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The aim of the present work is to consolidate laboratory techniques we have developed for determining the scaling threshold limits of RO feed waters and for assessing the relative inhibitory effectiveness of various antiscalants. The maximum permissible water recovery may be determined from induction time measurements of supersaturated solutions recycling through a laboratory RO module with permeate...
This paper describes laboratory techniques for characterizing the permissible water recovery fraction in RO desalination, which is limited by the need to avoid scale deposition on the membrane. The CaSO4 scaling system was adopted for the development of these techniques. An upper water recovery bound is determined by operating an RO laboratory module such that the feed concentration level is gradually...
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