Pipeline vs. truck transport of beef cattle manure

摘要: Abstract Anaerobic digestion (AD) of manure can be conducted at a wide range capacities. As capacity increases, economies scale in capital equipment are realized but transportation costs increase as must carried longer distances to the plant site. In this study, we evaluate cost pipelining from beef cattle feedlots and digestate an AD alternative truck transport. Pipeline for is minimized slurry concentration about 12%; low concentrations require larger pipeline, high higher pumping costs. Pipelining highly dependent, while trucking virtually independent given carrier size. A stand-alone pipeline competes with 90,000 head cattle. Digestate volume 2.4 times more economic than 21,000 head, two-way 29,000 head. Incremental net fixed trans-shipment zero because installed inlet eliminates need identical within digester plant. run minimum distance recover incremental trans-shipment; 300,000 animals, 9 km. transport has potential reduce overall large centralized areas such Dodge City, Kansas or Lethbridge, Alberta where very numbers feedlots. 50 km carrying 40% ongoing