A waste treatment plant operating under steady state conditions a waste liquor containing 500 parts per million (ppm )of a noxious impurity . The impurity is removed with practically no loss of the carrier fluid . The treating process can remove the impurity down to a level of 10 ppm . By local ordinance , a maximum of 100 ppm is allowed in the discharge of the processed effluent to a nearby river . What fraction of the waste liquor must be sent through the waste treatment unit, and what fraction may be bypassed?

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Basis 1 million 10 6 gm of water waste water It contains 500 gm imp... View the full answer