Organic waste accounts for about half of household waste, can be further composted by biodegradation method or anaerobic treatment to produce biogas. Due to the different size and property of kitchen waste, it has certain difficulty to handle the material at the early stage. Harden has introduced German technology to develop organic waste processing system which mainly contains spiral feeding, shredding, dehydrating, spiral discharging, fermentation, composting, etc. The volume of kitchen waste can be reduced by 5-10% after the material processed by shredding pretreatment and fermentation. Intelligent dynamic control system of spiral dehydration system developed by Harden can adjust the pressure according to the handling requirement, stabilizes the system pressure and guarantees the dehydration rate of 80%.
