| biosolids from two-stage bioleaching could produce compost for unrestricted use. | a biological process, called biosol, developed in our laboratory, efficiently reduces metals and reduces pathogenic indicator bacteria in sewage sludges in a single-stage system to levels meeting ontario ministry of the environment (ome) requirements for land application of biosolids. since the requirements for unrestricted use of compost are 10 to 50 times (depending on the metal involved) more restrictive than those for land application, this study was carried out to determine whether the effi ... | 2006 | 16865922 |