| Agrifood Research Finland completed a feasibility study concerning on-farm dry fermentation. The study included the documentation of a prototype plant of a dairy farm at Järna about 50 km south of Stockholm. Interesting features of the plant are amongst others the recycling of a second-hand smokestack as reactor material, the inclined first reactor for mixing the solid manure by gravity force, the bottomless drawer technique for discharging, the fixed film technique for rapid methane generation, and a manure compost produced with low nitrogen losses. The recently developed technology is in the process of testing and refinement. The local association of farms, horticulture enterprises, food processing units, food stores, and consumers in Järna aims to... |
