منابع مشابه
Production of Mesophase Pitch from Coal Tar and Petroleum Pitches using Supercritical Fluid Extraction
Supercritical fluid extraction (SFE) is currently being investigated as a possible technique in the production of high quality mesophase pitch from coal tar and petroleum pitches. Mesophase pitch is used to make high technology products, such as carbon fibre. The conventional production of mesophase pitch initially involves the removal of low molecular weight species from coal tar and petroleum...
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ژورنال
عنوان ژورنال: Natural Science
سال: 2014
ISSN: 2150-4091,2150-4105
DOI: 10.4236/ns.2014.610078