Limitation of pH on DAF operation
Limitation of pH on DAF operation
(OP)
What is the optimum range of pH for improving DAF efficiency & what is the maximum limitation on pH for DAF to handle safely.
I have a scenario where pH at the feed of DAF is around 10.5, will there be any effect of DAF efficiency.
Also TDS at the feed of DAF is quite high, around 25000 - 30000 ppm, please let me know the impact if any on DAF performance.
I have a scenario where pH at the feed of DAF is around 10.5, will there be any effect of DAF efficiency.
Also TDS at the feed of DAF is quite high, around 25000 - 30000 ppm, please let me know the impact if any on DAF performance.





RE: Limitation of pH on DAF operation
RE: Limitation of pH on DAF operation
The high TDS itself should not affect the DAF process substantially although the viscosity and density of the water is different to what freshh water might be be. This might have a very minor impact on bubble formation and particle rise rates, but probably not enough to be a problem.
Without knowing the chemistry of the water being treated you should also check the compatibility and performance of the coagulant in the high TDS conditions.
Regards
Ashtree
"Any water can be made potable if you filter it through enough money"