JPH0572896B2 - - Google Patents
Info
- Publication number
- JPH0572896B2 JPH0572896B2 JP21303785A JP21303785A JPH0572896B2 JP H0572896 B2 JPH0572896 B2 JP H0572896B2 JP 21303785 A JP21303785 A JP 21303785A JP 21303785 A JP21303785 A JP 21303785A JP H0572896 B2 JPH0572896 B2 JP H0572896B2
- Authority
- JP
- Japan
- Prior art keywords
- isophorone
- distillation
- crude
- acid
- oil layer
- 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.)
- Expired - Lifetime
Links
- HJOVHMDZYOCNQW-UHFFFAOYSA-N isophorone Chemical compound CC1=CC(=O)CC(C)(C)C1 HJOVHMDZYOCNQW-UHFFFAOYSA-N 0.000 claims description 65
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 13
- 239000007788 liquid Substances 0.000 claims description 10
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 150000007524 organic acids Chemical class 0.000 claims description 3
- 238000004821 distillation Methods 0.000 description 14
- 239000010410 layer Substances 0.000 description 11
- LKOKKQDYMZUSCG-UHFFFAOYSA-N 3,5,5-Trimethyl-3-cyclohexen-1-one Chemical compound CC1=CC(C)(C)CC(=O)C1 LKOKKQDYMZUSCG-UHFFFAOYSA-N 0.000 description 10
- 239000003513 alkali Substances 0.000 description 8
- 150000003839 salts Chemical class 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 238000010306 acid treatment Methods 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- 239000002253 acid Substances 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000006386 neutralization reaction Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 238000005882 aldol condensation reaction Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 238000000998 batch distillation Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000007522 mineralic acids Chemical class 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- GEVPUGOOGXGPIO-UHFFFAOYSA-N oxalic acid;dihydrate Chemical compound O.O.OC(=O)C(O)=O GEVPUGOOGXGPIO-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- OZXIZRZFGJZWBF-UHFFFAOYSA-N 1,3,5-trimethyl-2-(2,4,6-trimethylphenoxy)benzene Chemical compound CC1=CC(C)=CC(C)=C1OC1=C(C)C=C(C)C=C1C OZXIZRZFGJZWBF-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
- 229910000831 Steel Inorganic materials 0.000 description 1
- -1 aliphatic dicarboxylic acids Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000001479 atomic absorption spectroscopy Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004817 gas chromatography Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- SHOJXDKTYKFBRD-UHFFFAOYSA-N mesityl oxide Natural products CC(C)=CC(C)=O SHOJXDKTYKFBRD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 238000000066 reactive distillation Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21303785A JPS6272644A (ja) | 1985-09-26 | 1985-09-26 | イソホロンの精製法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21303785A JPS6272644A (ja) | 1985-09-26 | 1985-09-26 | イソホロンの精製法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6272644A JPS6272644A (ja) | 1987-04-03 |
| JPH0572896B2 true JPH0572896B2 (en, 2012) | 1993-10-13 |
Family
ID=16632468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21303785A Granted JPS6272644A (ja) | 1985-09-26 | 1985-09-26 | イソホロンの精製法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6272644A (en, 2012) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5877354A (en) * | 1997-12-03 | 1999-03-02 | Aristech Chemical Corporation | Process for making isophorone with improved color and color stability |
-
1985
- 1985-09-26 JP JP21303785A patent/JPS6272644A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6272644A (ja) | 1987-04-03 |
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