Patent ID: 6379545
Filing Date: 2002-04-30
Classification: C02F,Y02W

Abstract:
A method of treating wastewater in a wastewater treatment plant capable of operating in a plurality of successive phases, wherein the capacity of the plant to treat waste increases with each of said phases, comprising:designing said wastewater treatment plant for operation in at least a first and a second of said phases of operation, including the designing of a first vessel having a capacity suitable for use as a sequential batch reactor in a first of said phases of operation and a capacity suitable for use as a sludge digester in a second of said phases of operation; constructing said wastewater treatment plant to operate in said first phase with said first vessel serving as a sequential batch reactor; utilizing said wastewater treatment plant in said first phase; converting said wastewater treatment plant for operation in said second phase, including the steps of converting said first vessel to a sludge digester and constructing at least one additional vessel for use as a sequential batch reactor; and utilizing said wastewater treatment plant in said second phase.