کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
210417 461710 2012 8 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Effect of space velocity on the hydrocracking of Light Cycle Oil over a Pt–Pd/HY zeolite catalyst
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
پیش نمایش صفحه اول مقاله
Effect of space velocity on the hydrocracking of Light Cycle Oil over a Pt–Pd/HY zeolite catalyst
چکیده انگلیسی

The effect of space velocity (WHSV) has been studied in the single-step hydrocracking of the LCO (Light Cycle Oil) obtained as byproduct in catalytic cracking (FCC) units, over a bifunctional catalyst of Pt–Pd supported on a high acidity HY zeolite. Accordingly, the hydrocracking and hydrodesulphurization conversions and yields of product fractions (medium distillates, naphtha, LPG and dry gas) have been determined. The reaction conditions have been 350 °C, 45 bar, H2/LCO molar ratio of 10. The catalyst reaches a pseudoestable state subsequent to a rapid initial deactivation and maintains a significant activity in this state for the production of medium distillates and naphtha. Studies have been carried on the composition of these streams and their interest for adding to the pools of diesel and gasoline. The results are encouraging for the upgrading of LCO by its hydrocracking over noble metal catalysts, given that they are of high activity.

Figure optionsDownload as PowerPoint slideHighlights
► Pt–Pd catalyst, supported on a very acid HY zeolite is active and stable in the LCO hydrocracking.
► The space velocity is a key factor controlling the selectivity of middle distillates and naphtha.
► To achieve a remarkable diminution of aromatic content of the reaction products a space velocity lower than 1 h− 1 is required.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel Processing Technology - Volume 95, March 2012, Pages 8–15
نویسندگان
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