JPH0141364B2 - - Google Patents
Info
- Publication number
- JPH0141364B2 JPH0141364B2 JP1322782A JP1322782A JPH0141364B2 JP H0141364 B2 JPH0141364 B2 JP H0141364B2 JP 1322782 A JP1322782 A JP 1322782A JP 1322782 A JP1322782 A JP 1322782A JP H0141364 B2 JPH0141364 B2 JP H0141364B2
- Authority
- JP
- Japan
- Prior art keywords
- cleaning
- reboiler
- oil
- base oil
- tar
- 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
- 238000004140 cleaning Methods 0.000 claims description 27
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims description 24
- 238000004821 distillation Methods 0.000 claims description 24
- 239000002199 base oil Substances 0.000 claims description 23
- 239000003921 oil Substances 0.000 claims description 23
- 150000007530 organic bases Chemical class 0.000 claims description 15
- 239000012459 cleaning agent Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 9
- 239000011269 tar Substances 0.000 claims description 9
- LGRFSURHDFAFJT-UHFFFAOYSA-N Phthalic anhydride Natural products C1=CC=C2C(=O)OC(=O)C2=C1 LGRFSURHDFAFJT-UHFFFAOYSA-N 0.000 claims description 5
- JHIWVOJDXOSYLW-UHFFFAOYSA-N butyl 2,2-difluorocyclopropane-1-carboxylate Chemical compound CCCCOC(=O)C1CC1(F)F JHIWVOJDXOSYLW-UHFFFAOYSA-N 0.000 claims description 5
- 239000011280 coal tar Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002641 tar oil Substances 0.000 claims description 3
- 150000004945 aromatic hydrocarbons Chemical class 0.000 claims description 2
- 150000001735 carboxylic acids Chemical class 0.000 claims description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- AWJUIBRHMBBTKR-UHFFFAOYSA-N isoquinoline Chemical compound C1=NC=CC2=CC=CC=C21 AWJUIBRHMBBTKR-UHFFFAOYSA-N 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- -1 nitrogen-containing heterocyclic compounds Chemical class 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical group CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- SMUQFGGVLNAIOZ-UHFFFAOYSA-N quinaldine Chemical compound C1=CC=CC2=NC(C)=CC=C21 SMUQFGGVLNAIOZ-UHFFFAOYSA-N 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 description 1
- 229930192627 Naphthoquinone Natural products 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000011335 coal coke Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 229940078552 o-xylene Drugs 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Cleaning By Liquid Or Steam (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1322782A JPS58131104A (ja) | 1982-02-01 | 1982-02-01 | 蒸留装置のリボイラ−の洗浄方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1322782A JPS58131104A (ja) | 1982-02-01 | 1982-02-01 | 蒸留装置のリボイラ−の洗浄方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58131104A JPS58131104A (ja) | 1983-08-04 |
| JPH0141364B2 true JPH0141364B2 (enExample) | 1989-09-05 |
Family
ID=11827288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1322782A Granted JPS58131104A (ja) | 1982-02-01 | 1982-02-01 | 蒸留装置のリボイラ−の洗浄方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58131104A (enExample) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5841826A (en) * | 1995-08-29 | 1998-11-24 | Westinghouse Electric Corporation | Method of using a chemical solution to dislodge and dislocate scale, sludge and other deposits from nuclear steam generators |
| NO312506B1 (no) | 2000-02-08 | 2002-05-21 | Norske Stats Oljeselskap | Fremgangsmåte og vannrenseanlegg for ekstraksjon av fett eller oljelöselige komponenter fra vann i en brönnström |
-
1982
- 1982-02-01 JP JP1322782A patent/JPS58131104A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58131104A (ja) | 1983-08-04 |
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