From: Study of the feasibility of a rice husk recycling scheme in Japan to produce silica fertilizer for rice plants
Items
Annual costs (USDa)
Notes
Boiler for hot water
25,000
200,000 USD (8 depreciation yr)− 1
Running cost
12,000
1000 USD month− 1
Maintenance cost
9600
800 USD month−1
Labor cost
35,000
One person
Total
81,600