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activity restoration process for a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process
activity restoration process for a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process
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机译:废加氢处理催化剂的活性恢复方法,具有恢复的催化活性的废加氢处理催化剂和加氢处理方法
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摘要
activity restoration process for a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process. a spent regenerated hydroprocessing catalyst treated with a chelating agent and incorporating a polar additive therein.
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