WHICH_OF_THE_FOLLOWING_REMAINS_THE_PRIMARY_USE_OF_MEMBRANE_FILTRATION_ – McqOptions

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1.	WHICH_OF_THE_FOLLOWING_REMAINS_THE_PRIMARY_USE_OF_MEMBRANE_FILTRATION_IN_WATER_TREATMENT??$
A.	Desalination of salt water to produce potable water
B.	A pretreatment step in water treatment
C.	Filtration of surface or ground water under the direct influence of surface water
D.	Pre heating
Answer» B. A pretreatment step in water treatment

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