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Table 4 Cost savings from reducing kerosene consumption in Route 1

From: Study of the feasibility of a rice husk recycling scheme in Japan to produce silica fertilizer for rice plants

Processes Cost saved (USD) Notes
For rice drying 61,875 = 25 L h− 1·12.5 h d− 1·220 d yr− 1·$0.9 L− 1 25 L h− 1: kerosene consumption
12.5 h d− 1: dairy operation hours
220 d yr− 1: yearly operation day
0.9 USD L− 1: kerosene price
For greenhouses 32,076 = 11 L m− 2 yr− 1·3240 m2 ·0.9 L− 1 Heating period: November–March
11 L m− 2 yr− 1: kerosene consumption
3240 m2: 12 greenhouses (270 m2 house− 1)
0.90 USD L− 1: kerosene price