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2016-04-26View Original

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Os catalisadores de hidrogenação de óleos podem sofrer desulfuração reversa devido à baixa concentração de enxofre no óleo bruto? Refere-se a catalisadores do tipo Ni-W-Mo que foram pré-enxofreados.
Reply #22016-04-27
Isso acontece porque, antes do início da operação, o catalisador é pré-sulfurado, ou seja, já contém enxofre. Se o teor de enxofre no material a ser processado for baixo,, de acordo com os princípios da equilíbrio químico, parte do enxofre presente no catalisador será reduzida.

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