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Application of Modified Maize Hull for Removal of Cu(Ii) Ions From Aqueous Solutions Publisher



Ghasemi SM1 ; Mohsenibandpei A1 ; Ghaderpoori M2 ; Fakhri Y1 ; Keramati H3 ; Taghavi M4 ; Moradi B5 ; Karimyan K6, 7
Authors
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Authors Affiliations
  1. 1. Department of Environmental Health Engineering, School of Public Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  2. 2. Department of Environmental Health Engineering, Faculty of Health and Nutrition, Lorestan University of Medical Sciences, Khorramabad, Iran
  3. 3. Department of Environmental Health Engineering, School of Public Health, Semnan University of Medical Sciences, Semnan, Iran
  4. 4. Department of Environmental Health Engineering, School of Public Health, Shahid Sadoghi University of Medical Sciences, Yazd, Iran
  5. 5. Department of Health Public, Kermanshah University of Medical Sciences, Kermanshah, Iran
  6. 6. Environmental Health Research Center, Kurdistan University of Medical Sciences, Sanandaj, Iran
  7. 7. Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

Source: Environment Protection Engineering Published:2021


Abstract

Discharge of industrial waste containing heavy metals to the environment is a main concern because of their toxicity to many life forms. Adsorption process is one of the conventional methods in order to adsorb heavy metals from wastewater effluents. Therefore, the removal of Cu(II) from aquatic solutions using modified maize hull was investigated. All experiments were performed in batch conditions. The residual Cu(II) concentration was measured by AAS. Upon increasing the adsorbent dosage, pH, and contact time and decreasing Cu(II) concentration, the removal efficiency of Cu(II) ions increased. In optimum conditions, 50% of copper was removed by modified maize hull. The experimental data were best fitted by the Langmuir type 2 model and the adsorption kinetic model followed a pseudo-second order type 1 model. It seems that the use of the modified maize hull to remove Cu(II) ions is very suitable, low-cost, and efficient. © 2017 Technical University of Wroclaw. All rights reserved.
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