Why are you thinking about a ...
Published by Joseph Cotruvo, President at Joseph Cotruvo & Associates, Water , Environment and Public Health
Why are you thinking about a second pass in an RO desal plant? Do you need extremely low TDS >>100 mg/L? Two pass was done in some locations when the WHO Guideline for boron was 0.5 mg/L so 1 pass was not sufficient. Now the Guideline is 2.4 mg/L which is easily achievable by 1 pass. For details on sizing and other issues contact Nikolay Voutchkov nvoutchkov@water-g.com