The adsorption capability of diatomite to reactive dyes (reactive black K-RB and reactive golden yellow X-G) in aqueous solution was studied, and adsorption mechanism was explored from the view point of kinetics. The results show that the equilibrium adsorption capacity (q(e)) of each dye increases with the temperature. On the same condition, the q(e) of reactive black is more than reactive golden yellow. The adsorption processes follow the pseudo second-order model, and the structure, size and functional groups of dyes are important factors to adsorption reaction. The dye adsorption isotherms...
