AMMONIATED QUENCHING OF A HYDROPROCESSING REACTION
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United States of America Patent
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app pub date -
Aug 21, 2015
filing date -
Dec 31, 2014
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Abstract
The disclosure provided herein describes processes for rapidly quenching an over-temperature hydroprocessing reaction utilizing a pressurized quenching agent that is rapidly released into the hydroprocessing reactor. Optimally, the quenching agent blocks acidic catalytic sites of the hydroprocessing catalyst to competitively inhibit exothermic reaction rate. Exemplary quench agents include ammonia or a chemical that is converted to ammonia under hydroprocessing conditions.
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