Cr VI - Removal from Wastewater by Adsorption on Elaeagnus angustifolia fruit powder
Publish place: international conference on civil engineering, architecture and Urban Sustainable Development
Publish Year: 1392
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICCAU01_3133
تاریخ نمایه سازی: 29 تیر 1393
Abstract:
Chromium is considered as one of the important environmental pollutants due to its toxicity considered as water contaminant that may disturb metabolic activity. In the present investigation,removal of Cr (VI) using Elaeagnus angustifolia fruit powder has been studied. In the present study, adsorption of dissolved Chromium (VI) onto Elaeagnus angustifolia fruit powder has been investigated and the effect of contact time, pH value, initial concentration of dissolved Chromium and amount of adsorbent on the adsorption of Cr by the mentioned adsorbents were investigated. Results showed that the adsorption process was highly dependent on pH. Maximum Cr removal was achieved when the pH of the mixture fell within 2. Adsorption test results revealed that Cr adsorption on the studied adsorbents could be better described by Longmuir isotherm. Maximum Cr removal efficiencies were obtained by Elaeagnus angustifolia fruit powder 70 mg/g.Based on Cr (VI) removal efficiency it is concluded that jujube powder could be considered one of the natural and inexpensive adsorbent to remove Cr (VI) from wastewater.
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Authors
Ensiye Fadaei
Corresponding Author, Master of Science, Environmental Engineering, University of Birjand
Alireza pourkhabbaz
The Professor assistance, Department of Environmental, University of Birjand
Naser mehrdadi
The Professor assistance, Department of Environmental Engineering, University of Tehran
Mohammad javad Amiri
The Professor assistance, Department of Environmental Planing and Management, University of Tehran
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