| 摘要 |
Process for the hydrotreating of a hydrocarbon feedstock, wherein the feedstock is passed through a fixed bed catalyst system of a hydrotreating catalyst comprising a physical mixture of high void catalyst particles and low void catalyst particles, which particles are mixed in different amounts in different layers of the catalyst bed so as to obtain within the fixed bed catalyst system a layered structure with different layers having different mixing ratios of the high and low void particles.
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