DE172929C - - Google Patents

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Publication number

DE172929C

DE172929C DENDAT172929D DE172929DA DE172929C DE 172929 C DE172929 C DE 172929C DE NDAT172929 D DENDAT172929 D DE NDAT172929D DE 172929D A DE172929D A DE 172929DA DE 172929 C DE172929 C DE 172929C

Authority

DE

Germany

Prior art keywords

zinc

hydrosulfites

crystallization

water

hydrosulfite

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.)

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• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
• 238000002425 crystallisation Methods 0.000 claims description 9
• 230000008025 crystallization Effects 0.000 claims description 9
• 238000000034 method Methods 0.000 claims description 6
• 229910052725 zinc Inorganic materials 0.000 claims description 6
• 239000011701 zinc Substances 0.000 claims description 6
• 239000003513 alkali Substances 0.000 claims description 5
• GRWZHXKQBITJKP-UHFFFAOYSA-N dithionous acid Chemical class OS(=O)S(O)=O GRWZHXKQBITJKP-UHFFFAOYSA-N 0.000 claims description 5
• PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical class [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 claims description 5
• 239000007787 solid Substances 0.000 claims description 4
• -1 Zinc alkali metal hydrosulfites Chemical class 0.000 claims description 2
• 229910052783 alkali metal Inorganic materials 0.000 claims description 2
• 238000012986 modification Methods 0.000 claims 1
• 230000004048 modification Effects 0.000 claims 1
• HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
• 235000011121 sodium hydroxide Nutrition 0.000 description 9
• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
• HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 5
• 150000003839 salts Chemical class 0.000 description 5
• JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 4
• 238000006243 chemical reaction Methods 0.000 description 3
• FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
• YVCKGVFNZUJVBS-UHFFFAOYSA-L [Na+].[Zn+2].[O-]S(=O)S([O-])=O Chemical compound [Na+].[Zn+2].[O-]S(=O)S([O-])=O YVCKGVFNZUJVBS-UHFFFAOYSA-L 0.000 description 2
• 239000013078 crystal Substances 0.000 description 2
• 238000001914 filtration Methods 0.000 description 2
• 238000003756 stirring Methods 0.000 description 2
• 150000003751 zinc Chemical class 0.000 description 2
• 241001140714 Citrus latifolia Species 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 239000003518 caustics Substances 0.000 description 1
• 230000018044 dehydration Effects 0.000 description 1
• 238000006297 dehydration reaction Methods 0.000 description 1
• GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
• 238000001035 drying Methods 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 238000002360 preparation method Methods 0.000 description 1
• 238000005185 salting out Methods 0.000 description 1
• 239000011780 sodium chloride Substances 0.000 description 1
• 238000005406 washing Methods 0.000 description 1