Abstract :
Groundwater pollution has become a drastic problem principally because of nature and wide spread use of modern chemicals viz. pesticides and fertilizers. Excessive application of fertilizers as well as organic wastes and sewage has been implicated in the nitrogen pollution of groundwater. Therefore, the issue of rising nitrate concentration in groundwater has become a subject of extensive research in India and Rajasthan in particular. In natural water, nitrate ((NO3-) N is usually
Keyword :
Reverse osmosis; Nitrate; KH2PO4; Polyamide membrane; Rejection; Methaemoglobin; Donnan effect; Electrostatic force; Electro-neutrality