This gallery contains 4 photos.
Pinch valve: Gear motor rotates lead screw, moving nut (and attached slide gate) up and down. Lowering the gate pinches 1″ I.D. Silicone rubber tubing shut. Raising it, opens the valve. The L298N H-bridge motor controller provides a simple inexpensive … Continue reading
An interesting very simple home batch digester design from Open Source Biotecture in Nepal: (One question: why is the truck inner tube in a barrel with water? What happens to the water when the bag fills and empties?
Cost-effective renewable bioenergy, electricity, food production and more. SWEET SORGHUM: Fantastic for farmers, fuel, food, and our future. AgriFuels is a next-generation agribusiness and renewable energy project. The project employs a high-yielding, proprietary variety of the powerful energy plant sweet … Continue reading
Hybrid batch/continuous design a la UC Davis Anaerobic Phased Solids (APS) system. Also described in David House’s Biogas Handbook (©1978). The idea is to have multiple batch fed hydrolysis tanks and a single larger biogasification reactor that is “semi”-continuously fed … Continue reading
ISC Indonesian Superb Cassava Quoting from the linked website, my highlight added: “Our R&D team rides technology’s edge, bringing innovation for high yield cassava harvesting. Established in 2007, PT Bioenergy Bumi Hidayah focused on modern technology cassava cultivation method. Indonesian … Continue reading
Sustainable Management of Duckweed Biomass Grown for Nutrient Control in Municipal Wastewaters Duckweed molecular formula determination Chemical and elemental composition analysis of the duckweed was carried out by the Utah State University Analytical lab, Logan Utah and Huffman Lab, Colorado … Continue reading
Characterization of Food and Green Wastes As Feedstock for Anaerobic Digesters Abstract In order to select the proper operating conditions and assess the performance of an anaerobic digester, it is important to analyze the characteristics of an organic feedstock. In … Continue reading