A manufacturer of beef sticks produces a wastewater flow of 2000 m/day containing 120,000 mg/L salt. It is discharging into a river with a flow of 34,000m'/day and a salt concentration of 50 mg/L. The regulatory agency has told the company to maintain a salt level of no greater than 250 mg/L downstream of the discharge a. What recovery of salt must be accomplished in the plant before the waste is discharged? b. What could they do with the recovered salt? Suggest alternatives.