Research Article
Evaluation of a Novel Water Treatment Residual Nanoparticles as a Sorbent for Arsenic Removal
Table 1
Kinetics model parameters and determination coefficients and standard error of estimate for arsenic adsorption by nWTR at 3 pH values.
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or is As adsorbed (mg kg−1) at time , is As adsorbed (mg kg−1) at equilibrium, is apparent sorption rate coefficient, α is the initial adsorption rate (mg g−1 min−1), β is a constant related to the extent of surface coverage (mg g−1), is a constant; is apparent diffusion rate coefficient, is adsorbed As (mg kg−1), is initial As concentration (mg L−1), is reaction time (min), is sorption rate coefficient (min−1), and is constant. is determination coefficient and SE is standard error of estimate. |