BE419090A - - Google Patents

Info

Publication number

BE419090A

BE419090A BE419090DA BE419090A BE 419090 A BE419090 A BE 419090A BE 419090D A BE419090D A BE 419090DA BE 419090 A BE419090 A BE 419090A

Authority

BE

Belgium

Prior art keywords

sep

salt

acid

solution

sulfur dioxide

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 73
• 239000002253 acid Substances 0.000 claims description 48
• 239000000243 solution Substances 0.000 claims description 41
• 150000003839 salts Chemical class 0.000 claims description 32
• 238000010521 absorption reaction Methods 0.000 claims description 16
• 239000007789 gas Substances 0.000 claims description 15
• LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 9
• PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 claims description 8
• 238000000034 method Methods 0.000 claims description 8
• 150000007513 acids Chemical class 0.000 claims description 7
• 238000010438 heat treatment Methods 0.000 claims description 7
• 229910052783 alkali metal Inorganic materials 0.000 claims description 2
• 150000001340 alkali metals Chemical class 0.000 claims description 2
• 150000003863 ammonium salts Chemical class 0.000 claims description 2
• FOCAUTSVDIKZOP-UHFFFAOYSA-N chloroacetic acid Chemical class OC(=O)CCl FOCAUTSVDIKZOP-UHFFFAOYSA-N 0.000 claims 2
• 229910019142 PO4 Inorganic materials 0.000 claims 1
• 150000001242 acetic acid derivatives Chemical class 0.000 claims 1
• 150000001558 benzoic acid derivatives Chemical class 0.000 claims 1
• WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid group Chemical group C(C1=CC=CC=C1)(=O)O WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims 1
• 150000001860 citric acid derivatives Chemical class 0.000 claims 1
• BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims 1
• 150000003893 lactate salts Chemical class 0.000 claims 1
• 235000021317 phosphate Nutrition 0.000 claims 1
• 150000003013 phosphoric acid derivatives Chemical class 0.000 claims 1
• 125000005498 phthalate group Chemical class 0.000 claims 1
• 150000003873 salicylate salts Chemical class 0.000 claims 1
• 239000012266 salt solution Substances 0.000 claims 1
• -1 sulfanilates Chemical class 0.000 claims 1
• 150000003892 tartrate salts Chemical class 0.000 claims 1
• 235000010269 sulphur dioxide Nutrition 0.000 description 30
• JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 12
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
• LSNNMFCWUKXFEE-UHFFFAOYSA-L sulfite Chemical compound [O-]S([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-L 0.000 description 7
• 238000009835 boiling Methods 0.000 description 6
• 235000014655 lactic acid Nutrition 0.000 description 6
• 239000004310 lactic acid Substances 0.000 description 6
• QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 5
• 239000007864 aqueous solution Substances 0.000 description 4
• QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
• KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
• AOSFMYBATFLTAQ-UHFFFAOYSA-N 1-amino-3-(benzimidazol-1-yl)propan-2-ol Chemical compound C1=CC=C2N(CC(O)CN)C=NC2=C1 AOSFMYBATFLTAQ-UHFFFAOYSA-N 0.000 description 2
• 239000004251 Ammonium lactate Substances 0.000 description 2
• 229940059265 ammonium lactate Drugs 0.000 description 2
• 235000019286 ammonium lactate Nutrition 0.000 description 2
• RZOBLYBZQXQGFY-HSHFZTNMSA-N azanium;(2r)-2-hydroxypropanoate Chemical compound [NH4+].C[C@@H](O)C([O-])=O RZOBLYBZQXQGFY-HSHFZTNMSA-N 0.000 description 2
• VHUUQVKOLVNVRT-UHFFFAOYSA-O azanium;hydron;hydroxide Chemical compound [NH4+].O VHUUQVKOLVNVRT-UHFFFAOYSA-O 0.000 description 2
• 238000000354 decomposition reaction Methods 0.000 description 2
• 238000000605 extraction Methods 0.000 description 2
• YWYZEGXAUVWDED-UHFFFAOYSA-N triammonium citrate Chemical compound [NH4+].[NH4+].[NH4+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O YWYZEGXAUVWDED-UHFFFAOYSA-N 0.000 description 2
• 238000009834 vaporization Methods 0.000 description 2
• 230000008016 vaporization Effects 0.000 description 2
• VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
• UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 1
• LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
• PROVWVKTVGXRBO-UHFFFAOYSA-N S(=O)([O-])[O-].[NH4+].S(=O)([O-])[O-].[NH4+].[NH4+].[NH4+] Chemical compound S(=O)([O-])[O-].[NH4+].S(=O)([O-])[O-].[NH4+].[NH4+].[NH4+] PROVWVKTVGXRBO-UHFFFAOYSA-N 0.000 description 1
• ZGSDJMADBJCNPN-UHFFFAOYSA-N [S-][NH3+] Chemical compound [S-][NH3+] ZGSDJMADBJCNPN-UHFFFAOYSA-N 0.000 description 1
• 230000002745 absorbent Effects 0.000 description 1
• 239000002250 absorbent Substances 0.000 description 1
• 229910021529 ammonia Inorganic materials 0.000 description 1
• ZETCGWYACBNPIH-UHFFFAOYSA-N azane;sulfurous acid Chemical compound N.OS(O)=O ZETCGWYACBNPIH-UHFFFAOYSA-N 0.000 description 1
• 239000002585 base Substances 0.000 description 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 230000005587 bubbling Effects 0.000 description 1
• 150000001875 compounds Chemical class 0.000 description 1
• 238000001816 cooling Methods 0.000 description 1
• 239000000428 dust Substances 0.000 description 1
• 230000000694 effects Effects 0.000 description 1
• 230000007062 hydrolysis Effects 0.000 description 1
• 238000006460 hydrolysis reaction Methods 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 239000007788 liquid Substances 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1
• 230000008929 regeneration Effects 0.000 description 1
• 238000011069 regeneration method Methods 0.000 description 1