International Journal of Computational and Theoretical Chemistry
Volume 6, Issue 1, March 2018, Pages: 14-20
Received: Dec. 19, 2017;
Accepted: Jan. 2, 2018;
Published: Jan. 19, 2018
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Ensieh Khodadad Hosseini, Marine Chemistry Department, Faculty of Marine Science and Technology, Islamic Azad University, Tehran, Iran
Hossein Ghafourian, Marine Chemistry Department, Faculty of Marine Science and Technology, Islamic Azad University, Tehran, Iran
Mohammad Rabbani, Marine Chemistry Department, Faculty of Marine Science and Technology, Islamic Azad University, Tehran, Iran
One of the main sources of environment pollution is the industrial wastewater which contains heavy metals and can be found in many industries. If these heavy metals enter in the human body, would cause many health problems. On the other hand, different researches around the world show that nanotechnology is an effective way to remove pollutants. In this research, for the first time in the world, a type of natural sponge of Persian Gulf that has Nano holes has been used to remove the lead ion selectively from calcium, magnesium and cobalt ions in aqueous solution. The present study identified a sample belonging to the sponge of Demospongiae class. The aggregation of absorption in the sponge, contact time, particle size and by measuring environment`s pH were measured. The results show this type of sponge, GH-92, is able to absorb different amounts of mentioned metal ions. Adsorption amount of calcium, magnesium and cobalt by this type of sponge was very small. The highest adsorption capacity belonged to lead ion in pH= 4.5 to 5 with mesh 230 which was 79.19 mg per gram of adsorbent. This is the highest adsorption capacity of lead comparison with reported articles for selective separation of lead ion.
Ensieh Khodadad Hosseini,
Selective Separation of Lead Ions Using New Nano-Adsorbent GH-92, International Journal of Computational and Theoretical Chemistry.
Vol. 6, No. 1,
2018, pp. 14-20.
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