ABSTRACT
Evolving an economic solution and strategies for a food waste processing plant can be a difficult task vis-á-vis that of a food processing
6.1 Introduction 147 6.2 Estimation of Capital Investment 150
6.2.1 Land 150 6.2.2 Fixed Capital Investment 150 6.2.3 Cost Data 152 6.2.4 Off-Site Capital 153 6.2.5 Allocated Capital 153 6.2.6 Working Capital 153 6.2.7 Start-Up Expenses 154
6.3 Estimation of Operating Expenses 154 6.3.1 Interest Rate 155 6.3.2 Depreciation 156 6.3.3 Profitability 156 6.3.4 Payout Period 157 6.3.5 Net Present Worth 157 6.3.6 Discounted Cash Flow 158
6.4 Process Economics 159 6.5 Break-Even Chart 159 6.6 Case Study 160
6.6.1 Fermentation Method: Solid-State Fermentation 160 6.7 Conclusions 162 References 164 Further Reading 164
plant. On one hand you have the objective of pollution prevention and abatement while on the other you have the judicious exploitation of the wastes to convert into useful or valuable by-products and accomplish their recovery as well. ¢is, therefore, involves meticulous economic analysis covering aspects such as procurement, detailed engineering design, construction, equipment selection, start-up and trial runs, and so on (Peters and Timmerhaus 1991).
