| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for effectively utilizing feces and urine of pigs as fuel for a boiler.SOLUTION: A method for utilizing feces and urine of pigs comprises selecting a composting process of feces and urine of pigs, and using the compost composted via the selected composting process as fuel for a boiler. The composting process may include a solid-liquid separation process of the feces and urine of pigs. The composting process may include a fermentation process in a hermetically sealed vertical composting device in a latter part of the solid-liquid separation process of the feces and urine of pigs. The selected compost has a moisture content of 40% or less, chlorine concentration of 3,500 ppm or less and a gross calorific value of 2,500 kcal/kg or greater. |
