Question 5 [20 marks) (d) What is the annual cost of operating labor, Col, to operate the Styrene process plant? The current cost for a chemical plant operator is $70,000/yr? [5 marks) (e) Determine the cost of the raw material, CRM [2 marks] ( The Styrene process plant for which a capital cost analysis estimates the fixed capital investment to be $39,000,000, while the material and energy balance provide the cost for utilities ($64,700,000), and the cost of waste treatment ($50,000). [8 marks] (vi) Estimate the cost of manufacture (without depreciation) for the chemical plant. (vii) Estimate the direct manufacture costs. (vii) Estimate the fixed manufacturing cost. (ix) Estimate the general expenses. (*) Determine the fraction of the cost of manufacture that is attributable to direct manufacture costs, fixed manufacturing cost and general expenses. (9) What will be the manufacturing cost (in S/kg) of the Styrene produced? Justify the difference, if any, between the selling price and the manufacturing price? [5 marks) NOTE: All the data for the purchased cost of equipment were obtained from a survey of equipment manufacturers during the period May to September of 2001, so an average value of the CEPCI of 397 over this period should be used when accounting for inflation. Annual operating hours: 8200 hours The current cost for a chemical plant operator is $70,000/year R-401 R-402 E-403 5-404 E-405 V-401 C-401 P-401A/B T-401 -406 -407 P-402A/B V-402 T-402 [-408 E-409 Styrene Styrene Product Product Product Three Compressor Waste Benzene Reboiler Condenser Reflux Reflux Styrene Reboiler Condenser Reactor Reactor Cooler Cooler Cooler Phase Water Toluene Pump Drum Column H-401 E-401 E-402 Separator Pump Column P-40318 P-404NB P-405NB P-406A/B Steam Feed Inter- Reflux Styrene Recycle Benzene/ Heater Heater Heater Pump Pump Pump Toluene Pump hps P.405 NB Hydrogen C-401 Ethylbenzene E-401 5-406 R-401 P-406 A/B Berzene Toluene w H-401 E-402 V-401 T-401 V-402 To Steam Plant P-402 A/B hps E-408 ow T-402 ng air R-402 V-403 E-407 P-403 A/B E-403 bhw hps CW bfw Styrene P-404 A/B IoT E-404 6-409 Tips E-405 P-401 A/B 2 Wastewater