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A wet copper concentrate initially at 35 C consists of chalcopyrite with wH20 = 0.095. It is to be dried in a fluidized bed reactor

A wet copper concentrate initially at 35 C consists of chalcopyrite with wH20 = 0.095. It is to be dried in a fluidized bed reactor by superheated steam entering at 240 C and 20 bar. The discharge temperature of the dry chalcopyrite and steam is 115 C and 1 bar. Calculate the mass of steam required per kg of moist chalcopyrite.

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