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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.
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 These proceedings are not peer reviewed.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.