Effluent Dewatering Research for MSW (Municipal Solid Waste) and Wastewater Treatment Sludges

摘要

Since 1983 the program for investigation of methods to achieve near energy independence in wastewater treatment plants has focused on two areas that have the greatest possibility for energy reduction and subsequent energy production in the processing of municipal wastewater. Development of a low energy process to produce combustor-fuel-quality sludge has been the primary focus of the program. Two processes have been investigated, namely, the BMI electro-acoustic process and the low-grade energy, contact-drier process being developed at Clemson University. Both processes have achieved solids concentrations of from 37 to 45% using no more energy than is required by conventional equipment to achieve 15 to 22% solids. The end-product is autogenous and appears to be capable of being burned for energy production as a single fuel and is able to achieve the desired 1500 to 1700 sup 0 F flame temperature required for odor control. 20 refs., 6 figs. (ERA citation 13:024591)