BEIJING BIOSOLIDS STRATEGY STUDY

Xiangping Yang; Chao Ding; Jeffrey A. Howard; Chen-Wei Shen; Thomas E. Wilson

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BEIJING BIOSOLIDS STRATEGY STUDY

Abstract

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.

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...

Author(s)

Xiangping YangChao DingJeffrey A. HowardChen-Wei ShenThomas E. Wilson

SourceProceedings of the Water Environment Federation

SubjectSession 9: Success Stories I

Document typeConference Paper

PublisherWater Environment Federation

Print publication date Jan, 2007

ISSN1938-6478

SICI1938-6478(20070101)2007:3L.591;1-

DOI10.2175/193864707787975796

Volume / Issue2007 / 3

Content sourceResiduals and Biosolids Conference