AT348947B - Verfahren zur neutralisation von saeurehaeltigen spuelwaessern oder verbrauchten beizsaeuren von metallbeizereien - Google Patents

Verfahren zur neutralisation von saeurehaeltigen spuelwaessern oder verbrauchten beizsaeuren von metallbeizereien

Info

Publication number
AT348947B
AT348947B AT139277A AT139277A AT348947B AT 348947 B AT348947 B AT 348947B AT 139277 A AT139277 A AT 139277A AT 139277 A AT139277 A AT 139277A AT 348947 B AT348947 B AT 348947B
Authority
AT
Austria
Prior art keywords
pickling
procedure
acids
neutralizing acid
metal
Prior art date
Application number
AT139277A
Other languages
English (en)
Other versions
ATA139277A (de
Inventor
Walter Ing Hans
Heinz Kohlbacher
Original Assignee
Voest Ag
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 filed Critical Voest Ag
Priority to AT139277A priority Critical patent/AT348947B/de
Priority to SE7801977A priority patent/SE7801977L/xx
Priority to DE19782808012 priority patent/DE2808012A1/de
Priority to CS781270A priority patent/CS199718B2/cs
Priority to NL7802177A priority patent/NL7802177A/xx
Priority to DD78203887A priority patent/DD134077A5/de
Priority to BE185591A priority patent/BE864457A/xx
Priority to IT20798/78A priority patent/IT1095471B/it
Priority to FR7805846A priority patent/FR2382406A1/fr
Priority to PL20499778A priority patent/PL204997A1/xx
Publication of ATA139277A publication Critical patent/ATA139277A/de
Application granted granted Critical
Publication of AT348947B publication Critical patent/AT348947B/de

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)
AT139277A 1977-03-02 1977-03-02 Verfahren zur neutralisation von saeurehaeltigen spuelwaessern oder verbrauchten beizsaeuren von metallbeizereien AT348947B (de)

Priority Applications (10)

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
SE7801977A SE7801977L (sv) 1977-03-02 1978-02-21 Forfarande for neutralisering av syrahaltiga vetskor
DE19782808012 DE2808012A1 (de) 1977-03-02 1978-02-24 Verfahren zur neutralisation von saeurehaltigen fluessigkeiten
NL7802177A NL7802177A (nl) 1977-03-02 1978-02-28 Werkwijze voor het neutraliseren van zuurbevat- tende vloeistoffen.
CS781270A CS199718B2 (en) 1977-03-02 1978-02-28 Process for the neutralization of rinsing water and mordants from pickling shops
DD78203887A DD134077A5 (de) 1977-03-02 1978-02-28 Verfahren zur neutralisation von saeurehaltigen fluessigkeiten
BE185591A BE864457A (fr) 1977-03-02 1978-03-01 Procede de neutralisation de liquides contenant des acides
IT20798/78A IT1095471B (it) 1977-03-02 1978-03-01 Processo per la neutralizzazione di liquidi contenenti acidi
FR7805846A FR2382406A1 (fr) 1977-03-02 1978-03-01 Procede de neutralisation de liquides contenant des acides
PL20499778A PL204997A1 (pl) 1977-03-02 1978-03-01 Sposob neutralizacji cieczy zawierajacych kwasy

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
ATA139277A ATA139277A (de) 1978-07-15
AT348947B true AT348947B (de) 1979-03-12

Family

ID=3512874

Family Applications (1)

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

Country Status (10)

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

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
ATE19505T1 (de) * 1982-01-19 1986-05-15 Deconta Ag Verfahren zur dekontamination natuerlicher und technischer schlaemme.
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
DE102007057414B9 (de) * 2007-11-27 2024-09-19 Rheinkalk Gmbh Verfahren zum Erhöhen des pH-Werts von sauren Gewässern
EP2975004B1 (de) * 2014-07-17 2017-08-30 Omya International AG Behandlung von saurem Abwasser

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
FR2382406A1 (fr) 1978-09-29
DE2808012A1 (de) 1978-09-07
SE7801977L (sv) 1978-09-03
DD134077A5 (de) 1979-02-07
IT1095471B (it) 1985-08-10
NL7802177A (nl) 1978-09-05
BE864457A (fr) 1978-07-03
PL204997A1 (pl) 1978-12-18
IT7820798A0 (it) 1978-03-01
ATA139277A (de) 1978-07-15
CS199718B2 (en) 1980-07-31

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties