JP2015500251A - 脂肪族モノカルボン酸の回収方法 - Google Patents
脂肪族モノカルボン酸の回収方法 Download PDFInfo
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- -1 aliphatic monocarboxylic acid Chemical class 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000004821 distillation Methods 0.000 claims abstract description 69
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 39
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 238000006243 chemical reaction Methods 0.000 claims abstract description 20
- 150000002763 monocarboxylic acids Chemical class 0.000 claims abstract description 19
- 239000011260 aqueous acid Substances 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 14
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 14
- 239000001301 oxygen Substances 0.000 claims abstract description 14
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims abstract description 6
- 229910052700 potassium Inorganic materials 0.000 claims description 23
- 239000011591 potassium Substances 0.000 claims description 23
- 150000001340 alkali metals Chemical class 0.000 claims description 18
- 125000001931 aliphatic group Chemical group 0.000 claims description 15
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 14
- 239000007864 aqueous solution Substances 0.000 claims description 12
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- XZOYHFBNQHPJRQ-UHFFFAOYSA-N 7-methyloctanoic acid Chemical compound CC(C)CCCCCC(O)=O XZOYHFBNQHPJRQ-UHFFFAOYSA-N 0.000 claims description 9
- MHPUGCYGQWGLJL-UHFFFAOYSA-N dimethyl pentanoic acid Natural products CC(C)CCCC(O)=O MHPUGCYGQWGLJL-UHFFFAOYSA-N 0.000 claims description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- OBETXYAYXDNJHR-UHFFFAOYSA-N alpha-ethylcaproic acid Natural products CCCCC(CC)C(O)=O OBETXYAYXDNJHR-UHFFFAOYSA-N 0.000 claims description 8
- 150000007522 mineralic acids Chemical class 0.000 claims description 8
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 claims description 8
- OBETXYAYXDNJHR-SSDOTTSWSA-M (2r)-2-ethylhexanoate Chemical compound CCCC[C@@H](CC)C([O-])=O OBETXYAYXDNJHR-SSDOTTSWSA-M 0.000 claims description 7
- WLAMNBDJUVNPJU-UHFFFAOYSA-N 2-methylbutyric acid Chemical compound CCC(C)C(O)=O WLAMNBDJUVNPJU-UHFFFAOYSA-N 0.000 claims description 7
- 230000003068 static effect Effects 0.000 claims description 7
- UAXOELSVPTZZQG-UHFFFAOYSA-N tiglic acid Natural products CC(C)=C(C)C(O)=O UAXOELSVPTZZQG-UHFFFAOYSA-N 0.000 claims description 7
- KUSYIGBGHPOWEL-UHFFFAOYSA-N 2-methyl nonaoic acid Chemical compound CCCCCCCC(C)C(O)=O KUSYIGBGHPOWEL-UHFFFAOYSA-N 0.000 claims description 6
- OVBFMEVBMNZIBR-UHFFFAOYSA-N 2-methylvaleric acid Chemical compound CCCC(C)C(O)=O OVBFMEVBMNZIBR-UHFFFAOYSA-N 0.000 claims description 6
- OAOABCKPVCUNKO-UHFFFAOYSA-N 8-methyl Nonanoic acid Chemical compound CC(C)CCCCCCC(O)=O OAOABCKPVCUNKO-UHFFFAOYSA-N 0.000 claims description 6
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 claims description 6
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 claims description 6
- MNWFXJYAOYHMED-UHFFFAOYSA-N heptanoic acid Chemical compound CCCCCCC(O)=O MNWFXJYAOYHMED-UHFFFAOYSA-N 0.000 claims description 6
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 6
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- FBUKVWPVBMHYJY-UHFFFAOYSA-N nonanoic acid Chemical compound CCCCCCCCC(O)=O FBUKVWPVBMHYJY-UHFFFAOYSA-N 0.000 claims description 6
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 claims description 6
- OILUAKBAMVLXGF-UHFFFAOYSA-N 3,5,5-trimethyl-hexanoic acid Chemical compound OC(=O)CC(C)CC(C)(C)C OILUAKBAMVLXGF-UHFFFAOYSA-N 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- OXQGTIUCKGYOAA-UHFFFAOYSA-N 2-Ethylbutanoic acid Chemical compound CCC(CC)C(O)=O OXQGTIUCKGYOAA-UHFFFAOYSA-N 0.000 claims description 4
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 4
- WOWYPHJOHOCYII-VOTSOKGWSA-N (e)-2-ethylhex-2-enoic acid Chemical compound CCC\C=C(/CC)C(O)=O WOWYPHJOHOCYII-VOTSOKGWSA-N 0.000 claims description 3
- CVKMFSAVYPAZTQ-UHFFFAOYSA-N 2-methylhexanoic acid Chemical compound CCCCC(C)C(O)=O CVKMFSAVYPAZTQ-UHFFFAOYSA-N 0.000 claims description 3
- JJYWRQLLQAKNAD-UHFFFAOYSA-N 2-methylpent-2-enoic acid Chemical compound CCC=C(C)C(O)=O JJYWRQLLQAKNAD-UHFFFAOYSA-N 0.000 claims description 3
- UJASCXKYKQONIP-UHFFFAOYSA-N 2-propylhept-2-enoic acid Chemical compound CCCCC=C(C(O)=O)CCC UJASCXKYKQONIP-UHFFFAOYSA-N 0.000 claims description 3
- RXGPYPPCEXISOV-UHFFFAOYSA-N 2-propylheptanoic acid Chemical compound CCCCCC(C(O)=O)CCC RXGPYPPCEXISOV-UHFFFAOYSA-N 0.000 claims description 3
- OEOIWYCWCDBOPA-UHFFFAOYSA-N 6-methyl-heptanoic acid Chemical compound CC(C)CCCCC(O)=O OEOIWYCWCDBOPA-UHFFFAOYSA-N 0.000 claims description 3
- VSAJTRPXXNCHGB-UHFFFAOYSA-N 9-methyl-decanoic acid Chemical compound CC(C)CCCCCCCC(O)=O VSAJTRPXXNCHGB-UHFFFAOYSA-N 0.000 claims description 3
- FGKJLKRYENPLQH-UHFFFAOYSA-N isocaproic acid Chemical compound CC(C)CCC(O)=O FGKJLKRYENPLQH-UHFFFAOYSA-N 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 claims description 2
- 229910017604 nitric acid Inorganic materials 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 150000001299 aldehydes Chemical class 0.000 abstract description 24
- 238000007254 oxidation reaction Methods 0.000 abstract description 22
- 230000003647 oxidation Effects 0.000 abstract description 20
- 238000011084 recovery Methods 0.000 abstract description 3
- 239000012074 organic phase Substances 0.000 description 35
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 18
- 239000012071 phase Substances 0.000 description 18
- 239000002253 acid Substances 0.000 description 15
- 239000008346 aqueous phase Substances 0.000 description 15
- 150000001342 alkaline earth metals Chemical class 0.000 description 13
- 238000005191 phase separation Methods 0.000 description 12
- 230000015572 biosynthetic process Effects 0.000 description 11
- 238000002474 experimental method Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 150000007942 carboxylates Chemical class 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 6
- 150000001339 alkali metal compounds Chemical class 0.000 description 5
