hydrolysis and sand removing technology
national "12th five-year" plan for science & technology support “research and demonstration of high-quality biogas production equipment
by centralized and combined digestion”;
obtain invention patent, patent no. zl2013 1 0723904.8: zl 2013 1 0723903.8

basic principle: separation of sand from manure by mixing and hydrolysis, sand is then conveyed and removed from tank by screw conveyor.

features: ①sand removal efficiency 90% ②easy operation and maintenance.

application:suitable for pretreatment of livestock manure such as chicken manure, cow manure which contains sand.

engineering references: shandong minhe (phase ii)bio-methane project.