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
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000006386 neutralization reaction Methods 0.000 title claims description 26
- 238000005554 pickling Methods 0.000 title claims description 11
- 239000008237 rinsing water Substances 0.000 title description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 90
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 45
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 5
- 230000003472 neutralizing effect Effects 0.000 claims description 10
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 9
- 239000004571 lime Substances 0.000 claims description 9
- 239000008267 milk Substances 0.000 claims description 8
- 210000004080 milk Anatomy 0.000 claims description 8
- 235000013336 milk Nutrition 0.000 claims description 8
- 239000002253 acid Substances 0.000 abstract description 15
- 239000000920 calcium hydroxide Substances 0.000 abstract description 15
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 11
- 229910052751 metal Inorganic materials 0.000 abstract description 11
- 159000000014 iron salts Chemical class 0.000 abstract description 4
- 238000005352 clarification Methods 0.000 abstract description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 abstract description 2
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 2
- 239000005569 Iron sulphate Substances 0.000 abstract 1
- 235000010216 calcium carbonate Nutrition 0.000 abstract 1
- 238000010908 decantation Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 235000013339 cereals Nutrition 0.000 description 10
- 239000006260 foam Substances 0.000 description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 239000002351 wastewater Substances 0.000 description 8
- 150000007513 acids Chemical class 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 235000019738 Limestone Nutrition 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 5
- 230000002378 acidificating effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000006028 limestone Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 4
- -1 hydrochloric Chemical class 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229960004887 ferric hydroxide Drugs 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 235000013312 flour Nutrition 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 235000014413 iron hydroxide Nutrition 0.000 description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
- 239000008258 liquid foam Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 239000003929 acidic solution Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010410 dusting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 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)
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 (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)
| 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 |
| DK2975004T3 (da) * | 2014-07-17 | 2017-11-20 | Omya Int Ag | Syrespildevandsbehandling |
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/de 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 PL PL20499778A patent/PL204997A1/xx unknown
- 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/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ATA139277A (de) | 1978-07-15 |
| NL7802177A (nl) | 1978-09-05 |
| AT348947B (de) | 1979-03-12 |
| IT7820798A0 (it) | 1978-03-01 |
| FR2382406A1 (fr) | 1978-09-29 |
| IT1095471B (it) | 1985-08-10 |
| BE864457A (fr) | 1978-07-03 |
| PL204997A1 (pl) | 1978-12-18 |
| SE7801977L (sv) | 1978-09-03 |
| DE2808012A1 (de) | 1978-09-07 |
| DD134077A5 (de) | 1979-02-07 |
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