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 5
- YSEQNZOXHCKLOG-UHFFFAOYSA-N 2-methyl-octanoic acid Chemical compound CCCCCCC(C)C(O)=O YSEQNZOXHCKLOG-UHFFFAOYSA-N 0.000 description 4
- BYGQBDHUGHBGMD-UHFFFAOYSA-N 2-methylbutanal Chemical compound CCC(C)C=O BYGQBDHUGHBGMD-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 150000001735 carboxylic acids Chemical class 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 239000011541 reaction mixture Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 229910052723 transition metal Inorganic materials 0.000 description 4
- 239000000654 additive Substances 0.000 description 3
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 3
- 239000012455 biphasic mixture Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 150000003624 transition metals Chemical class 0.000 description 3
- 239000001893 (2R)-2-methylbutanal Substances 0.000 description 2
- FXNDIJDIPNCZQJ-UHFFFAOYSA-N 2,4,4-trimethylpent-1-ene Chemical group CC(=C)CC(C)(C)C FXNDIJDIPNCZQJ-UHFFFAOYSA-N 0.000 description 2
- KFSQJVOLYQRELE-UHFFFAOYSA-N 2-ethyl-2-butenoic acid Chemical compound CCC(=CC)C(O)=O KFSQJVOLYQRELE-UHFFFAOYSA-N 0.000 description 2
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000006887 Ullmann reaction Methods 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 229910001860 alkaline earth metal hydroxide Inorganic materials 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000004817 gas chromatography Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N pentanal Chemical compound CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 description 2
- 239000003495 polar organic solvent Substances 0.000 description 2
- ZUFQCVZBBNZMKD-UHFFFAOYSA-M potassium 2-ethylhexanoate Chemical compound [K+].CCCCC(CC)C([O-])=O ZUFQCVZBBNZMKD-UHFFFAOYSA-M 0.000 description 2
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical compound [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 2
- 229910000343 potassium bisulfate Inorganic materials 0.000 description 2
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 description 2
- 229910052939 potassium sulfate Inorganic materials 0.000 description 2
- 235000011151 potassium sulphates Nutrition 0.000 description 2
- VCFOFCPAHBIEHH-UHFFFAOYSA-M potassium;2-methylbutanoate Chemical compound [K+].CCC(C)C([O-])=O VCFOFCPAHBIEHH-UHFFFAOYSA-M 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- LGYNIFWIKSEESD-UHFFFAOYSA-N 2-ethylhexanal Chemical compound CCCCC(CC)C=O LGYNIFWIKSEESD-UHFFFAOYSA-N 0.000 description 1
- WTPYRCJDOZVZON-UHFFFAOYSA-N 3,5,5-Trimethylhexanal Chemical compound O=CCC(C)CC(C)(C)C WTPYRCJDOZVZON-UHFFFAOYSA-N 0.000 description 1
- JRPPVSMCCSLJPL-UHFFFAOYSA-N 7-methyloctanal Chemical compound CC(C)CCCCCC=O JRPPVSMCCSLJPL-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 229910000288 alkali metal carbonate Inorganic materials 0.000 description 1
- 150000008041 alkali metal carbonates Chemical class 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 150000001447 alkali salts Chemical class 0.000 description 1
