acid refining

кислотная рафинация

Англо-русский словарь по пищевой промышленности. 2013.

Смотреть что такое "acid refining" в других словарях:

  • acid sites — Locations on a solid that have acidic properties, as shown by their ability to react with a base such as ammonia or pyridine. Acid sites are found on many solid oxides and are active for catalyzing reactions …   Petroleum refining glossary

  • acid treating — Process in which unfinished petroleum products, such as gasoline, naphthas, kerosine, diesel fuel, and lubricating oil stocks, are contacted with sulfuric acid to improced their color, odor, and other properties …   Petroleum refining glossary

  • Acid-free paper — is paper that has a neutral or basic pH (7 or slightly greater). It addresses the problem of preserving documents for long periods. Overview Paper made from wood based pulp that has not had its lignin removed goes yellow and deteriorates over… …   Wikipedia

  • acid rain — precipitation, as rain, snow, or sleet, containing relatively high concentrations of acid forming chemicals, as the pollutants from coal smoke, chemical manufacturing, and smelting, that have been released into the atmosphere and combined with… …   Universalium

  • acid heat test — noun : a test used in petroleum refining for indicating the amount of unsaturated hydrocarbons in gasoline and performed by noting the increase in temperature caused by adding one volume of 93 percent sulfuric acid to five volumes of gasoline in… …   Useful english dictionary

  • Brønsted acid site — An acid site on a catalyst where the acidic entity is an ionizable hydrogen. Familiar mineral acids such as sulfuric are also acids of this type, named for the physical chemist J. N. Brønsted. See also: Lewis acid site …   Petroleum refining glossary

  • Bronsted acid site — An acid site on a catalyst where the acidic entity is an ionizable hydrogen. Familiar mineral acids such as sulfuric are also acids of this type, named for the physical chemist J. N. Brønsted. See also: Lewis acid site …   Petroleum refining glossary

  • Lewis acid site — An acid site on a catalyst where the acidic entity is a positive ion (called a cation) such as Al3+ rather than an ionizable hydrogen. Named for the famed physical chemist G. N. Lewis. See: Brønsted acid site …   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

  • Naphthenic acid — Example of a naphthenic acid Naphthenic acid (CAS: 1338 24 5 ) is the name for an unspecific mixture of several cyclopentyl and cyclohexyl carboxylic acids with molecular weight of 120 to well over 700 atomic mass units. The …   Wikipedia

  • sulfuric acid — Chem. a clear, colorless to brownish, dense, oily, corrosive, water miscible liquid, H2SO4, usually produced from sulfur dioxide: used chiefly in the manufacture of fertilizers, chemicals, explosives, and dyestuffs and in petroleum refining. Also …   Universalium

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