A process for recovering catalytic metals from fine catalyst slurried in heavy oil comprises pyrolizing fine catalyst slurried in heavy oil to provide one or more lighter oil products and a coke-like material and recovering catalytic metals from the coke-like material.

 
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> Method for manufacturing polycrystalline silicon, and polycrystalline silicon for solar cells manufactured by the method

> Method of operating a catalyst which includes components for storing hydrocarbons
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