Thanks for the input. a) In first case, we raise pH a bit using Na2CO3 to enhance iron precipitation. b) For the second case, we are using NaOH because it adds only a little amount of Na+ ions copared to Na2CO3. We are planning to include a pH monitoring unit as a fail safe.

Published June 23, 2017 10:22 by Asanka Jayasinghe, Mr.

Thanks for the input.

a) In first case, we raise pH a bit using Na2CO3 to enhance iron precipitation.

b) For the second case, we are using NaOH because it adds only a little amount of Na+ ions copared to Na2CO3.

We are planning to include a pH monitoring unit as a fail safe.