Investigation of Cadmium Adsorption Potential by Suspended Sediments of the Rozeh-Chay River, Urmia Region at Different Ionic Strengths

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Mola Ali Abasiyan Sara; Karimpour Marziyeh; PIRKHARRATI HOSEIN; ASADZADEH FARROKH

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Journal: APPLIED SOIL RESEARCH Year:2020 | Volume:8 | Issue:1 Page(s): 59-67

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Title

Investigation of Cadmium Adsorption Potential by Suspended Sediments of the Rozeh-Chay River, Urmia Region at Different Ionic Strengths

Author(s)

Mola Ali Abasiyan Sara | Karimpour Marziyeh | PIRKHARRATI HOSEIN | ASADZADEH FARROKH | Issue Writer Certificate

Keywords

FreundlichQ2

Ionic strengthQ1

LangmiurQ1

Van-HuayQ1

Abstract

In this research, suspended sediments of the Roze-Chay River, which were located on west part of Urmia Lake, were used to investigate the influence of Ionic strength on sorption of cadmium. Adsorption of cadmium on the suspended sediments was investigated using batch experiments. The studied sediments (40 g l-1) was equilibrated in 6, 12, and 25 mmol l-1 Ionic strength at definite pH with different cadmium concentrations (0-350 μ mol l-1). The results indicate the more Ionic strength; the less cadmium sorption occurs in all the samples. This effect of Ionic strength on sorption can be attributed to the increased competition between competitive ions (Ca2+) and Cd2+. Isotherm data were described by using Freundlich, Langmuir, and Van-Huay models and better fitting were introduced Freundlich and Langmuir models. The average maximum adsorption capacity (b) of cadmium onto the suspended sediments was obtained 15. 3 μ mol g-1. Therefore, the suspended sediments have a very low potential for the sorption and transfer of cadmium. That means, even if cadmium is present in the bed of the river, these suspended sediments have no significant ability to sorb cadmium ions and cannot be considered as a carrier of cadmium in the environment...

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APA: Copy

Mola Ali Abasiyan, Sara, Karimpour, Marziyeh, PIRKHARRATI, HOSEIN, & ASADZADEH, FARROKH. (2020). Investigation of Cadmium Adsorption Potential by Suspended Sediments of the Rozeh-Chay River, Urmia Region at Different Ionic Strengths. APPLIED SOIL RESEARCH, 8(1 ), 59-67. SID. https://sid.ir/paper/400267/en

Vancouver: Copy

Mola Ali Abasiyan Sara, Karimpour Marziyeh, PIRKHARRATI HOSEIN, ASADZADEH FARROKH. Investigation of Cadmium Adsorption Potential by Suspended Sediments of the Rozeh-Chay River, Urmia Region at Different Ionic Strengths. APPLIED SOIL RESEARCH[Internet]. 2020;8(1 ):59-67. Available from: https://sid.ir/paper/400267/en

IEEE: Copy

Sara Mola Ali Abasiyan, Marziyeh Karimpour, HOSEIN PIRKHARRATI, and FARROKH ASADZADEH, “Investigation of Cadmium Adsorption Potential by Suspended Sediments of the Rozeh-Chay River, Urmia Region at Different Ionic Strengths,” APPLIED SOIL RESEARCH, vol. 8, no. 1 , pp. 59–67, 2020, [Online]. Available: https://sid.ir/paper/400267/en

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