JPH0331693B2 - - Google Patents
Info
- Publication number
- JPH0331693B2 JPH0331693B2 JP29595185A JP29595185A JPH0331693B2 JP H0331693 B2 JPH0331693 B2 JP H0331693B2 JP 29595185 A JP29595185 A JP 29595185A JP 29595185 A JP29595185 A JP 29595185A JP H0331693 B2 JPH0331693 B2 JP H0331693B2
- Authority
- JP
- Japan
- Prior art keywords
- naphthalene
- distillation
- diethanolamine
- benzothiophene
- crude
- 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
Links
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 82
- 238000000034 method Methods 0.000 claims description 26
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 claims description 15
- 238000009835 boiling Methods 0.000 claims description 6
- 238000000895 extractive distillation Methods 0.000 claims description 3
- FCEHBMOGCRZNNI-UHFFFAOYSA-N 1-benzothiophene Chemical compound C1=CC=C2SC=CC2=C1 FCEHBMOGCRZNNI-UHFFFAOYSA-N 0.000 description 26
- 238000004821 distillation Methods 0.000 description 21
- 238000010992 reflux Methods 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 150000003464 sulfur compounds Chemical class 0.000 description 4
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 238000001640 fractional crystallisation Methods 0.000 description 3
- 238000005984 hydrogenation reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- QERFBOIKZHJXKN-UHFFFAOYSA-N C1=CC=C2SC=CC2=C1.C1=CC=CC2=CC=CC=C21 Chemical compound C1=CC=C2SC=CC2=C1.C1=CC=CC2=CC=CC=C21 QERFBOIKZHJXKN-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001944 continuous distillation Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000077 insect repellent Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 150000002790 naphthalenes Chemical class 0.000 description 1
- 150000002898 organic sulfur compounds Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29595185A JPS62149633A (ja) | 1985-12-25 | 1985-12-25 | ナフタレンの精製方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29595185A JPS62149633A (ja) | 1985-12-25 | 1985-12-25 | ナフタレンの精製方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62149633A JPS62149633A (ja) | 1987-07-03 |
| JPH0331693B2 true JPH0331693B2 (enrdf_load_stackoverflow) | 1991-05-08 |
Family
ID=17827210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29595185A Granted JPS62149633A (ja) | 1985-12-25 | 1985-12-25 | ナフタレンの精製方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62149633A (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4566302B2 (ja) * | 1999-07-15 | 2010-10-20 | 新日鐵化学株式会社 | ベンゾチオフェンの製造方法 |
-
1985
- 1985-12-25 JP JP29595185A patent/JPS62149633A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62149633A (ja) | 1987-07-03 |
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