RO67822A2 - PROCESS FOR PURIFYING RESIDUAL WATER WITH COMPLEX LINGOSUFONATE CONTENT - Google Patents

PROCESS FOR PURIFYING RESIDUAL WATER WITH COMPLEX LINGOSUFONATE CONTENT

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
lingosufonate
complex
content
residual water
purifying residual
Prior art date
Application number
RO7376482A
Other languages
French (fr)
Romanian (ro)
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/en

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
RO7376482A 1972-11-08 1973-10-31 PROCESS FOR PURIFYING RESIDUAL WATER WITH COMPLEX LINGOSUFONATE CONTENT RO67822A2 (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
RO67822A2 true RO67822A2 (en) 1980-12-30

Family

ID=9106825

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7376482A RO67822A2 (en) 1972-11-08 1973-10-31 PROCESS FOR PURIFYING RESIDUAL WATER WITH COMPLEX LINGOSUFONATE CONTENT

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2612916B1 (en) * 1987-03-27 1991-02-15 Elf Aquitaine TREATMENT OF BOURBIER WATER RELEASE CONTAINING LIGNOSULFONATES
US5120449A (en) * 1987-03-27 1992-06-09 Societe Nationale Elf Aquitaine (Production) Treatment of aqueous drilling mud effluents containing lignosulfonates
ES2159229B1 (en) * 1999-03-05 2002-04-16 Transformacion Agraria S A Tra METHOD FOR THE TREATMENT OF WATERS CONTAINING ORGANIC AND / OR INORGANIC MATTER SUSPENDED AND / OR DISSOLVED BY IN SITU PRECIPITATION OF TITANIUM OXYGEN COMPOUNDS.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR14007E (en) * 1911-09-05 Auguste Nicolle Process of agglomeration of pulverulent materials, ores, coals, etc.
FR642270A (en) * 1927-01-21 1928-08-25 Barbou Et Cie Soc Process for the recovery, by chemical means, of the active elements of the residual liquors after cooking of the cellulosic materials
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
FR2205485B1 (en) 1975-11-07
CA1012265A (en) 1977-06-14
BE806813A (en) 1974-02-15
IT1000142B (en) 1976-03-30
NL7315356A (en) 1975-05-13
FR2205485A1 (en) 1974-05-31
DE2355530A1 (en) 1974-05-30

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