Abstract

In this study, the removal of nitrate (NO3−) ions from aqueous streams with liquid membrane technique has been investigated. Among the other parameters (temperature, pH, acceptor phase type and medium concentration), the stirring speed was chosen as process parameter. From the experimental results, it has been determined that the reaction was diffusion controlled. The transport efficiency of nitrate ions increased with increasing stirring speed. The membrane entrance and exit rate constants (k1d, k2m and k2a respectively) were linearly dependent on the stirring speed ratios of 100 to 250 rpm.

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