Membranes for Odor Control? A Case Study on a New Approach for the Clovis Water Reuse Facility
Abstract:When the City of Clovis (the City), California selected CH2M HILL to design, build, and operate its 2.8 millions of gallons per day (mgd) water reuse facility (WRF) in early 2006, it imposed extremely stringent odor management requirements for the design and operation of the facility. At the start of the assignment, the City expected to have expanded its residential neighborhoods to the boundary of the WRF, but the global recession has slowed the planned rate of community growth. The plant will ultimately sit beside a residential community, and the facility design incorporated very high aesthetic, noise, and odor standards to minimize the impact on its neighbors. The plant started to receive wastewater in early 2009 and has exceeded expectations in terms of plant performance and odor control.
This paper presents the odor management challenges imposed in the contract, and details the two-stage biological odor control system that reuses odorous process air within the membrane separation process for the first stage of odor control. It also presents a discussion of the short-term and long-term testing program, as well as the results of the performance testing and complementary dispersion modeling efforts that show that the plant meets the performance guarantee for odor management.
Document Type: Research Article
Publication date: January 1, 2010
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