ASSESSMENT OF SOME HYDROPHYTES IN DESALINATION OF DESERT WATERSDeepak Saigal and M.M. SaxenaAbstract The application of three hydrophytes, Eichornia, Hydrilla and Vallisnaria, is explored in desalination of desert waters as a cheep biotechnological solution to improve the quality of the resource. Hydrilla is found to efficiently reduce the salinity (EC,TDS) by bringing down kla*, K*, Ca* Mg* and SO,- Vallisnaria too was effective by bringing down Ca*, Mg+ and CI-.The role of Eichornia in reducing the salinity of water was very efficient through uptake of Na, K÷, a and SO4.-
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