Chemical Process Economics

absorption amount annual approximation assumed boilers calculation capital investment carbon steel Chapter chemical companies Chemical Engineering chemical industry chemical plant chemical reactor compressor computed condenser constant cooling water cost estimate depreciation diameter discussed distillation column Dow Chemical Company dryer economic balance ethanol ethylbenzene ethylene evaluation Example factor feed fixed charges fraction gross heat exchanger heat transfer income increase incremental installed cost interest rate involved labor lb/hr lb/yr liquid manufacturing cost maximum ment method obtained p-xylene payout pipe present worth pressure drop problem production rate pump rate of return raw materials reaction reactor reboiler recovered recovery reflux ratio result return rate sales price salvage value solution solvent sq ft straight-line stream styrene Table temperature term theoretical plates tion total cost trays tube unit vapor variables velocity venture profit venture worth vessel