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Table 2 Cost of the boiler in Route 1

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  
  1. a1 USD = 100 yen