IT1026034B - Procedimento per precipitare i complessi di ioni di metalli pesanti di policarbossilati - Google Patents

Procedimento per precipitare i complessi di ioni di metalli pesanti di policarbossilati

Info

Publication number
IT1026034B
IT1026034B IT54059/74A IT5405974A IT1026034B IT 1026034 B IT1026034 B IT 1026034B IT 54059/74 A IT54059/74 A IT 54059/74A IT 5405974 A IT5405974 A IT 5405974A IT 1026034 B IT1026034 B IT 1026034B
Authority
IT
Italy
Prior art keywords
polycarboxylates
precipitating
procedure
heavy metals
ion complexes
Prior art date
Application number
IT54059/74A
Other languages
English (en)
Original Assignee
Degussa
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 Degussa filed Critical Degussa
Application granted granted Critical
Publication of IT1026034B publication Critical patent/IT1026034B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • 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
    • 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
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • 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
    • C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/303—Complexing agents
IT54059/74A 1973-11-15 1974-11-14 Procedimento per precipitare i complessi di ioni di metalli pesanti di policarbossilati IT1026034B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2356963A DE2356963C3 (de) 1973-11-15 1973-11-15 Verfahren zum Ausfeilen der Schwermetallionen-Komplexe von PoIycarboxylaten

Publications (1)

Publication Number Publication Date
IT1026034B true IT1026034B (it) 1978-09-20

Family

ID=5898136

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54059/74A IT1026034B (it) 1973-11-15 1974-11-14 Procedimento per precipitare i complessi di ioni di metalli pesanti di policarbossilati

Country Status (9)

Country Link
US (1) US3956121A (it)
JP (1) JPS5214232B2 (it)
BE (1) BE822255A (it)
DE (1) DE2356963C3 (it)
FR (1) FR2251528B1 (it)
GB (1) GB1483210A (it)
IT (1) IT1026034B (it)
NL (1) NL168797C (it)
SE (1) SE407400B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE850066A (fr) * 1976-01-16 1977-07-04 Solvay Procede pour la regeneration des vieux papiers
US4009103A (en) * 1976-07-12 1977-02-22 Tee-Pak, Inc. Method for improving the filterability of aluminum salts precipitated from aqueous solutions
US4260491A (en) * 1978-11-15 1981-04-07 Amchem Products, Inc. Chrome removal waste treatment process
US5500133A (en) * 1995-02-17 1996-03-19 Betz Laboratories, Inc. Polymeric dithiocarbamate acid salt compositions and method of use
US5523002A (en) * 1995-02-17 1996-06-04 Betz Laboratories, Inc. Polymeric dithiocarbamic acid salt compositions and methods of use
US5766506A (en) * 1996-09-12 1998-06-16 The Dow Chemical Company Hard water compatible phosphate-containing heat transfer fluids
DE19958271C1 (de) * 1999-12-03 2001-08-30 Klaus Kretschmer Zusammensetzung und Verfahren zur Aufbereitung von verunreinigten Wässern und Gewässersedimenten
CN114031239B (zh) * 2022-01-10 2022-04-08 中南大学 一种等离子体熔融烟灰洗脱废水中多金属的分离方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3033214A (en) * 1955-01-20 1962-05-08 Dow Chemical Co Recovery and reuse of complexing agents from spent solutions
US3409415A (en) * 1967-05-31 1968-11-05 Atomic Energy Commission Usa Method of extracting soluble metal complexes using amine solvents
DE1904941A1 (de) * 1969-02-01 1970-08-06 Degussa Polyoxycarbonsaeuren
US3682701A (en) * 1970-02-12 1972-08-08 Lancy Lab Integrated waste water treatment for reusage after cyanide type plating

Also Published As

Publication number Publication date
FR2251528B1 (it) 1976-10-22
GB1483210A (en) 1977-08-17
NL168797B (nl) 1981-12-16
US3956121A (en) 1976-05-11
SE407400B (sv) 1979-03-26
NL7413015A (nl) 1975-05-20
JPS5214232B2 (it) 1977-04-20
FR2251528A1 (it) 1975-06-13
DE2356963B2 (de) 1978-08-10
SE7414347L (it) 1975-05-16
DE2356963A1 (de) 1975-06-12
BE822255A (fr) 1975-05-14
NL168797C (nl) 1982-05-17
DE2356963C3 (de) 1979-04-05
JPS5080266A (it) 1975-06-30

Similar Documents

Publication Publication Date Title
IT1019175B (it) Procedimento per la desolforazione di metalli ferrosi
CA957513A (en) Processes for precipitating metal compounds
IT1018355B (it) Procedimento per la separazione di uranio da ioni dei metalli del gruppo ii e del gruppo iii
IT971874B (it) Indicatore per il riconoscimento di ioni metallici
CA946816A (en) Process for the preparation of regenerable noble metal catalysts
CA1027372A (en) Process for purifying molybdenite concentrates
IT1048990B (it) Fissatore di ioni di metalli pesanti e di composti metallici pesanti
YU36197B (en) Process for the modification of metal surfaces
IT1016613B (it) Agente di rimozione di metalli pesanti
CA878999A (en) Process for purifying molybdenite concentrates
IT1026034B (it) Procedimento per precipitare i complessi di ioni di metalli pesanti di policarbossilati
IT975225B (it) Procedimento di colata di metalli
IT1036434B (it) Procedimento per la produzione di siliciuri di metalli reativi particolarmente di lantanio
CA1029680A (en) Process for the electrolytic refining of heavy metals
IT1008849B (it) Metodo di trattamento di sostanze fangose contenenti metalli pesanti
AU473440B2 (en) Improved method for forming metal ion complexes
IT1008212B (it) Procedimento per la precipitazio ne di metalli pesanti
IT1011314B (it) Procedimento per il recupero di metalli
IT979741B (it) Complessanti per ioni di metalli polivalenti f procedimento per la loro produzione
CA932540A (en) High-silicon as the reductant for the metallothermic production of magnesium
FR2285939A1 (fr) Procede pour le laminage d'ebauches de metal
IT1037272B (it) Procedimento per ricuperare frazioni di metalli pregiati presenti in soluzione sotto forma di ioni amminici complessi
CA931108A (en) Process for the electrodeposition of metals
BE821184A (fr) Procede de laminage de metaux non ferreux
IT1058025B (it) Procedimento per l allontanamento di metalli da soluzioni