1.

How can biofilm formation be prevented?

A. tBy installing a microfilter prior to Reverse Osmosis
B. tBy installing a nanofilter prior to Reverse Osmosis
C. tBy installing a ultrafilter prior to Reverse Osmosis
D. tBy installing a pressure sand filter prior to Reverse Osmosis
Answer» B. tBy installing a nanofilter prior to Reverse Osmosis


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