Portable mini size solar biogas digester plant system 1. easy to install 2. high biogas production 3. long lifespan 4. safe Portable mini size solar biogas digester plant system The system is composed of a PORTABLE SORLAR DIGESTER, a desulferizer, a gas storage bag, a gas pump, a solar charger, a pressure gauge, gas pipe line and appliances. The PORTABLE SORLAR DIGESTER consists of mainly an ...