As China gradually constructs, and sometimes operates, wastewater treatment works to improve the quality of rivers so biosolids (sludge) will be produced.
In wastewater treatment, flotation is used principally to remove suspended matter and to concentrate biosolids.
The utilization of mixtures of fly ash and biosolids in soil amendment is suggested to be one of the best methods of solid waste disposal and utilization.
This bibliography deals with the management of sludge and biosolids including thickening, dewatering, conditioning, and beneficial use.
EPA has initiated a new study of infections from drinking water using technology that is directly applicable to biosolids exposure studies.
