alexa Pseudo-second order model for sorption processes
Environmental Sciences

Environmental Sciences

Journal of Pollution Effects & Control

Author(s): YS Ho, G McKay

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A literature review of the use of sorbents and biosorbents to treat polluted aqueous effluents containing dyes/organics or metal ions has been conducted. Over 70 systems have been reported since 1984 and over 43 of these reported the mechanism as being a pseudo-first order kinetic mechanism. Three sorption kinetic models are presented in this paper and have been used to test 11 of the literature systems previously reported as first order kinetics and one system previously reported as a second order process. In all 12 systems, the highest correlation coefficients were obtained for the pseudo-second order kinetic model.

This article was published in Process Biochemistry and referenced in Journal of Pollution Effects & Control

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