FR2205485B1 - - Google Patents

Info

Publication number
FR2205485B1
FR2205485B1 FR7239524A FR7239524A FR2205485B1 FR 2205485 B1 FR2205485 B1 FR 2205485B1 FR 7239524 A FR7239524 A FR 7239524A FR 7239524 A FR7239524 A FR 7239524A FR 2205485 B1 FR2205485 B1 FR 2205485B1
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
FR7239524A
Other languages
French (fr)
Other versions
FR2205485A1 (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.)
ERAP
Original Assignee
ERAP
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 ERAP filed Critical ERAP
Priority to FR7239524A priority Critical patent/FR2205485A1/en
Priority to BE137320A priority patent/BE806813A/en
Priority to RO7376482A priority patent/RO67822A2/en
Priority to DE19732355530 priority patent/DE2355530A1/en
Priority to CA185,244A priority patent/CA1012265A/en
Priority to IT5356573A priority patent/IT1000142B/en
Priority to NL7315356A priority patent/NL7315356A/xx
Publication of FR2205485A1 publication Critical patent/FR2205485A1/en
Application granted granted Critical
Publication of FR2205485B1 publication Critical patent/FR2205485B1/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
    • 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
FR7239524A 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 Granted FR2205485A1 (en)

Priority Applications (7)

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
BE137320A BE806813A (en) 1972-11-08 1973-10-31 PROCESS FOR THE TREATMENT OF WASTE WATER CONTAINING COMPLEX LIGNOSULPHONATES
RO7376482A RO67822A2 (en) 1972-11-08 1973-10-31 PROCESS FOR PURIFYING RESIDUAL WATER WITH COMPLEX LINGOSUFONATE CONTENT
DE19732355530 DE2355530A1 (en) 1972-11-08 1973-11-07 PROCESS FOR CLEANING WASTE WATER WITH CONTENT OF COMPLEX LIGNOSULFONATES
CA185,244A CA1012265A (en) 1972-11-08 1973-11-07 Method of purification of waste waters containing complex lignosulphonates
IT5356573A IT1000142B (en) 1972-11-08 1973-11-08 PROCEDURE FOR THE PURIFICATION OF RESIDUAL WATER CONTAINING COMPLEX LIGNO SULPHONATES
NL7315356A NL7315356A (en) 1972-11-08 1973-11-09

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 (2)

Publication Number Publication Date
FR2205485A1 FR2205485A1 (en) 1974-05-31
FR2205485B1 true FR2205485B1 (en) 1975-11-07

Family

ID=9106825

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7239524A Granted 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

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
CA1012265A (en) 1977-06-14
BE806813A (en) 1974-02-15
IT1000142B (en) 1976-03-30
RO67822A2 (en) 1980-12-30
NL7315356A (en) 1975-05-13
FR2205485A1 (en) 1974-05-31
DE2355530A1 (en) 1974-05-30

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Legal Events

Date Code Title Description
ST Notification of lapse