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Facility Assessment Provides Significant O&M Savings at the Water Replenishment District;amp;#x0027;s Vander Lans Water Treatment Facility

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The Water Replenishment District commissioned the Leo J. Vander Lans (LJVL) facility in 2003 to supplement their imported water supply used to protect drinking water aquifers in the Central Basin of Los Angeles County. Unfortunately, this facility has been experiencing significant RO fouling since the facility start-up and a facility assessment was needed to determine the cause and recommend process changes to improve operations. This paper presents the results of this assessment which consisted of documenting: (1) microfiltration system performance and filtrate water quality (2) analyze the RO feed water quality to determine the most likely RO foulant(s), (3) assessment of RO performance, and (4) document the resulting recommended process changes. This paper will conclude with a comparison of the membrane fouling rate prior to and after implementing the recommended process changes.
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Document Type: Research Article

Publication date: 2009-01-01

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