농촌지역 바이오매스 에너지 보급 활성화 전략
Strategies for Increasing Biomass Energy Utilization in Rural Areas
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초록
The demand of renewable energy is expected to grow in the long run in spite of current stable lower oil prices. Energy consumption for heating inhorticulture greenhouse is large and affects the profits of the farms. This study analyzed the availability of biomass in rural area and proposed thestrategies for utilizing the biomass for greenhouse heating. Data reveal the annual average fuel consumption in greenhouses is about 78 TOE/ha. Considering biomass resource in rural areas, agricultural residues are not sufficient to meet the biomass demand from greenhouses. Therefore it isrecommended to secure further biomass including wild herbaceous biomass and woody biomass from forest. Based on the conditions of biomassgasification equipment investment and fuel prices, maximum allowable price of biomass turned out about 100,000 KRW/t to be competitive to kerosine. Biomass supply chain should be established for facilitating biomass trading between biomass consumers and biomass producers such as farmers whoprovide crop residues. An online trading system is an example of the system where consumers who utilize biomass make payments to suppliers and getthe information about the biomass. Intermediate collection storages are required to store biomass from distributed sources. Operation of biomass heatingsystems in demonstration greenhouses is necessary to get information to refine and further develop commercial biomass heating systems. Relativelylarge greenhouses are desirable to have biomass heating systems for economic viability. The location of the greenhouse farms should be selected withinthe area where enough biomass resources are available for feeding the biomass facility.
Abstract
The demand of renewable energy is expected to grow in the long run in spite of current stable lower oil prices. Energy consumption for heating inhorticulture greenhouse is large and affects the profits of the farms. This study analyzed the availability of biomass in rural area and proposed thestrategies for utilizing the biomass for greenhouse heating. Data reveal the annual average fuel consumption in greenhouses is about 78 TOE/ha. Considering biomass resource in rural areas, agricultural residues are not sufficient to meet the biomass demand from greenhouses. Therefore it isrecommended to secure further biomass including wild herbaceous biomass and woody biomass from forest. Based on the conditions of biomassgasification equipment investment and fuel prices, maximum allowable price of biomass turned out about 100,000 KRW/t to be competitive to kerosine. Biomass supply chain should be established for facilitating biomass trading between biomass consumers and biomass producers such as farmers whoprovide crop residues. An online trading system is an example of the system where consumers who utilize biomass make payments to suppliers and getthe information about the biomass. Intermediate collection storages are required to store biomass from distributed sources. Operation of biomass heatingsystems in demonstration greenhouses is necessary to get information to refine and further develop commercial biomass heating systems. Relativelylarge greenhouses are desirable to have biomass heating systems for economic viability. The location of the greenhouse farms should be selected withinthe area where enough biomass resources are available for feeding the biomass facility.
참고문헌 (23)
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