GNSPGood Night Sweet Prince
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In case of industrial effluent Cr (VI) removal was 96.7% and 89.9% in hybrid and Pure GNSP column respectively.
The experimental data obtained for the adsorption of Cr (VI) ions on modified hybrid & pure GNSP column conformed with the Freundlich adsorption isotherm (Fig.
The Freundlich isotherm parameters K and 1/n were found to be 1.535 and 1.416 for hybrid column and 0.1754 and 0.809 for Pure GNSP column.
Table 4.3 and 4.4 shows the data for interpretation by Freundlich isotherm for hybrid and Pure GNSP column.
The percent removal comes out to be 96.7% in case of Hybrid column and 89.9% in case of Pure GNSP column.
Hybrid column (96.7%) proved to be much more efficient than Pure GNSP column (89.9%) for the removal of 200ppm Cr (VI) from industrial effluent.
Adsorption phenomenon conformed to the Freundlich adsorption isotherm in the range 50-200ppm for hybrid and Pure GNSP column.