NL7802177A - PROCEDURE FOR THE NEUTRALIZATION OF ACID-CONTAINING LIQUIDS. - Google Patents

PROCEDURE FOR THE NEUTRALIZATION OF ACID-CONTAINING LIQUIDS.

Info

Publication number
NL7802177A
NL7802177A NL7802177A NL7802177A NL7802177A NL 7802177 A NL7802177 A NL 7802177A NL 7802177 A NL7802177 A NL 7802177A NL 7802177 A NL7802177 A NL 7802177A NL 7802177 A NL7802177 A NL 7802177A
Authority
NL
Netherlands
Prior art keywords
neutralization
procedure
acid
containing liquids
liquids
Prior art date
Application number
NL7802177A
Other languages
Dutch (nl)
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
Publication of NL7802177A publication Critical patent/NL7802177A/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
    • C02F1/52—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
NL7802177A 1977-03-02 1978-02-28 PROCEDURE FOR THE NEUTRALIZATION OF ACID-CONTAINING LIQUIDS. NL7802177A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT139277A AT348947B (en) 1977-03-02 1977-03-02 PROCEDURE FOR NEUTRALIZING ACID RINSING WATERS OR USED PICKLING ACIDS FROM METAL PICKLING

Publications (1)

Publication Number Publication Date
NL7802177A true NL7802177A (en) 1978-09-05

Family

ID=3512874

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7802177A NL7802177A (en) 1977-03-02 1978-02-28 PROCEDURE FOR THE NEUTRALIZATION OF ACID-CONTAINING LIQUIDS.

Country Status (10)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT372987B (en) * 1981-12-02 1983-12-12 Voest Alpine Ag METHOD FOR RECOVERING METALS FROM THEIR ACID SALT SOLUTIONS
EP0072885B1 (en) * 1982-01-19 1986-04-30 industrie automation Sondertechnik GmbH & Co Process for the decontamination of natural and technical sludges
DE3230603A1 (en) * 1982-08-18 1984-02-23 Metallgesellschaft Ag, 6000 Frankfurt METHOD FOR TREATING PREPARED MAKING PASTE
DE3314248A1 (en) * 1983-04-20 1984-10-25 Krupp-Koppers Gmbh, 4300 Essen Process for treating the waste water produced in the production of wet phosphoric acid
AT396227B (en) * 1989-08-17 1993-07-26 Perlmooser Zementwerke Ag Neutralizing agent having depot effect
DE102007057414B4 (en) * 2007-11-27 2024-02-22 Rheinkalk Gmbh Method for increasing the pH of acidic waters
ES2650495T3 (en) * 2014-07-17 2018-01-18 Omya International Ag Acid Wastewater Treatment

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 (en) * 1964-07-16 1965-08-27 Omya Sa Advanced process for treating acidic wastewater
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
AT348947B (en) 1979-03-12
IT1095471B (en) 1985-08-10
DE2808012A1 (en) 1978-09-07
BE864457A (en) 1978-07-03
PL204997A1 (en) 1978-12-18
ATA139277A (en) 1978-07-15
CS199718B2 (en) 1980-07-31
DD134077A5 (en) 1979-02-07
FR2382406A1 (en) 1978-09-29
IT7820798A0 (en) 1978-03-01
SE7801977L (en) 1978-09-03

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Legal Events

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BV The patent application has lapsed