CA1012265A - Method of purification of waste waters containing complex lignosulphonates - Google Patents

Method of purification of waste waters containing complex lignosulphonates

Info

Publication number
CA1012265A
CA1012265A CA185,244A CA185244A CA1012265A CA 1012265 A CA1012265 A CA 1012265A CA 185244 A CA185244 A CA 185244A CA 1012265 A CA1012265 A CA 1012265A
Authority
CA
Canada
Prior art keywords
lignosulphonates
purification
containing complex
waste waters
waters containing
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
CA185,244A
Other languages
English (en)
Other versions
CA185244S (en
Inventor
Claude Ferrand
Raymond Wey
Alain Vaussard
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.)
Entreprise de Recherches et dActivites Petrolieres SA
Original Assignee
Entreprise de Recherches et dActivites Petrolieres SA
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 Entreprise de Recherches et dActivites Petrolieres SA filed Critical Entreprise de Recherches et dActivites Petrolieres SA
Application granted granted Critical
Publication of CA1012265A publication Critical patent/CA1012265A/en
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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA185,244A 1972-11-08 1973-11-07 Method of purification of waste waters containing complex lignosulphonates Expired CA1012265A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7239524A FR2205485A1 (en) 1972-11-08 1972-11-08 Purifying waste water contg complex lignosulphonates - by co-pptg with silicate, hydroxide or oxide of di- or trivalent metal

Publications (1)

Publication Number Publication Date
CA1012265A true CA1012265A (en) 1977-06-14

Family

ID=9106825

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,244A Expired CA1012265A (en) 1972-11-08 1973-11-07 Method of purification of waste waters containing complex lignosulphonates

Country Status (7)

Country Link
BE (1) BE806813A (it)
CA (1) CA1012265A (it)
DE (1) DE2355530A1 (it)
FR (1) FR2205485A1 (it)
IT (1) IT1000142B (it)
NL (1) NL7315356A (it)
RO (1) RO67822A2 (it)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120449A (en) * 1987-03-27 1992-06-09 Societe Nationale Elf Aquitaine (Production) Treatment of aqueous drilling mud effluents containing lignosulfonates
RU2355646C2 (ru) * 2007-05-24 2009-05-20 Государственное учреждение "Институт экологических проблем севера Уральского отделения Российской академии наук" Способ очистки лигнинсодержащих сточных вод целлюлозно-бумажной промышленности растворами хитозана

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612916B1 (fr) * 1987-03-27 1991-02-15 Elf Aquitaine Traitement des rejets d'eaux de bourbiers contenant des lignosulfonates
ES2159229B1 (es) * 1999-03-05 2002-04-16 Transformacion Agraria S A Tra Metodo para el tratamiento de aguas que contienen materia organica y/o inorganica suspendida y/o disuelta por precipitacion in situ de compuestos oxigenados de titanio.
RU2358915C1 (ru) * 2008-06-26 2009-06-20 Открытое акционерное общество "Газпром промгаз" (ОАО "Газпром промгаз") Способ очистки подземных вод в отработанном пространстве подземного газогенератора

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR14007E (fr) * 1911-09-05 Auguste Nicolle Procédé d'agglomération des matières pulvérulentes, minerais, charbons, etc.
FR642270A (fr) * 1927-01-21 1928-08-25 Barbou Et Cie Soc Procédé pour la récupération, par voie chimique, des éléments actifs des lessives résiduaires après cuisson des matières cellulosiques
GB1214532A (en) * 1967-02-16 1970-12-02 Simonacco Ltd Improvements in or relating to the treatment of aqueous materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5120449A (en) * 1987-03-27 1992-06-09 Societe Nationale Elf Aquitaine (Production) Treatment of aqueous drilling mud effluents containing lignosulfonates
RU2355646C2 (ru) * 2007-05-24 2009-05-20 Государственное учреждение "Институт экологических проблем севера Уральского отделения Российской академии наук" Способ очистки лигнинсодержащих сточных вод целлюлозно-бумажной промышленности растворами хитозана

Also Published As

Publication number Publication date
NL7315356A (it) 1975-05-13
FR2205485B1 (it) 1975-11-07
FR2205485A1 (en) 1974-05-31
IT1000142B (it) 1976-03-30
IT7353565A1 (it) 1975-05-08
DE2355530A1 (de) 1974-05-30
RO67822A2 (ro) 1980-12-30
BE806813A (fr) 1974-02-15

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