Wednesday, 15 January 2014

the principal types of catalyst used in the H.D.S service are.

      For Refining Process....

1. Cobalt (molybdenum on alumina support).
    This is general catalyst for H.D.S service.

2. Nickel (molybdenum on alumina support).
    This is used especially for de-nitrification .

3. Cobalt (molybdenum and other metals on neutral support).
    The neutral support prevents the polymerization of the olefins. this catalyst is employed in conjunction with other catalysts for olefinic feeds.

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