BE864457A - Procede de neutralisation de liquides contenant des acides - Google Patents

Procede de neutralisation de liquides contenant des acides

Info

Publication number: BE864457A
Authority: BE; Belgium
Prior art keywords: liquids containing; containing acids; neutralizing liquids; neutralizing; acids
Prior art date: 1977-03-02

Application number

BE185591A

Other languages

English (en)

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

1978-03-01

Publication date

1978-07-03

1978-03-01 Application filed by Voest Ag filed Critical Voest Ag

1978-07-03 Publication of BE864457A publication Critical patent/BE864457A/fr

Links

239000002253 acid Substances 0.000 title 1
150000007513 acids Chemical class 0.000 title 1
239000007788 liquid Substances 0.000 title 1
230000003472 neutralizing effect Effects 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)

BE185591A 1977-03-02 1978-03-01 Procede de neutralisation de liquides contenant des acides BE864457A (fr)

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
BE864457A true BE864457A (fr)	1978-07-03

Family

ID=3512874

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE185591A BE864457A (fr)	1977-03-02	1978-03-01	Procede de neutralisation de liquides contenant des acides

Country Status (10)

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

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
DE102007057414B9 (de) *	2007-11-27	2024-09-19	Rheinkalk Gmbh	Verfahren zum Erhöhen des pH-Werts von sauren Gewässern
ES2650495T3 (es) *	2014-07-17	2018-01-18	Omya International Ag	Tratamiento de aguas residuales ácidas

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 CS CS781270A patent/CS199718B2/cs unknown
- 1978-02-28 NL NL7802177A patent/NL7802177A/xx not_active Application Discontinuation
- 1978-03-01 FR FR7805846A patent/FR2382406A1/fr not_active Withdrawn
- 1978-03-01 IT IT20798/78A patent/IT1095471B/it active
- 1978-03-01 BE BE185591A patent/BE864457A/fr unknown
- 1978-03-01 PL PL20499778A patent/PL204997A1/xx unknown

Also Published As

Publication number	Publication date
SE7801977L (sv)	1978-09-03
DD134077A5 (de)	1979-02-07
FR2382406A1 (fr)	1978-09-29
AT348947B (de)	1979-03-12
IT7820798A0 (it)	1978-03-01
ATA139277A (de)	1978-07-15
DE2808012A1 (de)	1978-09-07
NL7802177A (nl)	1978-09-05
PL204997A1 (pl)	1978-12-18
IT1095471B (it)	1985-08-10
CS199718B2 (en)	1980-07-31

Similar Documents

Publication	Publication Date	Title
BE872978A (fr)	1979-06-21	Procede de desodorisation de boues
FR2460897B1 (fr)	1987-10-09	Procede de traitement des boues
BE876455A (fr)	1979-11-22	Procede de therapeutique anxiolytique
BE871011A (fr)	1979-02-01	Procede de composition de mentions
BE871700A (fr)	1979-04-30	Procede de traitement des eaux usees
BE864754A (fr)	1978-07-03	Procede de pulverisation pneumatique de liquides
BE770043A (fr)	1972-01-17	Procede de purification d'acides phosphoriques par neutralisation
BE861318A (fr)	1978-05-29	Procede de traitement de substances fluorescentes
FR2322103A1 (fr)	1977-03-25	Procede de traitement d'eaux residuaires
BE867386A (fr)	1978-09-18	Procede de traitement de produit de distillation de petrole acide
DD139133A5 (de)	1979-12-12	Verfahren zur steigerung des ertrages an fluessigem synthetischem brennstoff
BE881827A (fr)	1980-08-20	Procede pour la purification de solutions acides contenant des metaux
BE881547A (fr)	1980-05-30	Procede de preparation de d-alpha-amino acides
BE842227A (fr)	1976-09-16	Procede de traitement d'eaux usees contenant de l'alcool polyvinylique
FR2303868A1 (fr)	1976-10-08	Procede de traitement de liquides residuaires acides
FR2339434A1 (fr)	1977-08-26	Procede de traitement des rebuts
BE844351A (fr)	1977-01-20	Procede de traitement d'un effluent
FR2329651A1 (fr)	1977-05-27	Procede de preparation d'acides cyclopropane-carboxyliques
BE851348A (fr)	1977-05-31	Procede de traitement des matieres biologiques
BE867203A (fr)	1978-11-20	Procede de purification de substances solides
PL204997A1 (pl)	1978-12-18	Sposob neutralizacji cieczy zawierajacych kwasy
FR2317221A1 (fr)	1977-02-04	Procede de traitement des boues phosphatees
BE870224A (fr)	1979-03-05	Procede de traitement de residus de distillation de l'hydroformylation de propylene
BE883776A (fr)	1980-10-01	Procede de traitement de boues anodiques
FR2286112A1 (fr)	1976-04-23	Procede de traitement d'un effluent aqueux