竹制生物炭对喹诺酮类抗生素的吸附效果及机理研究。

IF 4.3 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

ACS Omega Pub Date : 2024-11-24 eCollection Date: 2024-12-10 DOI:10.1021/acsomega.4c07479

Erming Ouyang, Ruiyue Zhang, WenJie Fu, Rui Zhao, Hongwei Yang, Hanrui Xiang, Wanyuan He

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引用次数: 0

摘要

喹诺酮类抗生素对生态和人类健康的危害已引起广泛关注。本研究利用在不同热解温度下合成的竹生物炭去除喹诺酮类抗生素（以莫西沙星（MFX）、环丙沙星（CIP）和氧氟沙星（OFLX）为模型）。热解温度为 700 °C，生物炭的孔隙率和平均孔径都很高。在 700 °C 下生产的生物炭对 MFX、CIP 和 OFLX 具有很高的吸附性能。MFX、CIP 和 OFLX 的最大吸附容量分别为 135.56、151.31 和 116.40 mg/g。吸附性能可以用 Langmuir 等温线模型和假二阶动力学模型来描述。利用废竹生产的生物炭可作为去除喹诺酮类抗生素的低成本环保吸附剂。

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Facile Synthesis of Bamboo Biochar for Efficient Adsorption of Quinolone Antibiotics: Effects and Mechanisms.

The harmful effects of quinolone antibiotics on ecology and human health have attracted widespread attention. In this study, bamboo biochar synthesized at different pyrolysis temperatures was used to remove quinolone antibiotics (moxifloxacin (MFX), ciprofloxacin (CIP), and ofloxacin (OFLX) as models). The pyrolysis temperature of 700 °C led to a high pore volume and average pore size of biochar. The biochar produced at 700 °C presented high adsorption properties for MFX, CIP, and OFLX. The maximum adsorption capacities for MFX, CIP, and OFLX were 135.56, 151.31, and 116.40 mg/g, respectively. The adsorption performance could be described by the Langmuir isotherm model and pseudo-second-order kinetic model. Biochar produced from waste bamboo could be applied as low-cost environmental adsorbents for quinolone antibiotics removal.

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来源期刊

ACS Omega Chemical Engineering-General Chemical Engineering

CiteScore

6.60

自引率

4.90%

发文量

3945

审稿时长

2.4 months

期刊介绍： ACS Omega is an open-access global publication for scientific articles that describe new findings in chemistry and interfacing areas of science, without any perceived evaluation of immediate impact.