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AM-93-67 THE CATnapTM CATALYST PASSIVATION PROCESS AN ALTERNATIVE TO INERT ENTRY
J. Gary Welch, CRl International, William C. Taylor, Catalyst Technology, USA, K. Kawakami,Softard Industries Co., Ltd.
Format:
Electronic (digital download/no shipping)
Associate Member, International Member, Petrochemical Member, Refining Member -
$0.00
Government, NonMember -
$35.00
Description:
Since the introduction of hydrotreating and hydrocracking operations in petroleum processing, refiners have been faced with the problem of how to remove the catalyst from the reactor vessels. The spent catalysts contain the catalytically active metals (typically a combination of nickel, cobalt, molybdenum and tungsten) in a highly reactive sulfided state. The problem is compounded by the added presence of pyrophoric iron sulfide and coke or carbon deposits. When these materials are exposed to air they react with oxygen and often spontaneously ignite. This not only creates a fire hazard, but can also release highly toxic sulfur dioxide.
Product Details:
Product ID: | AM-93-67 |
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Publication Year: | 1993 |