Question: In a particular drying operation, it is required to have the moisture content of feed to a calciner at 15% by weight in order to

In a particular drying operation, it is required to have the

In a particular drying operation, it is required to have the moisture content of feed to a calciner at 15% by weight in order to prevent lumping and sticking. This is achieved by mixing the feed having 30% by weight moisture with a recycle stream of dried material having 3% by weight moisture. The drying operation is shown in figure. Find the fraction of the dried product that must be recycled. [10]

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