The purpose of this paper is to summarize the alternative methods of removing phosphorus from municipal wastewaters. The intent is to provide perspective to those municipal officials, engineers and operators contemplating incorporation of nutrient control measures into their treatment facilities and to indicate that the necessary technology is available. Process selection will depend on specific wastewater characteristics, existing facilities, desired effluent quality, and economic considerations.nProcesses considered include: conventional treatment, digester supernatant treatment, modified biological treatment, chemical addi¬tion in primary, secondary and tertiary stages of treatment, and moving bed filtration.
展开▼
