| 摘要 |
A process for hydroprocessing liquid petroleum and chemical streams in a single reaction vessel (100) containing two or more hydroprocessing reaction stages (110a, 110b, 110c). The liquid product from the first stage (110a) is stripped of H2S, NH3 and other gases, then sent to the next downstream reaction zone (110b). The product from the downstream reaction zone (110b) is also stripped of dissolved gases and sent to the next downstream reaction stage (110c) until the last reaction stage (110c), the liquid product of which is stripped of dissolved gases and collected or passed on for further processing. The flow of treat gas is in a direction opposite the direction in which the reaction stages (110a, 110b, 110c) are staged for the flow of liquid.
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