Laboratory demonstration of a photovoltaic-powered seawater reverse-osmosis system without batteries

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Abstract

A prototype photovoltaic-powered reverse-osmosis system has been constructed at CREST, Loughborough, UK. The rate of production of fresh water varies throughout the day according to the available solar power, and thus, the system operates without need of batteries. The system is designed to operate from seawater, and a Clark pump brine-stream energy recovery mechanism is coupled with a variable recovery ratio technique to achieve a specific energy consumption of less than 4 kWh/m3 over a wide range of operation. Measurements showing the variable operation over a two-day period are presented and discussed.

Original languageEnglish
Pages (from-to)105-111
Number of pages6
JournalDesalination
Volume183
Issue number1-3
DOIs
Publication statusPublished - 2005

Keywords

  • solar
  • renewable energy
  • energy recovery
  • reverse osmosis
  • seawater
  • pv
  • photovoltaic

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