Carry out the analysis of degrees of freedom and make a table of flows and compositions for each exercise

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4.33. A stream containing 5.15 wt% chromium, Cr, is contained in the wastewater from a metal finishing plant. The wastewater stream is fed to a treatment unit that removes 95% of the chromium in the feed and recycles it to the plant. The residual liquid stream leaving the treatment unit is sent to a waste lagoon. The treatment unit has a maximum capacity of 4500 kg wastewater/h. If wastewater leaves the finishing plant ata rate higher than the capacity of the treatment unit, the excess (anything above 4500 kg/h) bypasses the unit and combines with the residual liquid leaving the unit, and the combined stream goes to the waste lagoon. ma(kg Cr/h) [no water] 95% of Cr in feed to unit Wastewater m(kg/h) 0.0515 kg Cr/kg m2(kg/h) s 4500 kg/h mg(kg/h) mg(kg/h) m3(kg/h) To waste lagoon (a) Without assuming a basis of calculation, draw and label a flowchart of the (b) Wastewater leaves the finishing plant at a rate m1 to the waste lagoon, m6(kg/h), and the mass fraction of Cr in this liquid, x6 (kg Cr/kg). process. = 6000 kg/h. Calculate the flow rate of liquid 4.33. A stream containing 5.15 wt% chromium, Cr, is contained in the wastewater from a metal finishing plant. The wastewater stream is fed to a treatment unit that removes 95% of the chromium in the feed and recycles it to the plant. The residual liquid stream leaving the treatment unit is sent to a waste lagoon. The treatment unit has a maximum capacity of 4500 kg wastewater/h. If wastewater leaves the finishing plant ata rate higher than the capacity of the treatment unit, the excess (anything above 4500 kg/h) bypasses the unit and combines with the residual liquid leaving the unit, and the combined stream goes to the waste lagoon. ma(kg Cr/h) [no water] 95% of Cr in feed to unit Wastewater m(kg/h) 0.0515 kg Cr/kg m2(kg/h) s 4500 kg/h mg(kg/h) mg(kg/h) m3(kg/h) To waste lagoon (a) Without assuming a basis of calculation, draw and label a flowchart of the (b) Wastewater leaves the finishing plant at a rate m1 to the waste lagoon, m6(kg/h), and the mass fraction of Cr in this liquid, x6 (kg Cr/kg). process. = 6000 kg/h. Calculate the flow rate of liquid

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