E3S Web Conf.
Volume 245, 20212021 5th International Conference on Advances in Energy, Environment and Chemical Science (AEECS 2021)
|Number of page(s)
|Chemical Performance Research and Chemical Industry Technology Research and Development
|24 March 2021
Adsorption of Nitrogen and Phosphorus in Water by Eggshell Modified with FeCl3
Qilu Institute of Technology, Jinan City, Shandong Province, China
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As a kind of domestic waste, eggshell has developed pore structure and good adsorption capacity. The material was selected as adsorbent to study the adsorption of total nitrogen and total phosphorus in water. After being modified by ferric chloride, its adsorption effect is greatly enhanced. The adsorption of nitrogen and phosphorus in water by eggshell modified by ferric chloride was studied under different conditions. The experimental results show that the adsorption capacity after modification is 15% ~ 40% higher than that before modification. The results of orthogonal experiment show that under the following conditions: pH value was 5.00, dosage was 0.050 g, time was 65 min, the maximum adsorption capacity of total phosphorus was 45.34 mg/g; under the following conditions: pH value was 4.50, dosage was 0.100 g, time was 60 min, the maximum adsorption capacity of total nitrogen was 79.91 mg/g.
© The Authors, published by EDP Sciences, 2021
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