RO67822A2 - Procedeu pentru epurarea apelor reziduale ce contin lignosulfonati complecsi - Google Patents

Procedeu pentru epurarea apelor reziduale ce contin lignosulfonati complecsi

Info

Publication number
RO67822A2
RO67822A2 RO7376482A RO7648273A RO67822A2 RO 67822 A2 RO67822 A2 RO 67822A2 RO 7376482 A RO7376482 A RO 7376482A RO 7648273 A RO7648273 A RO 7648273A RO 67822 A2 RO67822 A2 RO 67822A2
Authority
RO
Romania
Prior art keywords
lignosulphones
procedure
waste water
water equipment
equipment containing
Prior art date
Application number
RO7376482A
Other languages
English (en)
French (fr)
Inventor
Claude Ferrand
Raymond Wey
Alain Vaussard
Original Assignee
Societe Nationale Elf Aquitaine (Production),Fr
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 Societe Nationale Elf Aquitaine (Production),Fr filed Critical Societe Nationale Elf Aquitaine (Production),Fr
Publication of RO67822A2 publication Critical patent/RO67822A2/ro

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)
RO7376482A 1972-11-08 1973-10-31 Procedeu pentru epurarea apelor reziduale ce contin lignosulfonati complecsi RO67822A2 (ro)

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
RO67822A2 true RO67822A2 (ro) 1980-12-30

Family

ID=9106825

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7376482A RO67822A2 (ro) 1972-11-08 1973-10-31 Procedeu pentru epurarea apelor reziduale ce contin lignosulfonati complecsi

Country Status (7)

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

Families Citing this family (5)

* 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
US5120449A (en) * 1987-03-27 1992-06-09 Societe Nationale Elf Aquitaine (Production) Treatment of aqueous drilling mud effluents containing 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.
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
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

Also Published As

Publication number Publication date
NL7315356A (ro) 1975-05-13
FR2205485B1 (ro) 1975-11-07
FR2205485A1 (en) 1974-05-31
IT1000142B (it) 1976-03-30
IT7353565A1 (it) 1975-05-08
CA1012265A (en) 1977-06-14
DE2355530A1 (de) 1974-05-30
BE806813A (fr) 1974-02-15

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