کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
74094 49080 2012 12 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
A methanol to olefins review: Diffusion, coke formation and deactivation on SAPO type catalysts
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی کاتالیزور
پیش نمایش صفحه اول مقاله
A methanol to olefins review: Diffusion, coke formation and deactivation on SAPO type catalysts
چکیده انگلیسی

The catalytic conversion of methanol to lower olefins (MTO) is a promising way of converting natural gas and coal to chemicals and fuels with methanol as an intermediate. Coke formation is a major cause of deactivation in the MTO processes and the present contribution deals with the progress on the study of adsorption, diffusion and reaction including deactivation due to coke formation during MTO. Design of SAPO-34 to achieve high activity and selectivity is discussed in terms of the two most important parameters, namely crystal size and operating temperatures.

.Figure optionsDownload as PowerPoint slideHighlights
► SAPO-34 is still the most promising industrial catalyst for MTO.
► Crystal size is the most important parameter for catalyst design.
► Small sized SAPO-34 is required to avoid diffusion limitations for achieving low coke selectivity.
► Coke deposition has profound effects on product selectivity.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Microporous and Mesoporous Materials - Volume 164, 1 December 2012, Pages 239–250
نویسندگان
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