EA200600425A2 - METHOD OF SELECTIVE OIL CLEANING OF OIL FRACTIONS OF OIL FROM POLYCYCLIC AROMATIC COMPOUNDS - Google Patents
METHOD OF SELECTIVE OIL CLEANING OF OIL FRACTIONS OF OIL FROM POLYCYCLIC AROMATIC COMPOUNDSInfo
- Publication number
- EA200600425A2 EA200600425A2 EA200600425A EA200600425A EA200600425A2 EA 200600425 A2 EA200600425 A2 EA 200600425A2 EA 200600425 A EA200600425 A EA 200600425A EA 200600425 A EA200600425 A EA 200600425A EA 200600425 A2 EA200600425 A2 EA 200600425A2
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- oil
- polycyclic aromatic
- selective
- solvent
- aromatic compounds
- Prior art date
Links
Landscapes
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
Изобретение относится к химической либо нефтеперерабатывающей промышленности и может найти применение при очистке нефтяных масляных фракций нефти от полициклических ароматических углеводородов, ухудшающих качество масел. Решаемая задача - снижение содержания полициклических ароматических углеводородов без применения поверхностно-активных веществ, усложняющих и удорожающих процесс очистки, ведение процесса при пониженной температуре и сокращение потерь растворителя. В предлагаемом способе селективной очистки масляных фракций нефти от полициклических ароматических соединений путем ступенчатой жидкостной экстракции избирательным растворителем сырье предварительно смешивают с низкокипящим углеводородным растворителем, в качестве избирательного растворителя используют диметилсульфоксид и очистку проводят при температуре 40-55°С.The invention relates to the chemical or petrochemical industry and can be used in the purification of petroleum oil fractions of oil from polycyclic aromatic hydrocarbons, deteriorating the quality of oils. The task is to reduce the content of polycyclic aromatic hydrocarbons without the use of surfactants, which complicate and increase the cost of the cleaning process, conduct the process at a low temperature and reduce solvent losses. In the proposed method of selective purification of oil fractions of oil from polycyclic aromatic compounds by stepwise solvent extraction with a selective solvent, the raw material is pre-mixed with a low-boiling hydrocarbon solvent, dimethyl sulfoxide is used as a selective solvent and is carried out at a temperature of 40-55 ° C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2005107145/04A RU2279466C1 (en) | 2005-03-14 | 2005-03-14 | Method of selectively purifying lubricating oil fraction for removing polycyclic aromatics |
Publications (3)
Publication Number | Publication Date |
---|---|
EA200600425A2 true EA200600425A2 (en) | 2007-06-29 |
EA200600425A3 EA200600425A3 (en) | 2007-08-31 |
EA010590B1 EA010590B1 (en) | 2008-10-30 |
Family
ID=36830695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EA200600425A EA010590B1 (en) | 2005-03-14 | 2006-03-15 | Process for selective purification of oil fractions from polycyclic aromatic compounds |
Country Status (3)
Country | Link |
---|---|
EA (1) | EA010590B1 (en) |
RU (1) | RU2279466C1 (en) |
UA (1) | UA79400C2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014058333A1 (en) * | 2012-10-09 | 2014-04-17 | Закрытое акционерное общество "Торговый дом "Оргхим" | Method for producing non-carcinogenic aromatic process oil |
RU2713156C1 (en) | 2019-11-07 | 2020-02-04 | Акционерное общество "Управляющая компания "Биохимического холдинга "Оргхим" | Method for obtaining low-viscous high-aromatic non-carcinogenic process oil |
LU500856B1 (en) | 2021-11-15 | 2023-05-15 | Bio Chemical Luxembourg Holding S A | Masterbatch of silica and one or more process oils to produce rubber formulation for tires |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493765A (en) * | 1983-06-06 | 1985-01-15 | Exxon Research And Engineering Co. | Selective separation of heavy oil using a mixture of polar and nonpolar solvents |
DE3930422A1 (en) * | 1989-09-12 | 1991-03-21 | Bp Oiltech Gmbh | METHOD FOR PRODUCING PROCESS OILS WITH A LOW CONTENT OF POLYCYCLIC AROMATES |
US5234597A (en) * | 1990-11-05 | 1993-08-10 | Exxon Research & Engineering Company | Solvent extraction process involving membrane separation of extract phase and/or intermediate zone phase with pseudo extract/pseudo raffinate recycle, preferably employing interfacially polymerized membranes |
-
2005
- 2005-03-14 RU RU2005107145/04A patent/RU2279466C1/en active
-
2006
- 2006-03-13 UA UAA200602702A patent/UA79400C2/en unknown
- 2006-03-15 EA EA200600425A patent/EA010590B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
EA010590B1 (en) | 2008-10-30 |
RU2279466C1 (en) | 2006-07-10 |
EA200600425A3 (en) | 2007-08-31 |
UA79400C2 (en) | 2007-06-11 |
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