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- VILAVOFMIJHSJA-UHFFFAOYSA-N dicarbon monoxide Chemical compound [C]=C=O VILAVOFMIJHSJA-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 150000002642 lithium compounds Chemical class 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 150000003681 vanadium Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/50—Use of additives, e.g. for stabilisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
- C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
- C07C51/23—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups
- C07C51/235—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of oxygen-containing groups to carboxyl groups of —CHO groups or primary alcohol groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
- C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
カリウム−2−エチルヘキサノエートの存在下における2−エチルヘキサナールの酸化由来の、カリウムを含有する蒸留残滓を用いて後続の蒸留により、2−エチルヘキサン酸にした。後続の蒸留後の蒸留残滓はガスクロマトグラフィで測定された以下の組成を有していた。
実験7の実験条件を変更して、相分離器(8)中で分離された酸性の水溶液がライン(11’)及び(2’)を介して、未使用の酸をさらに添加することなく、中和プロセスにフィードバックされるようにした。結果を、以下の表2に示す。
以下の実験では、充填カラムの体積を減少させることにより、その負荷を増大させた。床として30cmの充填高さを有する2mmV2A−コイルの、40cm長及び10mm径を有する充填カラムを使用した。
カリウム−2−メチルブタノエートの存在下で、2−メチルブタナールを酸化して2−メチル酪酸を得た際の、カリウムを含有する蒸留残滓を、後続の蒸留を行った。該蒸留残滓は、ガスクロマトグラフィで測定した以下の組成(重量%)を有していた。
実験14の実験条件を変更して、相分離器(8)中で分離された酸性の水溶液がライン(11’)及び(2’)を介して、未使用の酸をさらに添加することなく、中和プロセスにフィードバックされるようにした。結果を、以下の表5に示す。
Claims (16)
- アルカリ金属又はアルカリ土類金属のカルボン酸塩の存在下で、対応するアルデヒドを、酸素又は酸素含有のガス混合物で対応するモノカルボン酸に酸化し、そして下流で蒸留する際の蒸留残滓から4〜11個の炭素原子を有する脂肪族モノカルボン酸を回収する方法であって、
前記蒸留残滓を管状の反応器中で水性の酸と反応させることを特徴とする、上記の方法。 - 前記管状の反応器に、静的混合要素が上流に接続されていることを特徴とする、請求項1に記載の方法。
- 前記管状の反応器が、充填物又は内部装置を含むことを特徴とする、請求項1又は2に記載の方法。
- 前記蒸留残滓が、30〜90℃、好ましくは50〜80℃の温度に加熱されることを特徴とする、請求項1〜3のいずれか一つに記載の方法。
- 前記反応が、30〜90℃、好ましくは50〜80℃の温度で遂行されることを特徴とする、請求項1〜4のいずれか一つに記載の方法。
- 前記水性の酸として、無機酸の水溶液が使用されることを特徴とする、請求項1〜5のいずれか一つに記載の方法。
- 無機酸として、塩酸、硫酸、リン酸又は硝酸が使用されることを特徴とする、請求項6に記載の方法。
- 脂肪族の直鎖状又は分枝鎖状のモノカルボン酸の製造に由来する前記蒸留残滓が使用されることを特徴とする、請求項1〜7のいずれか一つに記載の方法。
- n−酪酸、n−ペンタン酸、n−ヘキサン酸、n−ヘプタン酸、n−オクタン酸、n−ノナン酸及びn−デカン酸の群から選択される脂肪族の直鎖状のモノカルボン酸の製造由来蒸留残滓が使用されることを特徴とする、請求項8に記載の方法。
- 脂肪族のα−アルキル分枝鎖状モノカルボン酸の製造に由来する蒸留残滓が使用されることを特徴とする、請求項8に記載の方法。
- 脂肪族のα−アルキル分枝鎖状モノカルボン酸として、イソ−酪酸、2−エチル酪酸、2−メチル酪酸、2−メチルペンタン酸、2−メチルヘキサン酸、2−エチルヘキサン酸、2−メチルオクタン酸、2−メチルノナン酸、2−プロピルヘプタン酸、2−エチル酪酸、2−メチルペンテン酸、2−エチルヘキセン酸又は2−プロピルヘプテン酸が使用されることを特徴とする、請求項10に記載の方法。
- α−アルキル分枝鎖状でない、脂肪族の分枝鎖状のモノカルボン酸の製造に由来する蒸留残滓が使用されることを特徴とする、請求項8に記載の方法。
- 脂肪族の分枝鎖状のモノカルボン酸として、α−アルキル分岐が存在しない、いずれかの分枝鎖状のイソ−ペンタン酸、いずれかの分枝鎖状のイソ−ヘキサン酸、いずれかの分枝鎖状のイソ−ヘプタン酸、いずれかの分枝鎖状のイソ−オクタン酸、いずれかの分枝鎖状のイソ−ノナン酸、いずれかの分枝鎖状のイソ−デカン酸又はいずれかの分枝鎖状のイソ−ウンデカン酸が使用されることを特徴とする、請求項12に記載の方法。
- いずれかの分枝鎖状のイソ−ペンタン酸として、3−メチル酪酸が使用されることを特徴とする、請求項13に記載の方法。
- いずれかの分枝鎖状のイソ−ノナン酸として、主たる成分の3,5,5−トリメチルヘキサン酸を有するイソ−ノナン酸が使用されることを特徴とする、請求項13に記載の方法。
- カルボン酸カリウム又はカルボン酸ナトリウムを含有する、対応するモノカルボン酸の蒸留残滓を、水性の酸と反応させることを特徴とする、請求項1〜15のいずれか一つに記載の方法。
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CN103709027A (zh) * | 2013-12-06 | 2014-04-09 | 西南化工研究设计院有限公司 | 一种脂肪酸金属盐废液的回收方法 |
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