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
This question was posed to me in exam.
My question is from Membrane Filter topic in portion Building Blocks of Dairy Processing of Dairy Engineering