The +525 .degree.C Residue Before and After Hydrocracking with Bimodal Catalysts of Varying Macropore Volume
The +525 .degree.C Residue Before and After Hydrocracking with Bimodal Catalysts of Varying Macropore Volume
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DOI:
10.1021/ef00045a001
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发表时间:
1994-05
期刊:
影响因子:
5.3
通讯作者:
M. Ternan;P. Rahimi;D. Clugston;H. Dettman
中科院分区:
文献类型:
--
作者:
M. Ternan;P. Rahimi;D. Clugston;H. Dettman
The +525 °C residues were examined to identify differences between those residue molecules that were converted to smaller distillate molecules and those that were not. Each +525 °C residue was divided into five subfractions by gel permeation chromatography. Molecular weight distributions, elemental (H, C, S, N, Ni, V, and Fe) distributions, and distributions of carbon atom types were determined. With the exception of 10-20%, most of the unconverted +525 °C molecules in the products were similar to the +525 °C feedstock molecules. The ones that were different appeared to have formed by a combination of dehydrogenation and molecular condensation reactions.