Question

Show your work for all problems Pl: For many catalysts, the presence of very small amounts of certain substances greatly reduces the effectiveness of the catalysts. These substances are usually designated as poisons or inhibitors. I Derive a general form for the fractional coverage of a one-reactant system in the presence of an absorbable poison II. Derive the equation if the poison has a large equilibrium constant for adsorption. III Use the results of (I) to derive an equation at sufficiently high pressures of the poison For ful credit, you must show all steps

Answer 1

Adsorption Kinematics

log(q_e - q_t ) =  log q_e - K_d/ 2.303 *t

where qt is the adsorption capacity at time t

and kd is the pseudo-first order rate constant of the adsorption and was applied to study of Pb2+ ions adsorption.

The rate constant, kd and correlation coefficients for different concentrations of the Pb2+ ions were calculated by linear plots.

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