An Upgrade of Seawater Reverse Osmosis with Work Exchanger - A Case Study

Jin Zeng Chen; Yan Fei Li; Guang Hua Li; Dong Bo Wang

doi:10.4028/www.scientific.net/AMM.291-294.679

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 291-294An Upgrade of Seawater Reverse Osmosis with Work...

An Upgrade of Seawater Reverse Osmosis with Work Exchanger - A Case Study

Abstract:

The present work describes the upgrade of one type seawater reverse osmosis (SWRO) unit by Work-Exchanger Energy-Recovery (WEER) system to increace the product flowrate. Before the upgrade, the unit operated at a capacity of 120t/d, and a specific electricity of 7.4kWh/m3. Tests conducted on the unit after the upgrade, when the plant operated at essentially the same pressure conditions, the capacity increase to 150t/d, and a 67.6% reduction in specific electricity to 2.4kWh/m3. This confirmed that the reduction in specific electricity was due to the WEER system. The operating experience with the plant of the first month is presented.

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Periodical:

Applied Mechanics and Materials (Volumes 291-294)

Pages:

679-681

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.291-294.679

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Online since:

February 2013

Authors:

Jin Zeng Chen, Yan Fei Li, Guang Hua Li, Dong Bo Wang

Keywords:

Energy Recovery, Pressure Exchanger, Seawater Reverse Osmosis, Work Exchanger

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