemical
semi
purification process
pulp mill
bleach plant
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.)
Expired
Application number
CA155,588A
Other languages
English (en)
French (fr)
Other versions
CA155588S (en
Inventor
Jean C. Bourdelot
Paul Boulenger
Jean Bebin
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.)
Suez International SAS
Original Assignee
Degremont Societe Generale dEpuration de dAssainissement
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 Degremont Societe Generale dEpuration de dAssainissement filed Critical Degremont Societe Generale dEpuration de dAssainissement
Application granted granted Critical
Publication of CA987460A publication Critical patent/CA987460A/fr
Expired 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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Treatment Of Sludge (AREA)
CA155,588A 1971-11-03 1972-11-02 Procedes d'epuration d'effluents provenant de la fabrication et du blanchiment des pates a papier dites chimiques ou semi-chimiques Expired CA987460A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7139326A FR2159560A5 (enrdf_load_stackoverflow) 1971-11-03 1971-11-03

Publications (1)

Publication Number Publication Date
CA987460A true CA987460A (fr) 1976-04-20

Family

ID=9085214

Family Applications (1)

Application Number Title Priority Date Filing Date
CA155,588A Expired CA987460A (fr) 1971-11-03 1972-11-02 Procedes d'epuration d'effluents provenant de la fabrication et du blanchiment des pates a papier dites chimiques ou semi-chimiques

Country Status (5)

Country Link
JP (1) JPS5539679B2 (enrdf_load_stackoverflow)
CA (1) CA987460A (enrdf_load_stackoverflow)
ES (1) ES408119A1 (enrdf_load_stackoverflow)
FR (1) FR2159560A5 (enrdf_load_stackoverflow)
GB (1) GB1354455A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50159143A (enrdf_load_stackoverflow) * 1974-06-13 1975-12-23
JPS51116058A (en) * 1975-04-04 1976-10-13 Toyo Pulp Kk Method of treating sludge released from pulp plants
JPS55137286A (en) * 1979-04-05 1980-10-25 Kogyo Gijutsuin Magnesium base pulping method
JPS5844795B2 (ja) * 1979-04-05 1983-10-05 工業技術院長 ナトリウムベ−スパルプ化法
SE513460C2 (sv) 1998-04-08 2000-09-18 Kemira Kemi Ab Behandling av filtrat vid peroxidblekning av massa
SE516037C2 (sv) * 2000-03-24 2001-11-12 Kemira Kemi Ab Rening av blekningsfiltrat före återföring till blekningsförfarandet
FI128252B (en) * 2015-11-04 2020-01-31 Kemira Oyj Process for optimizing material recycling in chemical pulping

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5339389A (en) * 1976-09-22 1978-04-11 Sumitomo Chem Co Ltd Preparation of polymer emulsion

Also Published As

Publication number Publication date
JPS4875802A (enrdf_load_stackoverflow) 1973-10-12
FR2159560A5 (enrdf_load_stackoverflow) 1973-06-22
JPS5539679B2 (enrdf_load_stackoverflow) 1980-10-13
ES408119A1 (es) 1976-02-01
GB1354455A (en) 1974-06-05

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