Item | Costs |
1. Unit cost (material cost, fabrication and labor) | RM 3000 or RM 300 annuitized for 10 years |
2. Centrifugal blower | RM 1130 or RM 113 annuitized for 10 years |
3. Labor and operation costs | RM 10,800/yr/labor |
4. Fan controller | RM 405 or RM 40.5 annuitized for 10 years |
5. Annual depreciation | RM 458 |
6. Miscellaneous and maintenance | RM 300 |
7. Annual price of raw RH and transportation | 66.434 tones = RM 8769.3 - 10961.6 (cost of RH/year) (But can also be considered free from farmers) |
8. Annual electricity charges | RM 110 |
9. Char produced per year per unit | approximately 19 tons |
10. Cost of biochar (RM/MT) produced with UBRHG | RM1100 - 1214.9/ton or $333.3 - 368.2 /ton |
11. Costs of RHC from UBRHG when RH is for free | RM 686/ton or $ 207.9 /ton |
12. Annual sales out of char from UBRHG | RM 20900 - 23085 |
13. Compare it to the market price | Good agreement with Meyer et al. (2011) with a pricing of RM 1100/ton |
14. ROR on RH free basis | 72.4% - 90.4% |
15. ROR when RH is NOT for free | 0.044% - 10.5% |