JPS6129792B2 - - Google Patents

Info

Publication number

JPS6129792B2

JPS6129792B2 JP6311378A JP6311378A JPS6129792B2 JP S6129792 B2 JPS6129792 B2 JP S6129792B2 JP 6311378 A JP6311378 A JP 6311378A JP 6311378 A JP6311378 A JP 6311378A JP S6129792 B2 JPS6129792 B2 JP S6129792B2

Authority

JP

Japan

Prior art keywords

wastewater

liquid

precipitate

waste liquid

ferrite

Prior art date

1978-05-26

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

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• 239000007788 liquid Substances 0.000 claims description 27
• 229910001385 heavy metal Inorganic materials 0.000 claims description 16
• 239000002351 wastewater Substances 0.000 claims description 16
• 239000002245 particle Substances 0.000 claims description 14
• 238000000034 method Methods 0.000 claims description 13
• 239000002699 waste material Substances 0.000 claims description 13
• BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 10
• 230000005294 ferromagnetic effect Effects 0.000 claims description 7
• 230000001590 oxidative effect Effects 0.000 claims description 5
• 239000003513 alkali Substances 0.000 claims description 3
• 150000002500 ions Chemical class 0.000 claims description 2
• 229910052751 metal Inorganic materials 0.000 claims description 2
• 239000002184 metal Substances 0.000 claims description 2
• XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
• 229910052742 iron Inorganic materials 0.000 claims 1
• -1 iron ions Chemical class 0.000 claims 1
• 150000002739 metals Chemical class 0.000 claims 1
• 231100000331 toxic Toxicity 0.000 claims 1
• 230000002588 toxic effect Effects 0.000 claims 1
• 239000002244 precipitate Substances 0.000 description 19
• 229910000859 α-Fe Inorganic materials 0.000 description 14
• 238000006243 chemical reaction Methods 0.000 description 8
• 238000000926 separation method Methods 0.000 description 5
• 238000007254 oxidation reaction Methods 0.000 description 4
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
• CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 3
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
• 239000013078 crystal Substances 0.000 description 3
• 229910001448 ferrous ion Inorganic materials 0.000 description 3
• 238000007664 blowing Methods 0.000 description 2
• 230000000694 effects Effects 0.000 description 2
• 235000003891 ferrous sulphate Nutrition 0.000 description 2
• 239000011790 ferrous sulphate Substances 0.000 description 2
• 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
• 230000005291 magnetic effect Effects 0.000 description 2
• 238000007885 magnetic separation Methods 0.000 description 2
• 238000004062 sedimentation Methods 0.000 description 2
• 239000007787 solid Substances 0.000 description 2
• 238000004438 BET method Methods 0.000 description 1
• 239000011358 absorbing material Substances 0.000 description 1
• 230000004931 aggregating effect Effects 0.000 description 1
• 230000003679 aging effect Effects 0.000 description 1
• 238000003321 atomic absorption spectrophotometry Methods 0.000 description 1
• 239000006227 byproduct Substances 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000010828 elution Methods 0.000 description 1
• 239000011521 glass Substances 0.000 description 1
• 229910052598 goethite Inorganic materials 0.000 description 1
• AEIXRCIKZIZYPM-UHFFFAOYSA-M hydroxy(oxo)iron Chemical compound [O][Fe]O AEIXRCIKZIZYPM-UHFFFAOYSA-M 0.000 description 1
• 230000001678 irradiating effect Effects 0.000 description 1
• 239000011553 magnetic fluid Substances 0.000 description 1
• 239000006148 magnetic separator Substances 0.000 description 1
• 150000004692 metal hydroxides Chemical class 0.000 description 1
• 230000003647 oxidation Effects 0.000 description 1
• 239000011164 primary particle Substances 0.000 description 1
• 239000000047 product Substances 0.000 description 1
• 239000002994 raw material Substances 0.000 description 1
• 230000000630 rising effect Effects 0.000 description 1
• 239000011163 secondary particle Substances 0.000 description 1
• 235000011121 sodium hydroxide Nutrition 0.000 description 1

Cited By (1)