8S?awomir Stelmach,Ryszard Wasielewski.Co-combustion of dried sewage sludge and coal in a pulverized coal boiler[J]. Journal of Material Cycles and Waste Management . 2008 (2)
9Calvo L F,Otero M,Jenkins B M.et al.Heating process character -istics and kinetics of sewage sludge in different atmospheres. Thermochimica Acta . 2004