INTRODUCTION
The objective of the Hydrotreating prococess is to remove suplur as well as other unwanted compunds, e.g. unsaturated hydrocarbons, nitrogen from refinery process streams. Until the end of World War 2, there was little incentive for the oil industry to pay significant attention to improving product quality by hydrogen treatment. However, soon after the war the production of high
Tuesday, June 10, 2008
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