期刊
CATALYSIS TODAY
卷 298, 期 -, 页码 138-144出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2017.05.041
关键词
Oxidative dehydrogenation (ODH); Comparative techno-economic analysis (TEA); Process safety analysis; Comprehensive inherent safety index (CISI)
资金
- U.S. Department of Energy, under DOE Idaho Operations Office [DE-AC07-05ID14517]
Olefins or unsaturated hydrocarbons play a vital role as feedstock for many industrially significant processes. Ethylene is the simplest olefin and a key raw material for consumer products. Oxidative Dehydrogenation (ODH) is one of the most promising new routes for ethylene production that can offer a significant advantage in energy efficiency over the conventional steam pyrolysis process. This study is focused on the ODH chemistry using the mixed metal oxide MoVTeNbOx catalysts, generally referred to as M1 for the key phase known to be active for dehydrogenation. Using performance results from the patent literature a series of process simulations were conducted to evaluate the effect of feed composition on operating costs, profitability and process safety. The key results of this study indicate that the ODH reaction can be made safer and more profitable without use of an inert diluent and furthermore by replacing O-2 with CO2 as an oxidant. Modifications of the M1 catalyst composition in order to adopt these changes are discussed.
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