BE388350A - - Google Patents

Info

Publication number

BE388350A

BE388350A BE388350DA BE388350A BE 388350 A BE388350 A BE 388350A BE 388350D A BE388350D A BE 388350DA BE 388350 A BE388350 A BE 388350A

Authority

BE

Belgium

Prior art keywords

sulfur dioxide

gases

solvent

solution

temperature

Prior art date

Links

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• RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 36
• 239000007789 gas Substances 0.000 claims description 10
• VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 8
• 238000000034 method Methods 0.000 claims description 8
• 239000002904 solvent Substances 0.000 claims description 7
• 239000007864 aqueous solution Substances 0.000 claims description 5
• 239000002244 precipitate Substances 0.000 claims description 5
• 239000000126 substance Substances 0.000 claims description 4
• 150000008044 alkali metal hydroxides Chemical class 0.000 claims description 3
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 claims description 3
• 229910001854 alkali hydroxide Inorganic materials 0.000 claims 1
• 239000012670 alkaline solution Substances 0.000 claims 1
• 239000000243 solution Substances 0.000 description 7
• GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 4
• -1 hydrogen ions Chemical class 0.000 description 3
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
• NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
• 238000010521 absorption reaction Methods 0.000 description 2
• 239000003513 alkali Substances 0.000 description 2
• 229910052783 alkali metal Inorganic materials 0.000 description 2
• 150000001340 alkali metals Chemical class 0.000 description 2
• 229910052739 hydrogen Inorganic materials 0.000 description 2
• 239000001257 hydrogen Substances 0.000 description 2
• 235000010265 sodium sulphite Nutrition 0.000 description 2
• 238000005406 washing Methods 0.000 description 2
• 229910021555 Chromium Chloride Inorganic materials 0.000 description 1
• 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical class OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 description 1
• 239000002253 acid Substances 0.000 description 1
• 229910021529 ammonia Inorganic materials 0.000 description 1
• 235000019270 ammonium chloride Nutrition 0.000 description 1
• 239000002585 base Substances 0.000 description 1
• QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 description 1
• 238000000605 extraction Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 230000007062 hydrolysis Effects 0.000 description 1
• 238000006460 hydrolysis reaction Methods 0.000 description 1
• 150000004679 hydroxides Chemical class 0.000 description 1
• RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
• 239000000203 mixture Substances 0.000 description 1
• 238000003303 reheating Methods 0.000 description 1
• 150000003839 salts Chemical class 0.000 description 1
• 229920006395 saturated elastomer Polymers 0.000 description 1