DE250127C - - Google Patents

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Publication number

DE250127C

DE250127C DENDAT250127D DE250127DA DE250127C DE 250127 C DE250127 C DE 250127C DE NDAT250127 D DENDAT250127 D DE NDAT250127D DE 250127D A DE250127D A DE 250127DA DE 250127 C DE250127 C DE 250127C

Authority

DE

Germany

Prior art keywords

hydrosulfite

ammonia

crystallization

water

alkali

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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• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 19
• 229910021529 ammonia Inorganic materials 0.000 claims description 8
• 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
• 238000000034 method Methods 0.000 claims description 5
• 238000002360 preparation method Methods 0.000 claims description 2
• 230000004048 modification Effects 0.000 claims 1
• 238000012986 modification Methods 0.000 claims 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
• 238000002425 crystallisation Methods 0.000 description 9
• 230000008025 crystallization Effects 0.000 description 9
• HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
• JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 description 6
• GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 5
• 150000001447 alkali salts Chemical class 0.000 description 4
• 235000002639 sodium chloride Nutrition 0.000 description 4
• FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
• 229920006395 saturated elastomer Polymers 0.000 description 3
• 239000011734 sodium Substances 0.000 description 3
• 235000011121 sodium hydroxide Nutrition 0.000 description 3
• 230000015572 biosynthetic process Effects 0.000 description 2
• 239000000203 mixture Substances 0.000 description 2
• 150000003839 salts Chemical class 0.000 description 2
• 239000011780 sodium chloride Substances 0.000 description 2
• 239000007787 solid Substances 0.000 description 2
• 238000010626 work up procedure Methods 0.000 description 2
• DHOCGIHFPKXZJB-UHFFFAOYSA-N [Cl+].N[H] Chemical compound [Cl+].N[H] DHOCGIHFPKXZJB-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 230000001476 alcoholic effect Effects 0.000 description 1
• 229910052783 alkali metal Inorganic materials 0.000 description 1
• -1 alkali metal hydrosulfite Chemical class 0.000 description 1
• 150000003863 ammonium salts Chemical class 0.000 description 1
• 230000005484 gravity Effects 0.000 description 1
• 238000002156 mixing Methods 0.000 description 1
• 238000005185 salting out Methods 0.000 description 1
• 238000000926 separation method Methods 0.000 description 1
• QLUZJFBPDLVUQW-UHFFFAOYSA-K sodium zinc trihydroxide Chemical compound [OH-].[OH-].[OH-].[Na+].[Zn++] QLUZJFBPDLVUQW-UHFFFAOYSA-K 0.000 description 1
• PENRVBJTRIYHOA-UHFFFAOYSA-L zinc dithionite Chemical compound [Zn+2].[O-]S(=O)S([O-])=O PENRVBJTRIYHOA-UHFFFAOYSA-L 0.000 description 1