| 摘要 |
A hydroprocessing process for removing impurities from a feed (30) comprising a hydrocarbonaceous liquid comprises at least one cocurrent, upflow hydroprocessing reaction stage (18), a vapor-liquid contacting stage (20) and a downflow hydroprocessing reaction stage (12). The feed and hydrogen react in the upflow stage (18) to produce a partially hydroprocessed liquid and vapor effluent. The vapor contacts a hydrocarbonaceous liquid in the contacting stage (20), which transfers impurities from the vapor into the liquid. The impurities-enriched contacting liquid mixes with the upflow stage liquid effluent and the combined liquid effluents react with hydrogen in the downflow reaction stage, to form a hydroprocessed product liquid and vapor effluent. Additional product liquid is recovered by cooling and condensing either or both the contacting and downflow stage vapor effluents.
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