JPH0336595B2 - - Google Patents
Info
- Publication number
- JPH0336595B2 JPH0336595B2 JP19576189A JP19576189A JPH0336595B2 JP H0336595 B2 JPH0336595 B2 JP H0336595B2 JP 19576189 A JP19576189 A JP 19576189A JP 19576189 A JP19576189 A JP 19576189A JP H0336595 B2 JPH0336595 B2 JP H0336595B2
- Authority
- JP
- Japan
- Prior art keywords
- hexavalent chromium
- wastewater
- iron
- aqueous solution
- composition
- 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.)
- Expired
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 33
- 239000002351 wastewater Substances 0.000 claims description 29
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000000203 mixture Substances 0.000 claims description 19
- 239000007864 aqueous solution Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 150000002505 iron Chemical class 0.000 claims description 8
- 239000012629 purifying agent Substances 0.000 claims description 8
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 5
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 claims description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 239000012266 salt solution Substances 0.000 claims 2
- 238000011282 treatment Methods 0.000 description 11
- 239000011651 chromium Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 239000011790 ferrous sulphate Substances 0.000 description 3
- 235000003891 ferrous sulphate Nutrition 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 3
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 229910001447 ferric ion Inorganic materials 0.000 description 2
- 229960002089 ferrous chloride Drugs 0.000 description 2
- 229910001448 ferrous ion Inorganic materials 0.000 description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- VQWFNAGFNGABOH-UHFFFAOYSA-K chromium(iii) hydroxide Chemical compound [OH-].[OH-].[OH-].[Cr+3] VQWFNAGFNGABOH-UHFFFAOYSA-K 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001784 detoxification Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229960004887 ferric hydroxide Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 239000008235 industrial water Substances 0.000 description 1
- 235000014413 iron hydroxide Nutrition 0.000 description 1
- -1 iron ions Chemical class 0.000 description 1
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 235000010269 sulphur dioxide Nutrition 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Compounds Of Iron (AREA)
- Removal Of Specific Substances (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19576189A JPH0360795A (ja) | 1989-07-27 | 1989-07-27 | 六価クロム含有排水の浄水剤組成物 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19576189A JPH0360795A (ja) | 1989-07-27 | 1989-07-27 | 六価クロム含有排水の浄水剤組成物 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0360795A JPH0360795A (ja) | 1991-03-15 |
| JPH0336595B2 true JPH0336595B2 (es) | 1991-05-31 |
Family
ID=16346521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19576189A Granted JPH0360795A (ja) | 1989-07-27 | 1989-07-27 | 六価クロム含有排水の浄水剤組成物 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0360795A (es) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001293485A (ja) * | 2000-04-12 | 2001-10-23 | Kurita Water Ind Ltd | ６価クロム含有廃水の処理方法及び処理装置 |
-
1989
- 1989-07-27 JP JP19576189A patent/JPH0360795A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0360795A (ja) | 1991-03-15 |
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