Abstract
Water quality aspect of ground water recharge modelling of M/S SIV Industries effluent irrigated farm in Coimbatore, Tamil Nadu, which is polluted due to the disposal of Viscose pulp plant effluents is carried out to know the impact of Sodium, Calcium and Magnesium in the ground water. The model was developed using the VISUAL MODFLOWpackage. At first, the flow modelling of the area is developed to find out the water table fluctuation and direction of ground water flow. The calculated values are retrieved in the mass transport package MT3D to find the concentration of Na, Ca and Mg in the ground water for various options. The result of this study indicated that the concentration values are on the increasing trend at all the observation points irrespective of options. However, the effect is minimized if diluted effluent irrigation was carried out. At 25per cent and 50 per cent dilution, the reduction in the rate of accumulation was observes as 2-3 times and 7 times respectively. The application of this developed model with VMF has created a new platform for the design of eco- friendly management of effluent irrigation schemes.
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