Table 3.
Type of cost | Details |
---|---|
Capital cost |
- Capital cost mainly depends on production capacity - The cost includes the required land area, building construction, equipment and instrumentation required for the plant |
Operating cost |
- The operating cost includes utilities, lab services, factory expenses, transportation cost, supervision, administration, labour cost, all other materials and energy flows except the feedstocks - Also includes the cost associated with wastewater treatment and sludge waste processing |
Maintenance cost | - The cost associated with maintaining and servicing the plant |
Feedstock cost | - The cost of the feedstocks is the main component of the overall costs |
Salvage value | - The remaining value of the components and assets of the plant at the end of the project lifetime |
By-product credit | - The revenues earned from all the products other than the primary product; e.g. glycerol is a useful by-product generated during biodiesel reaction |