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Original scientific paper

BIOSORPTION OF METHYLENE BLUE BY WASTE APRICOT SHELLS FROM FOOD INDUSTRY

By
Tatjana Šoštarić ,
Tatjana Šoštarić
Contact Tatjana Šoštarić

Institute for Technology of Nuclear and other Mineral Raw Materials, Belgrade, Serbia

Marija Petrović ,
Marija Petrović

Institute for Technology of Nuclear and other Mineral Raw Materials, Belgrade, Serbia

Jelena Milojković ,
Jelena Milojković

Institute for Technology of Nuclear and other Mineral Raw Materials, Belgrade, Serbia

Jelena Petrović ,
Jelena Petrović

Institute for Technology of Nuclear and other Mineral Raw Materials, Belgrade, Serbia

Marija Stanojević ,
Marija Stanojević

Institute for Technology of Nuclear and other Mineral Raw Materials, Belgrade, Serbia

Časlav Lačnjevac ,
Časlav Lačnjevac

Faculty of Agriculture, University of Belgrade, Belgrade, Serbia

Mirjana Stojanović
Mirjana Stojanović

Institute for Technology of Nuclear and other Mineral Raw Materials, Belgrade, Serbia

Abstract

In this paper, the removal of methylene blue (MB) from aqueous solution by biosorption ontoapricot shellshas been investigated through batch experiments. Apricot shells were chosen as alocally available and abundant waste from fruit juice industry. Methylene blue is common pollutantof waste waters from textile industry.The influence of initial MB concentration on biosorption process has been studied. Theexperimental data have been analysed using Langmuir and Freundlichisotherm models. TheLangmuir model better fits to experimental data, which explain monolayer adsorption. Maximumbiosorption capacity is 24,31 mg/g. A comparison of the biosorption capacity of waste apricot shellswith biosorption capacities of similar adsorbents previously investigated indicates that apricotshells could be a promising biosorbent for removal of MB from aqueous solution.

Citation

Authors retain copyright. This work is made freely available online under an open-access model under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC-http://creativecommons.org/licenses/by-nc-nd/4.0/BY-NC-ND 4.0).

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