DD134077A5 - Verfahren zur neutralisation von saeurehaltigen fluessigkeiten - Google Patents

Verfahren zur neutralisation von saeurehaltigen fluessigkeiten

Info

Publication number: DD134077A5
Authority: DD; German Democratic Republic
Prior art keywords: saeure; neutralization; containing fluids; fluids
Prior art date: 1977-03-02

Application number

DD78203887A

Other languages

German (de)

English (en)

Inventor

Walter 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.)

1977-03-02

Filing date

1978-02-28

Publication date

1979-02-07

1978-02-28 Application filed by Voest Ag filed Critical Voest Ag

1979-02-07 Publication of DD134077A5 publication Critical patent/DD134077A5/xx

Links

239000012530 fluid Substances 0.000 title 1
238000000034 method Methods 0.000 title 1
238000006386 neutralization reaction Methods 0.000 title 1

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)

DD78203887A 1977-03-02 1978-02-28 Verfahren zur neutralisation von saeurehaltigen fluessigkeiten DD134077A5 (de)

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 (1)

Publication Number	Publication Date
DD134077A5 true DD134077A5 (de)	1979-02-07

Family

ID=3512874

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD78203887A DD134077A5 (de)	1977-03-02	1978-02-28	Verfahren zur neutralisation von saeurehaltigen fluessigkeiten

Country Status (10)

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

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
NO2975004T3 (cs) *	2014-07-17	2018-01-27

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

1977
- 1977-03-02 AT AT139277A patent/AT348947B/de not_active IP Right Cessation
1978
- 1978-02-21 SE SE7801977A patent/SE7801977L/xx unknown
- 1978-02-24 DE DE19782808012 patent/DE2808012A1/de active Pending
- 1978-02-28 DD DD78203887A patent/DD134077A5/xx unknown
- 1978-02-28 NL NL7802177A patent/NL7802177A/xx not_active Application Discontinuation
- 1978-02-28 CS CS781270A patent/CS199718B2/cs unknown
- 1978-03-01 IT IT20798/78A patent/IT1095471B/it active
- 1978-03-01 PL PL20499778A patent/PL204997A1/xx unknown
- 1978-03-01 FR FR7805846A patent/FR2382406A1/fr not_active Withdrawn
- 1978-03-01 BE BE185591A patent/BE864457A/xx unknown

Also Published As

Publication number	Publication date
BE864457A (fr)	1978-07-03
AT348947B (de)	1979-03-12
IT1095471B (it)	1985-08-10
ATA139277A (de)	1978-07-15
DE2808012A1 (de)	1978-09-07
CS199718B2 (en)	1980-07-31
NL7802177A (nl)	1978-09-05
FR2382406A1 (fr)	1978-09-29
PL204997A1 (pl)	1978-12-18
IT7820798A0 (it)	1978-03-01
SE7801977L (sv)	1978-09-03

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