Rongrong Xiong, Qiuhong Bai, Shaoni Li
Mar 27, 2020
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IOP Conference Series: Materials Science and Engineering
Abstract
Cephalexin (CEX) is widely used in aquaculture, animal husbandry, agriculture and forestry and other areas due to its wide antibacterial, high efficacy curative and less allergic reaction. However, exposure of antibiotics to the environment destroys the micro-ecological balance and leads to an increase in bacterial resistance. Herein, low-price and high-efficiency activated carbon (AC) was produced from Amygdalus pedunculata shells (APS) by phosphoric acid and zinc chloride activation. The as-obtained AC shows high specific surface area of up to 1, 810 m2 g−1 and 1, 688 m2 g−1 prepared by ZnCl2 and H3PO4 activation, respectively, and contains hierarchical sturcture of interconnected macro-, meso- and micropores. The maximum adsorption capacity for CEX based on the Langmuir model are 199.60 and 149.03 mg g−1 by ZnCl2 and H3PO4 methods, respectively. Therefore, the present AC produced from APS has potential as a low-cost adsorbent for CEX.