A comparison of reverse osmosis membrane cleaning methods
- 9 January 1992
- report
- Published by Office of Scientific and Technical Information (OSTI)
Abstract
Testing was conducted at TNX to evaluate the reverse osmosis (RO) cleaning methods in use at the F/H Effluent Treatment Facility (ETF). The present ETF membrane cleaning protocol involves a low-pressure-no-permeation method using NAOH. This work has examined the effectiveness of the present ETF method, due to the lack of improvement following the cleanings sometimes observed. This study has evaluated both low pressure (15--20 psi with no permeation) and high pressure (200 psi with permeation) cleaning methods with sequential cleanings using NAOH and Filmtec Alkaline Cleaner. The importance of the cleaning sequence with these two chemicals was also examined.Keywords
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