Enhanced adsorption of ceftriaxone antibiotics from water by activated carbon derived from agriculture products waste

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2023-04-12 DOI:10.1002/jmr.3016

Khuloud A. Alibrahim

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引用次数: 2

Abstract

The present work determines efficiency of domestic food waste like tea waste in removing pharmaceutical waste such as ceftriaxone (CEF) from synthetic wastewater. Carbonaceous material; Tea waste activated carbon (TAC) has been employed and it showed high removal capacity of 787.5 mg/g. TAC was characterized using; XPS, XRD, SEM, FT-IR, and BET as well as it approved that the adsorbent a has high surface area of .6 m²/g. Various experimental parameters are evaluated for the removal efficiency of the synthesized adsorbent under the present study. During the adsorption study through batch experiments, it approved that the adsorption isotherm was fitted to Langmuir, while kinetically fitted to pseudo-second-order; the adsorption process was chemisorption process as the adsorption energy was 23.7 kJ mol⁻¹. From evaluation thermodynamic parameters the adsorption reaction was endothermic and spontaneous reaction. The different real samples spiked with CEF and studies the efficiency of TAC to remove it. On the other hand, investigated the regeneration efficiency of the TAC and exhibit high regeneration efficiency as it will be used after four cycles with good efficiency of about 84.2%.

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农产品废弃物活性炭增强对水中头孢曲松类抗生素的吸附

本研究确定了茶叶等生活厨余从合成废水中去除头孢曲松(CEF)等制药废弃物的效率。碳质材料;茶渣活性炭(TAC)的去除率高达787.5 mg/g。TAC表征采用;XPS、XRD、SEM、FT-IR、BET等测试结果表明，吸附剂a的比表面积高达0.6 m2/g。在本研究的基础上，对合成吸附剂的去除效率进行了各种实验参数的评价。在批量吸附实验中，吸附等温线符合Langmuir方程，动力学等温线符合拟二阶方程;吸附过程为化学吸附过程，吸附能为23.7 kJ mol−1。从热力学参数评价来看，吸附反应为吸热自发反应。在不同的实际样品中加入了CEF，研究了TAC对CEF的去除效果。另一方面，对TAC的再生效率进行了研究，结果表明TAC的再生效率很高，经过4次循环后，其再生效率约为84.2%。

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