Ammonium removal from municipal wastewater through ion exchange
Ammonium removal is an important aspect in municipal wastewater treatment. The objectives of this study were to evaluate on the ammonium removal efficiency through adsorption, with the adsorbent of synthetic zeolite (NaA), and modified biochar (MBC). The kinetics, isotherms, and effects of pH to amm...
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2021
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sg-ntu-dr.10356-1501842021-05-24T08:40:04Z Ammonium removal from municipal wastewater through ion exchange Low, Ching Wei Liu Yu School of Civil and Environmental Engineering Advanced Environmental Biotechnology Centre (AEBC) CYLiu@ntu.edu.sg Engineering::Environmental engineering::Water treatment Ammonium removal is an important aspect in municipal wastewater treatment. The objectives of this study were to evaluate on the ammonium removal efficiency through adsorption, with the adsorbent of synthetic zeolite (NaA), and modified biochar (MBC). The kinetics, isotherms, and effects of pH to ammonium removal of both NaA and MBC were investigated. Langmuir adsorption model provides a better description, compared to Freundlich, of the adsorption mechanism of both NaA and MBC and the maximum adsorption capacities were found to be 43.5 mg/g and 10.7 mg/g, respectively. Results indicated that influent pH has a significant influence over the removal of ammonium. The peak ammonium adsorption for NaA and MBC were found to occur at pH 6 and 9, respectively. Simulated ammonium removal treatment of municipal wastewater was carried out for MBC through column test and the removal efficiency was found to reach 61.4 % with EBCT of 25min. Bachelor of Engineering (Environmental Engineering) 2021-05-24T08:40:03Z 2021-05-24T08:40:03Z 2021 Final Year Project (FYP) Low, C. W. (2021). Ammonium removal from municipal wastewater through ion exchange. Final Year Project (FYP), Nanyang Technological University, Singapore. https://hdl.handle.net/10356/150184 https://hdl.handle.net/10356/150184 en application/pdf Nanyang Technological University |
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Engineering::Environmental engineering::Water treatment Low, Ching Wei Ammonium removal from municipal wastewater through ion exchange |
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Ammonium removal is an important aspect in municipal wastewater treatment. The objectives of this study were to evaluate on the ammonium removal efficiency through adsorption, with the adsorbent of synthetic zeolite (NaA), and modified biochar (MBC). The kinetics, isotherms, and effects of pH to ammonium removal of both NaA and MBC were investigated. Langmuir adsorption model provides a better description, compared to Freundlich, of the adsorption mechanism of both NaA and MBC and the maximum adsorption capacities were found to be 43.5 mg/g and 10.7 mg/g, respectively. Results indicated that influent pH has a significant influence over the removal of ammonium. The peak ammonium adsorption for NaA and MBC were found to occur at pH 6 and 9, respectively. Simulated ammonium removal treatment of municipal wastewater was carried out for MBC through column test and the removal efficiency was found to reach 61.4 % with EBCT of 25min. |
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Liu Yu |
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Liu Yu Low, Ching Wei |
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Final Year Project |
author |
Low, Ching Wei |
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Low, Ching Wei |
title |
Ammonium removal from municipal wastewater through ion exchange |
title_short |
Ammonium removal from municipal wastewater through ion exchange |
title_full |
Ammonium removal from municipal wastewater through ion exchange |
title_fullStr |
Ammonium removal from municipal wastewater through ion exchange |
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Ammonium removal from municipal wastewater through ion exchange |
title_sort |
ammonium removal from municipal wastewater through ion exchange |
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Nanyang Technological University |
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2021 |
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https://hdl.handle.net/10356/150184 |
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