The medium size biogas system is composed of one or a group of 100 or 200m3 biogas plants formed into a group, the pipe system, the gas purify system and the appliances or electricity generator. The biogas plant can be built above the ground or under the ground with minimum civil work. The design of the plant is user friendly so it can be easily operated and maintained in rural areas by unskilled labors.
1)High Performance: Easier built and larger scale: the concrete biogas plant construct by steel mould, the steel mould is reusable; the success rate of its construction can be 100% guaranteed by the unskilled labors, it can be pattern, no matter how large scale it is. Can be easily adapted for future expansions.
)2) Economic Working: Low construction cost: Lower than the present big-size biogas plants.
Low working cost: Fewer technicians needed.
Low maintenance cost: No such high costs as those for rust prevention and mechanic maintenance. Quick commissioning
The medium size biogas system is mainly applied to medium size livestock farm (chicken, pig, cow, horse etc.) plants to treat the animal manure, or applied to public buildings (slaughterhouse, brewery, food processing factory, hotel, restaurant, school, community, prison, zoo, factory, park etc.) to treat sewage and food waste.