IT1095471B - Processo per la neutralizzazione di liquidi contenenti acidi - Google Patents

Processo per la neutralizzazione di liquidi contenenti acidi

Info

Publication number
IT1095471B
IT1095471B IT20798/78A IT2079878A IT1095471B IT 1095471 B IT1095471 B IT 1095471B IT 20798/78 A IT20798/78 A IT 20798/78A IT 2079878 A IT2079878 A IT 2079878A IT 1095471 B IT1095471 B IT 1095471B
Authority
IT
Italy
Prior art keywords
neutralization
liquids containing
containing acids
acids
liquids
Prior art date
Application number
IT20798/78A
Other languages
English (en)
Other versions
IT7820798A0 (it
Original Assignee
Voest Ag
Oesterr Alpine Montan
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 Voest Ag, Oesterr Alpine Montan filed Critical Voest Ag
Publication of IT7820798A0 publication Critical patent/IT7820798A0/it
Application granted granted Critical
Publication of IT1095471B publication Critical patent/IT1095471B/it

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
    • C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
    • 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
    • C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
    • C02F1/62—Heavy metal compounds
    • C02F1/64—Heavy metal compounds of iron or manganese
    • C02F1/645—Devices for iron precipitation and treatment by air
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C02F2101/203—Iron or iron compound
    • 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
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/06—Controlling or monitoring parameters in water treatment pH

Landscapes

  • Chemical & Material Sciences (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)
  • Inorganic Chemistry (AREA)
  • Removal Of Specific Substances (AREA)
  • Detergent Compositions (AREA)
IT20798/78A 1977-03-02 1978-03-01 Processo per la neutralizzazione di liquidi contenenti acidi IT1095471B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT139277A AT348947B (de) 1977-03-02 1977-03-02 Verfahren zur neutralisation von saeurehaeltigen spuelwaessern oder verbrauchten beizsaeuren von metallbeizereien

Publications (2)

Publication Number Publication Date
IT7820798A0 IT7820798A0 (it) 1978-03-01
IT1095471B true IT1095471B (it) 1985-08-10

Family

ID=3512874

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20798/78A IT1095471B (it) 1977-03-02 1978-03-01 Processo per la neutralizzazione di liquidi contenenti acidi

Country Status (10)

Country Link
AT (1) AT348947B (it)
BE (1) BE864457A (it)
CS (1) CS199718B2 (it)
DD (1) DD134077A5 (it)
DE (1) DE2808012A1 (it)
FR (1) FR2382406A1 (it)
IT (1) IT1095471B (it)
NL (1) NL7802177A (it)
PL (1) PL204997A1 (it)
SE (1) SE7801977L (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT372987B (de) * 1981-12-02 1983-12-12 Voest Alpine Ag Verfahren zum rueckgewinnen von metallen aus ihren sauren salzloesungen
DE3270826D1 (en) * 1982-01-19 1986-06-05 Deconta Ag Process for the decontamination of natural and technical sludges
DE3230603A1 (de) * 1982-08-18 1984-02-23 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur behandlung abgearbeiteter beizpasten
DE3314248A1 (de) * 1983-04-20 1984-10-25 Krupp-Koppers Gmbh, 4300 Essen Verfahren zur behandlung des bei der nassphosphorsaeureherstellung anfallenden abwassers
AT396227B (de) * 1989-08-17 1993-07-26 Perlmooser Zementwerke Ag Neutralisierungsmittel mit depotwirkung
DE102007057414B4 (de) * 2007-11-27 2024-02-22 Rheinkalk Gmbh Verfahren zum Erhöhen des pH-Werts von sauren Gewässern
DK2975004T3 (da) * 2014-07-17 2017-11-20 Omya Int Ag Syrespildevandsbehandling

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1048041A (en) * 1961-10-23 1966-11-09 Unifloc Ltd Improvements in or relating to the disposal of waste pickle liquors
FR1409390A (fr) * 1964-07-16 1965-08-27 Omya Sa Procédé perfectionné de traitement d'eaux résiduaires acides
GB1218601A (en) * 1968-01-01 1971-01-06 Unifloc Ltd Disposal of waste liquors from pickling processes
US3617562A (en) * 1970-05-08 1971-11-02 Allen Cywin Neutralization of ferrous iron-containing acid wastes
FR2120550A5 (en) * 1971-01-08 1972-08-18 Trefilunion Neutralisn of acid waste water - using lime

Also Published As

Publication number Publication date
SE7801977L (sv) 1978-09-03
BE864457A (fr) 1978-07-03
DD134077A5 (de) 1979-02-07
FR2382406A1 (fr) 1978-09-29
DE2808012A1 (de) 1978-09-07
IT7820798A0 (it) 1978-03-01
PL204997A1 (pl) 1978-12-18
NL7802177A (nl) 1978-09-05
AT348947B (de) 1979-03-12
CS199718B2 (en) 1980-07-31
ATA139277A (de) 1978-07-15

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