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Beijing, China currently transports dewatered, digested and undigested sludges to rural areas for stockpiling and traditional agricultural use. As the city grows, this is no longer a viable option. Several new wastewater treatment plants are expected to be on-line by 2008 which will
nearly double the current sludge production. This study recommends that Beijing use combined heat drying/composting as the primary utilization strategy. It also recommends Beijing divert as much sludge as practical to pre-calciner type cement kilns for air pollution control, and to conventional
cement kilns as supplemental fuel to be burned with coal and limestone.
Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.