Llobregat River Direct Ultrafiltration and Reverse Osmosis: Operation and Optimization Experiences

This paper describes the use of an integrated membrane system consisting Ultrafiltration (UF) and Reverse Osmosis (RO) filters treating raw river water that has been optimized by improving the operating sequence and cleaning conditions. The combined membrane process treats challenging surface water from Llobregat River (Barcelona, Spain) with occasional turbidity values higher than 1000 NTU. Results after two years of operation are presented.

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