우분의 고형 연료화를 위한 특성 분석
Characteristics of Solid Fuel from Cattle Manure
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초록
Cattle manure solids might have used in heating agricultural facilities. This study focused on the possibilities of usingcattle manure as a solid fuel instead of composting it. The moisture content, ash content, volatile content, calorific value, TGA(thermogravimetric analysis) data, and elements in the cattle manure were analyzed. After dehydrating the manure completely in adrying oven, the calorific value and ash content were measured to be 3,538 kcal/kg and 11.3%, respectively, which satisfies thestandard value of livestock solid fuel: heating value of 3,000 kcal/kg or above and ash content of 30% or below. In addition, when thechemical elements, such as C, H, O, N, S, and Cl in the cattle manure solids were analyzed, there was 35.72~45.68% carbon and29.48~50.43% oxygen. There were cases in which the water content in the manure exceeded 80%, implying that the costs fordehydration would be expensive and the moisture content needs to be lowered to 20% before cattle manure can be used as an energysource. Therefore, minimizing the water content at the farm without any outside financial input will be the greatest task.
Abstract
Cattle manure solids might have used in heating agricultural facilities. This study focused on the possibilities of usingcattle manure as a solid fuel instead of composting it. The moisture content, ash content, volatile content, calorific value, TGA(thermogravimetric analysis) data, and elements in the cattle manure were analyzed. After dehydrating the manure completely in adrying oven, the calorific value and ash content were measured to be 3,538 kcal/kg and 11.3%, respectively, which satisfies thestandard value of livestock solid fuel: heating value of 3,000 kcal/kg or above and ash content of 30% or below. In addition, when thechemical elements, such as C, H, O, N, S, and Cl in the cattle manure solids were analyzed, there was 35.72~45.68% carbon and29.48~50.43% oxygen. There were cases in which the water content in the manure exceeded 80%, implying that the costs fordehydration would be expensive and the moisture content needs to be lowered to 20% before cattle manure can be used as an energysource. Therefore, minimizing the water content at the farm without any outside financial input will be the greatest task.
참고문헌 (12)
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