期刊
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
卷 59, 期 5, 页码 1746-1752出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.iecr.9b05576
关键词
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Refinery off-gas often contains important amounts of ethylene and nowadays is burned as fuel gas. A simple way to valorize this wasted ethylene is to convert it into more easily transportable liquid products, like oligomers C4+. This is the study focusing on the oligomerization of diluted ethylene, conducted at moderate pressure and temperature. The first objective was to provide new efficient heterogeneous catalysts and a process able to convert diluted ethylene into heavier olefins. Thus, two catalysts, Ni-AlSiO2 and NiAlSBA-15, were prepared, characterized, and evaluated in the oligomerization process at 250 degrees C and 15 bar. The second aim was to evaluate the effect/role on the catalysts of some potential contaminants, such as H2O, CO, and H-2, which are usually present in the refinery off-gas.
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