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Inhibitory role of citric acid in the adsorption of tetracycline onto biochars: Effects of solution pH and Cu2+ by Zhang, Haojing; Lu, Taotao; Wang, Mengjie; Jin, Ruixia; Song, Yumeng; Zhou, Yanmei; Qi, Zhichong; Chen, Weifeng is a Materials Science article available to read on EtoBox.
What is Inhibitory role of citric acid in the adsorption of tetracycline onto biochars: Effects of solution pH and Cu2+ about?
Biochar, a cost-effective carbonaceous material, has shown great promise in many applications such as soil remediation and wastewater treatment. Citric acid in soil and water environments may affect interactions between biochar and organic contaminants (e.g., tetracycline). To evaluate the effect of citric acid on the adsorption of tetracycline onto biochars, this study investigated the adsorption behavior of tetracycline onto biochars of two different pyrolysis temperatures (300 and 450 °C, referred to as BC\_300 and BC\_450) in the present of citric acid, accompanying with the effects of solution pH and Cu 2+ . The results indicated that citric acid significantly inhibited the adsorption of tetracycline onto both biochars, that was mainly due to the multimechanisms including pore blocking effect, surface adsorption sites competition, and steric hindrance induced by citric acid. Moreover, citric acid more significantly suppressed the adsorption of tetracycline onto the two biochars at pH 9.0 than at pH 5.0 and 7.0. Because increasing pH could promote electrostatic repulsion between the negative tetracycline and the negatively charged surface of biochars. Cu 2+ had greater enhancin
Who reads Inhibitory role of citric acid in the adsorption of tetracycline onto biochars: Effects of solution pH and Cu2+?
It is typically read by researchers, students, and practitioners in Materials Science.
- Author
- Zhang, Haojing; Lu, Taotao; Wang, Mengjie; Jin, Ruixia; Song, Yumeng; Zhou, Yanmei; Qi, Zhichong; Chen, Weifeng
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0927-7757)
- Published
- 2020
- Language
- EN
- Field
- Materials Science (Physical Sciences)