DE2855520C2 - Verfahren zum Entparaffinieren von paraffinhaltigem Öl - Google Patents
Verfahren zum Entparaffinieren von paraffinhaltigem ÖlInfo
- Publication number
- DE2855520C2 DE2855520C2 DE2855520A DE2855520A DE2855520C2 DE 2855520 C2 DE2855520 C2 DE 2855520C2 DE 2855520 A DE2855520 A DE 2855520A DE 2855520 A DE2855520 A DE 2855520A DE 2855520 C2 DE2855520 C2 DE 2855520C2
- Authority
- DE
- Germany
- Prior art keywords
- solvent
- oil
- wax
- dewaxing
- slurry
- 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
- 238000000034 method Methods 0.000 title claims description 21
- 239000010690 paraffinic oil Substances 0.000 title description 2
- 239000002904 solvent Substances 0.000 claims description 63
- 239000003921 oil Substances 0.000 claims description 59
- 239000001993 wax Substances 0.000 claims description 53
- 239000002002 slurry Substances 0.000 claims description 45
- 239000000203 mixture Substances 0.000 claims description 27
- 238000002425 crystallisation Methods 0.000 claims description 19
- 230000008025 crystallization Effects 0.000 claims description 19
- 239000012188 paraffin wax Substances 0.000 claims description 17
- 239000013078 crystal Substances 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000010802 sludge Substances 0.000 claims description 2
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 30
- 238000001914 filtration Methods 0.000 description 15
- 235000019809 paraffin wax Nutrition 0.000 description 13
- 235000019271 petrolatum Nutrition 0.000 description 13
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 12
- 239000004744 fabric Substances 0.000 description 10
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 9
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 description 7
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 description 7
- 238000009835 boiling Methods 0.000 description 5
- 239000000706 filtrate Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004821 distillation Methods 0.000 description 4
- 239000003208 petroleum Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- -1 aliphatic ketones Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 238000004517 catalytic hydrocracking Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
- C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
- C10G73/06—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of solvents
- C10G73/08—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Fats And Perfumes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/864,212 US4169039A (en) | 1977-12-27 | 1977-12-27 | Recovering useful oil from wax filter hot washings and dumped slurry |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2855520A1 DE2855520A1 (de) | 1979-07-05 |
| DE2855520C2 true DE2855520C2 (de) | 1987-05-14 |
Family
ID=25342759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2855520A Expired DE2855520C2 (de) | 1977-12-27 | 1978-12-22 | Verfahren zum Entparaffinieren von paraffinhaltigem Öl |
Country Status (9)
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4461697A (en) * | 1982-09-22 | 1984-07-24 | Exxon Research And Engineering Co. | Slack wax de-oiling process |
| US8394256B2 (en) * | 2009-10-13 | 2013-03-12 | Exxonmobil Research And Engineering Company | Method for haze mitigation and filterability improvement for base stocks |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2168141A (en) * | 1938-05-19 | 1939-08-01 | Schutte August Henry | Method for separating wax |
| US3171798A (en) * | 1960-11-29 | 1965-03-02 | Texaco Inc | Dewaxing of mineral oils |
| CA944300A (en) * | 1970-05-11 | 1974-03-26 | Esso Research And Engineering Company | Combination of dilution chilling with scraped surface chilling in dewaxing lubricating oils |
| US3764517A (en) * | 1970-12-21 | 1973-10-09 | Texaco Inc | Solvent dewaxing process |
| US3773650A (en) * | 1971-03-31 | 1973-11-20 | Exxon Co | Dewaxing process |
| US3720599A (en) * | 1971-05-03 | 1973-03-13 | Exxon Research Engineering Co | Continuous dewaxing of oils by in situ refrigeration |
| US3775288A (en) * | 1972-05-26 | 1973-11-27 | Exxon Research Engineering Co | Combination of dilution chilling with scraped surface chilling in dewaxing lubricating oils |
| US3871991A (en) * | 1973-06-22 | 1975-03-18 | Exxon Research Engineering Co | Temporarily immiscible dewaxing |
-
1977
- 1977-12-27 US US05/864,212 patent/US4169039A/en not_active Expired - Lifetime
-
1978
- 1978-10-30 CA CA314,940A patent/CA1112201A/en not_active Expired
- 1978-12-15 MX MX787610U patent/MX4082E/es unknown
- 1978-12-22 DE DE2855520A patent/DE2855520C2/de not_active Expired
- 1978-12-22 GB GB7849774A patent/GB2010900B/en not_active Expired
- 1978-12-25 JP JP15874278A patent/JPS54129006A/ja active Granted
- 1978-12-26 FR FR7836337A patent/FR2413463A1/fr active Granted
- 1978-12-27 IT IT31324/78A patent/IT1101600B/it active
- 1978-12-27 NL NL7812586A patent/NL7812586A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6330358B2 (US20030220297A1-20031127-C00074.png) | 1988-06-17 |
| US4169039A (en) | 1979-09-25 |
| IT1101600B (it) | 1985-10-07 |
| MX4082E (es) | 1981-12-04 |
| FR2413463A1 (fr) | 1979-07-27 |
| IT7831324A0 (it) | 1978-12-27 |
| GB2010900A (en) | 1979-07-04 |
| JPS54129006A (en) | 1979-10-06 |
| NL7812586A (nl) | 1979-06-29 |
| GB2010900B (en) | 1982-04-28 |
| DE2855520A1 (de) | 1979-07-05 |
| FR2413463B1 (US20030220297A1-20031127-C00074.png) | 1984-02-10 |
| CA1112201A (en) | 1981-11-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8328 | Change in the person/name/address of the agent |
Free format text: STOLBERG-WERNIGERODE, GRAF ZU, U., DIPL.-CHEM. DR.RER.NAT. SUCHANTKE, J., DIPL.-ING., PAT.-ANWAELTE, 2000 HAMBURG |
|
| 8339 | Ceased/non-payment of the annual fee |