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 COMPOUNDS

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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
Application number
EA200600425A
Other languages
Russian (ru)
Other versions
EA010590B1 (en
EA200600425A3 (en
Inventor
Николай Владимирович ХОДОВ
Андрей Федорович КУИМОВ
Тарас Иванович ДОЛИНСКИЙ
Original Assignee
Закрытое Акционерное Общество «Торговый Дом "Оргхим"»
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Закрытое Акционерное Общество «Торговый Дом "Оргхим"» filed Critical Закрытое Акционерное Общество «Торговый Дом "Оргхим"»
Publication of EA200600425A2 publication Critical patent/EA200600425A2/en
Publication of EA200600425A3 publication Critical patent/EA200600425A3/en
Publication of EA010590B1 publication Critical patent/EA010590B1/en

Links

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  • 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.

EA200600425A 2005-03-14 2006-03-15 Process for selective purification of oil fractions from polycyclic aromatic compounds EA010590B1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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