CS199718B2 - Process for the neutralization of rinsing water and mordants from pickling shops - Google Patents
Process for the neutralization of rinsing water and mordants from pickling shops Download PDFInfo
- Publication number
- CS199718B2 CS199718B2 CS781270A CS127078A CS199718B2 CS 199718 B2 CS199718 B2 CS 199718B2 CS 781270 A CS781270 A CS 781270A CS 127078 A CS127078 A CS 127078A CS 199718 B2 CS199718 B2 CS 199718B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- calcium carbonate
- neutralization
- water
- neutralized
- pickling
- Prior art date
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)
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 |
---|---|
CS199718B2 true CS199718B2 (en) | 1980-07-31 |
Family
ID=3512874
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CS781270A CS199718B2 (en) | 1977-03-02 | 1978-02-28 | Process for the neutralization of rinsing water and mordants from pickling shops |
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)
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 |
EP0072885B1 (de) * | 1982-01-19 | 1986-04-30 | industrie automation Sondertechnik GmbH & Co | Verfahren zur Dekontamination natürlicher und technischer Schlämme |
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 |
PL2975004T3 (pl) * | 2014-07-17 | 2018-01-31 | Omya Int Ag | Obróbka kwasowych ścieków |
Family Cites Families (5)
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 BE BE185591A patent/BE864457A/xx unknown
- 1978-03-01 PL PL20499778A patent/PL204997A1/xx unknown
- 1978-03-01 FR FR7805846A patent/FR2382406A1/fr not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
NL7802177A (nl) | 1978-09-05 |
FR2382406A1 (fr) | 1978-09-29 |
DE2808012A1 (de) | 1978-09-07 |
IT1095471B (it) | 1985-08-10 |
IT7820798A0 (it) | 1978-03-01 |
SE7801977L (sv) | 1978-09-03 |
ATA139277A (de) | 1978-07-15 |
PL204997A1 (pl) | 1978-12-18 |
AT348947B (de) | 1979-03-12 |
BE864457A (fr) | 1978-07-03 |
DD134077A5 (de) | 1979-02-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4255154B2 (ja) | 二酸化硫黄含有溶液からヒ素を除去する方法 | |
US4350597A (en) | Apparatus and process for treatment of sludge | |
JPH04265189A (ja) | 飛散ダストの処理方法 | |
US3579443A (en) | Formation of dense precipitates | |
WO1991007354A1 (en) | Water treatment method | |
US2692229A (en) | Disposal of waste pickle liquor | |
CS199718B2 (en) | Process for the neutralization of rinsing water and mordants from pickling shops | |
JPS5670893A (en) | Treatment of muddy water | |
US8013204B2 (en) | Use of partly prehydrated lime for separating a solid matter/liquid mixture, method for treating sludge and purified sludge obtained by said method | |
US3511777A (en) | Method of neutralizing acid waste water | |
US3562015A (en) | Treatment of phosphate type carry-over on metal workpieces | |
JP2575886B2 (ja) | 化学洗浄廃液の処理方法 | |
CN109761397A (zh) | 一种去除生化出水中总有机碳和苯系物的方法和装置 | |
US3752759A (en) | Depuration of an aqueous solution containing vanadium and cobalt salts as impurities | |
JPS6339308B2 (it) | ||
JPS61161191A (ja) | 重金属イオン含有液の処理方法 | |
US4209489A (en) | Apparatus for treating spent hydrochloric acid | |
Wing | Removal of Heavy Metals from Industrial Wastewaters Using Insoluble Starch Xanthate | |
JP2575878B2 (ja) | 化学洗浄廃液の処理法 | |
JPS56111084A (en) | Treatment of waste water containing foam extinguishing agent | |
CA1099832A (en) | Waste disposal | |
SE512118C2 (sv) | Förfarande för vattenrening | |
SU1717548A1 (ru) | Способ очистки кислых сточных вод от мышь ка и цветных металлов | |
RU2105728C1 (ru) | Способ очистки сточных вод от цинка | |
EP1258514A1 (en) | Granular abrasive substance for surface treatment of products in general |