ANOVA Parameter Naphthalene Acenaphthene
Y1(FB) Y2(FB) Y3(MB) Y4(MB) Y5(RH) Y6(RH) Y7(FB) Y8(FB) Y9(MB) Y10(MB) Y11(RH) Y12(RH)
Std. Dev. 0.063 1.13 0.47 0.89 0.071 1.40 0.029 0.72 0.021 0.86 0.57 1.12
Mean 2.78 55.48 2.49 50.30 3.41 68.08 3.02 60.59 2.69 54.38 3.70 74.49
R2 0.9970 0.8689 0.9978 0.9622 0.9976 0.7589 0.9994 0.9576 0.9996 0.9710 0.8472 0.8605
Adj R2 0.9962 0.8332 0.9972 0.9519 0.9969 0.6932 0.9993 0.9460 0.9995 0.9631 0.8056 0.8224
Pred R2 0.9947 0.7774 0.9957 0.9272 0.9957 0.6019 0.9990 0.9009 0.9993 0.9174 0.6270 0.6880
Adeq Pre 98.462 12.702 115.764 26.196 100.417 9.088 215.328 23.890 280.278 31.633 13.081 12.585
Where: Y1 (FB) = Response of adsorption capacity of flamboyant pod back for the removal of naphthalene from simulated water; Y2 (FB) = Response of removal efficiency of flamboyant pod back for the removal of naphthalene from simulated water; Y3 (MB) = Response of adsorption capacity of milk bush kernel shell for the removal of naphthalene from simulated water; Y4 (MB) = Response of removal efficiency of milk bush kernel shell for the removal of naphthalene from simulated water; Y5 (RH) = Response of adsorption capacity of rice husk for the removal of naphthalene from simulated water; Y6 (RH) = Response of removal efficiency of rice husk for the removal of naphthalene from simulated water; Y7 (FB) = Response of adsorption capacity of flamboyant pod back for the removal of acenaphthene from simulated water; Y8 (FB) = Response of removal efficiency of flamboyant pod back for the removal of acenaphthene from simulated water; Y9 (MB) = Response of adsorption capacity of milk bush kernel shell for the removal of acenaphthene from simulated water; Y10 (MB) = Response of removal efficiency of milk bush kernel shell the removal of acenaphthene from simulated water; Y11 (RH) = Response of adsorption capacity of rice husk for the removal of acenaphthene from simulated water; Y12 (RH) = Response of removal efficiency of rice husk for the removal of acenaphthene from simulated water.
Table1: ANOVA parameter values of Response analysis equations for naphthalene and acenaphthene adsorption unto selected adsorbents.