文档介绍：Study on the Feasibility of Co-digestion of Turf
Cutting Litter and Sewage Sludge under
Thermophilic Anaerobic Condition
XIE Jing-Liang 1,2 HU Xiao-li 1, TANG Xue-Xi 1
2. School of Enviromental and Municipal Engineering, 1. College of Marine Life Science
Qingdao Technological University Ocean University of China
Qingdao, China, 266033 Qingdao , China 266003
jingliangx@
Abstract—The feasibility of co-digestion of turf cutting litter and of plexiglass pipe. Its diameter, height, total volume, effective
sewage sludge was investigated. The cutting litter were mixed volume is 200mm, 240mm, and 7L, respectively. Six
with the sewage sludge at the ratio of 10%, 20%, 30%, 40% and tanks were put in a water tank with constant temperature water
50%, respectively, based on the dry mass. Under thermophilic (with automatic temperature control system, tank length
anaerobic condition, the gas production rose with the increase of 1200mm, width 600mm, high 500mm). A gas flow meter was
cutting litter ratio. When the cutting litter ratio was 50%, the used to record biogas yield. Airbags were used to collect
digestion system produced gas of 348L/, 30% more than biogas ponent analysis.
that produced with sewage sludge only. The result shows that
co-digestion of turf cutting litter and sewage sludge is feasible.
out door
Keywords- turf