JPS5561996A - Treatment method for chemical cleaning waste water - Google Patents
Treatment method for chemical cleaning waste waterInfo
- Publication number
- JPS5561996A JPS5561996A JP13458178A JP13458178A JPS5561996A JP S5561996 A JPS5561996 A JP S5561996A JP 13458178 A JP13458178 A JP 13458178A JP 13458178 A JP13458178 A JP 13458178A JP S5561996 A JPS5561996 A JP S5561996A
- Authority
- JP
- Japan
- Prior art keywords
- waste water
- perfulfate
- chemical cleaning
- hydroxide
- cod
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000002351 wastewater Substances 0.000 title abstract 6
- 239000000126 substance Substances 0.000 title abstract 5
- 238000004140 cleaning Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 abstract 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 abstract 2
- 229910001385 heavy metal Inorganic materials 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 abstract 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 239000001506 calcium phosphate Substances 0.000 abstract 1
- 229910000389 calcium phosphate Inorganic materials 0.000 abstract 1
- 235000011010 calcium phosphates Nutrition 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 239000010949 copper Substances 0.000 abstract 1
- -1 etc. Substances 0.000 abstract 1
- 229960004887 ferric hydroxide Drugs 0.000 abstract 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 abstract 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 abstract 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 150000004692 metal hydroxides Chemical class 0.000 abstract 1
- 235000021317 phosphate Nutrition 0.000 abstract 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 abstract 1
- 230000002829 reductive effect Effects 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Removal Of Specific Substances (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
PURPOSE: To remove almost completely, as well as phosphoric acid responsible for the occurrence of red tide, such harmful substances as COD, heavy matals (mainly iron), SS, etc., present in chemical cleaning waste waters including hydrochloric acid washing water for the removal of scale and a rust-proofing liquid of phosphoric acid to within the effluent standard values.
CONSTITUTION: A calciun compound, e.g., calcium hydroxide, calcium chloride, etc., and an alkali compoond, e.g., sodium hydroxide, etc., are jointly added to a chemical cleaning waste water to precipitate phosphates and heavy metals such as iron, copper, etc., in the forms of calcium phosphate and heavy metal hydroxides, and then air is blown into the waste water to oxidize reductive ferrous hydroxide to ferric hydroxide. Furthermore, a perfulfate, e.g., ammonium perfulfate, sodium perfulfate, or potassium persulfate, is added to the waste water in an amount more than equivalent of COD present in the waste water to oxidize and decompose the COD components. Thus, harmful substances can be removed to within the effluent standard values as shown in the table, which are extracted from examples in each place.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13458178A JPS5561996A (en) | 1978-11-02 | 1978-11-02 | Treatment method for chemical cleaning waste water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13458178A JPS5561996A (en) | 1978-11-02 | 1978-11-02 | Treatment method for chemical cleaning waste water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5561996A true JPS5561996A (en) | 1980-05-10 |
| JPS6159799B2 JPS6159799B2 (en) | 1986-12-18 |
Family
ID=15131700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13458178A Granted JPS5561996A (en) | 1978-11-02 | 1978-11-02 | Treatment method for chemical cleaning waste water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5561996A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12371641B2 (en) | 2021-08-02 | 2025-07-29 | Ecolab Usa Inc. | Booster composition for cleaning fermentation equipment and methods of use |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5047457A (en) * | 1973-08-30 | 1975-04-26 | ||
| JPS5315297A (en) * | 1976-07-28 | 1978-02-10 | Hitachi Zosen Corp | Production of caustic soda and hydrogen chloride by diaphragm electrolysis of molten salt |
| JPS5334182A (en) * | 1976-09-13 | 1978-03-30 | Hitachi Ltd | Method of detecting abnormality in coil spring feed device |
-
1978
- 1978-11-02 JP JP13458178A patent/JPS5561996A/en active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5047457A (en) * | 1973-08-30 | 1975-04-26 | ||
| JPS5315297A (en) * | 1976-07-28 | 1978-02-10 | Hitachi Zosen Corp | Production of caustic soda and hydrogen chloride by diaphragm electrolysis of molten salt |
| JPS5334182A (en) * | 1976-09-13 | 1978-03-30 | Hitachi Ltd | Method of detecting abnormality in coil spring feed device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12371641B2 (en) | 2021-08-02 | 2025-07-29 | Ecolab Usa Inc. | Booster composition for cleaning fermentation equipment and methods of use |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6159799B2 (en) | 1986-12-18 |
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