生物廃棄物および家畜汚水利用によるバイオガス発電ならびに生活・畜産環境保持 : 南独バーデンヴユルテムベルクにおける対応

概要

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The true situation of animal feeding and rural environment protection in Baden-Wurttemberg, Germany were investigated. Most areas of the country are occupied by the regions, where the climate is cool and precipitation is limited. The sizes of agricultural land of individual farm were large (24.65ha in average), especially during these 30 years mostly by relying land lease. Thirty-five percent of the agricultural land in the country was utilized for permanent grassland. Forage was also raised in cultivated fields. Biogas plants were built in ca. 30 farms. In these plants, pasture grasses, crop leftovers, restaurant leavings, cooking oil waste, tree branches and leasves of streets were utilized as substrate for biogas fermentation. Animal feces and slurry were also utilized. In all the biogas plants, the energy of biogas was reconverted to electric power using methane-engine. The energy conversion efficiency from biogas to electiricity and heat reached 73〜87% in LVVG. Surplus electric powers produced in commercial fams were purchased at the government price by a cooperation of electric power.
明治大学の論文
2003-03-26