Marlina, M. Iqhrammullah, Darmadi, I. Mustafa, Rahmi
This study is the continuation of our previous work on the synthesized chitosan modified polyurethane foam (Chi- PUF) adsorbent by using a simple method. This research aims to examine the isotherm adsorption of Chi-PUF and its direct application on mercury-contaminated well water samples from Aceh Jaya regency. Two common Langmuir and Freundlich isotherm models were used in these studies. Adsorption test with the variation of initial adsorbate concentration was carried out for the isotherm studies. The test was carried out under the predetermined optimum conditions (60 minutes of contact time and pH 7). Hg (II) adsorption using Chi-PUF fits the Freundlich isotherm model with R-value to be the closest one to 1 (0.9417).Even though the value of adsorption constant (Kf) was not high (0.2968 (mg/g) (L/mg)), Chi-PUF adsorbent was able to adsorb Hg from the well water samples up to 83.049%. © RASĀYAN. All rights reserved.
Department of Chemistry, Universitas Syiah Kuala, Faculty of Mathematics and Natural Sciences, Kopelma Darussalam, (Banda Aceh), 23111, Indonesia; Department of Chemical Engineering, Universitas Syiah Kuala, Faculty of Mathematics and Natural Sciences, Kopelma Darussalam, (Banda Aceh), 23111, Indonesia
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