Ibrahim, your post still ...

Published by

Ibrahim, your post still incomplete, needs more details about type of raw water, physical analysis, chemical analysis including sodium level and temp as well.

What about the specific quality of the required permeate? 

There are different methods for treating sodium, the optimum treatment technology is based on the raw water quality and the required permeate.

Could you share your raw water analysis, required permeate and purpose of permeate?