NL153829B - METHOD OF REMOVING CHROMATES OR BICHROMATES FROM WATER. - Google Patents

METHOD OF REMOVING CHROMATES OR BICHROMATES FROM WATER.

Info

Publication number
NL153829B
NL153829B NL727205539A NL7205539A NL153829B NL 153829 B NL153829 B NL 153829B NL 727205539 A NL727205539 A NL 727205539A NL 7205539 A NL7205539 A NL 7205539A NL 153829 B NL153829 B NL 153829B
Authority
NL
Netherlands
Prior art keywords
bichromates
water
chromates
removing chromates
Prior art date
Application number
NL727205539A
Other languages
Dutch (nl)
Other versions
NL7205539A (en
Original Assignee
Snam Progetti
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 Snam Progetti filed Critical Snam Progetti
Publication of NL7205539A publication Critical patent/NL7205539A/xx
Publication of NL153829B publication Critical patent/NL153829B/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
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C02F1/705—Reduction by metals
    • 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
    • C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104—Devices therefor; Their operating or servicing
    • C02F1/46176—Galvanic cells
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/22—Chromium or chromium compounds, e.g. chromates
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C02F2103/023—Water in cooling circuits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Removal Of Specific Substances (AREA)
  • Water Treatment By Sorption (AREA)
NL727205539A 1971-04-23 1972-04-24 METHOD OF REMOVING CHROMATES OR BICHROMATES FROM WATER. NL153829B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2354971 1971-04-23
IT2420571 1971-05-07

Publications (2)

Publication Number Publication Date
NL7205539A NL7205539A (en) 1972-10-25
NL153829B true NL153829B (en) 1977-07-15

Family

ID=26328395

Family Applications (1)

Application Number Title Priority Date Filing Date
NL727205539A NL153829B (en) 1971-04-23 1972-04-24 METHOD OF REMOVING CHROMATES OR BICHROMATES FROM WATER.

Country Status (24)

Country Link
JP (1) JPS5235945B1 (en)
AT (1) AT324969B (en)
BE (1) BE782358A (en)
CA (1) CA1028278A (en)
CH (1) CH539001A (en)
CS (1) CS178869B2 (en)
DD (1) DD96694A5 (en)
DE (1) DE2219095A1 (en)
DK (1) DK142049C (en)
ES (1) ES402789A1 (en)
FI (1) FI62810C (en)
FR (1) FR2133922B1 (en)
GB (1) GB1376998A (en)
HU (1) HU164830B (en)
IE (1) IE36316B1 (en)
IL (1) IL39131A (en)
LU (1) LU65207A1 (en)
NL (1) NL153829B (en)
NO (1) NO139679C (en)
PL (1) PL83655B1 (en)
RO (1) RO63778A (en)
SE (1) SE386153B (en)
TR (1) TR17282A (en)
YU (1) YU36674B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2430848C2 (en) * 1974-06-27 1986-02-27 Levrini, Valter, Castellarano Process for the chemical purification of waste water
CH649976A5 (en) * 1981-03-05 1985-06-28 Hans Lueber DEVICE FOR LIMESTONE PREVENTION IN WATER TANKS.
US4525254A (en) * 1982-10-07 1985-06-25 Gosudarstvenny Nauchno-Issledovatelsky I Proektny Institut Po Obogascheniju Rud Tsvetnykh Metallov "Kazmekhanobr" Process and apparatus for purifying effluents and liquors
DE10005681B4 (en) * 2000-02-07 2005-06-16 Atc Dr. Mann E.K. Method and device for the decontamination of metal-containing waters
CN115418483B (en) * 2022-08-30 2023-06-30 中南大学 Method for preparing ferrochrome from chromium-containing waste liquid

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1459451A1 (en) * 1962-05-29 1968-12-19 Asendorf Dr Erich Process for removing copper from sulfuric acid and nitric acid waste water with simultaneous destruction of water-insoluble copper compounds
AT240059B (en) * 1963-08-02 1965-05-10 Donau Chemie Ag Process for the electrolytic deposition of sulfo-salt-forming metals
US3392102A (en) * 1967-03-16 1968-07-09 Koch Rudolf Galvanic action water purifier

Also Published As

Publication number Publication date
IE36316B1 (en) 1976-10-13
TR17282A (en) 1975-03-24
RO63778A (en) 1978-10-15
SE386153B (en) 1976-08-02
IL39131A (en) 1975-08-31
BE782358A (en) 1972-08-16
NL7205539A (en) 1972-10-25
GB1376998A (en) 1974-12-11
NO139679B (en) 1979-01-15
CS178869B2 (en) 1977-10-31
CA1028278A (en) 1978-03-21
YU36674B (en) 1984-08-31
DK142049B (en) 1980-08-18
JPS5235945B1 (en) 1977-09-12
AT324969B (en) 1975-09-25
PL83655B1 (en) 1975-12-31
DD96694A5 (en) 1973-04-05
CH539001A (en) 1973-07-15
YU105172A (en) 1982-02-25
HU164830B (en) 1974-04-11
DE2219095A1 (en) 1972-11-16
FR2133922A1 (en) 1972-12-01
NO139679C (en) 1979-04-25
IE36316L (en) 1972-10-23
FI62810C (en) 1983-03-10
FR2133922B1 (en) 1974-10-18
LU65207A1 (en) 1972-07-13
FI62810B (en) 1982-11-30
ES402789A1 (en) 1975-10-16
DK142049C (en) 1981-01-12
IL39131A0 (en) 1972-06-28

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Information provided on patent owner name for an already discontinued patent

Owner name: PROGETTI