SU192793A1 - - Google Patents

Info

Publication number

SU192793A1

SU192793A1 SU1064331A SU1064331A SU192793A1 SU 192793 A1 SU192793 A1 SU 192793A1 SU 1064331 A SU1064331 A SU 1064331A SU 1064331 A SU1064331 A SU 1064331A SU 192793 A1 SU192793 A1 SU 192793A1

Authority

SU

USSR - Soviet Union

Prior art keywords

mixture

acid

solvent

water

ethanol

Prior art date

Links

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• LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
• 239000000203 mixture Substances 0.000 description 15
• 238000000034 method Methods 0.000 description 9
• 239000002253 acid Substances 0.000 description 7
• 239000002904 solvent Substances 0.000 description 7
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
• KHARCSTZAGNHOT-UHFFFAOYSA-N naphthalene-2,3-dicarboxylic acid Chemical class C1=CC=C2C=C(C(O)=O)C(C(=O)O)=CC2=C1 KHARCSTZAGNHOT-UHFFFAOYSA-N 0.000 description 6
• CYIDZMCFTVVTJO-UHFFFAOYSA-N pyromellitic acid Chemical compound OC(=O)C1=CC(C(O)=O)=C(C(O)=O)C=C1C(O)=O CYIDZMCFTVVTJO-UHFFFAOYSA-N 0.000 description 6
• 239000007864 aqueous solution Substances 0.000 description 4
• 239000013078 crystal Substances 0.000 description 4
• 239000000047 product Substances 0.000 description 4
• 150000007513 acids Chemical class 0.000 description 3
• 238000004821 distillation Methods 0.000 description 3
• 239000000243 solution Substances 0.000 description 3
• CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
• 238000004458 analytical method Methods 0.000 description 2
• 239000002244 precipitate Substances 0.000 description 2
• 238000000926 separation method Methods 0.000 description 2
• 239000000126 substance Substances 0.000 description 2
• 238000010521 absorption reaction Methods 0.000 description 1
• QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
• 229910002092 carbon dioxide Inorganic materials 0.000 description 1
• 239000001569 carbon dioxide Substances 0.000 description 1
• 239000000706 filtrate Substances 0.000 description 1
• 238000001914 filtration Methods 0.000 description 1
• 238000010438 heat treatment Methods 0.000 description 1
• 239000012535 impurity Substances 0.000 description 1
• 239000012452 mother liquor Substances 0.000 description 1
• KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
• 229910052760 oxygen Inorganic materials 0.000 description 1
• 239000001301 oxygen Substances 0.000 description 1
• 230000002035 prolonged effect Effects 0.000 description 1
• 238000005979 thermal decomposition reaction Methods 0.000 description 1
• 238000004448 titration Methods 0.000 description 1