solvent refining

См. также в других словарях:

• solvent refining — The process of mixing a petroleum stock with a selected solvent, which preferentially disolves undesired constituents, separating the resulting two layer and recovering the solvent from the raffinate (the purified fraction) and from the extract… …   Petroleum refining glossary

• Refining — (also called affining) is the process of purification of a substance. The term is usually used of a natural resource that is almost in a usable form, but which is more useful in its pure form. For instance, most types of natural petroleum will… …   Wikipedia

• Solvent de-asphalter — A solvent de asphalter is a unit in a crude oil refinery that separates the asphalt from the processing crude oil using the fact that light hydrocarbons will solve the remainder of the crude oil, but not the asphaltens in the crude. The output… …   Wikipedia

• solvent refined — Term for lubricating oils which have been solvent treated during the refining process. Most motor, airplane, diesel engine, and steam turbine oils and other high quality oils are solvent refined …   Petroleum refining glossary

• petroleum refining — Introduction  conversion of crude oil into useful products. History Distillation of kerosene and naphtha       The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… …   Universalium

• Fuels solvent deasphalting —   A refining process for removing asphalt compounds from petroleum fractions, such as reduced crude oil. The recovered stream from this process is used to produce fuel products.   U.S. Dept. of Energy, Energy Information Administration s Energy… …   Energy terms

• Oil refinery — Anacortes Refinery (Tesoro), on the north end of March Point southeast of Anacortes, Washington An oil refinery or petroleum refinery is an industrial process plant where crude oil is processed and refined into more useful petroleum products,… …   Wikipedia

• CARBOCHIMIE ET PÉTROCHIMIE - Carbochimie — La carbochimie est l’industrie de la transformation chimique des houilles et de leurs dérivés. Elle naquit avec l’emploi du coke dans le traitement des minerais de fer et avec la production du gaz d’éclairage à partir du charbon. La distillation… …   Encyclopédie Universelle

• extract oil — In solvent refining, the less desirable portion of the oil under process, which is dissolved in and removed by the selective solvent used …   Petroleum refining glossary

• raffinate — In solvent refining, that portion of the oil which remains undissolved and is not removed by the selective solvent. Also called good oil …   Petroleum refining glossary

• Химическое растворение —         полезных ископаемыx (a. solvent refining of minerals, chemical dissolution of minerals; н. chemische Losung der Mineralien; ф. dissolution chimique des mineraux utiles; и. disolucion quimico de minerales) первичная гидрохим. либо… …   Геологическая энциклопедия