在原始的生物炭上吸收四种抗生素,这些生物炭来源于麦卡达米亚坚果
Pham Thi Le Na1, Nguyen Do Kim Tuyen1, Bao-Trong Dang1
1Faculty of Chemical Engineering, Ho Chi Minh City University of Technology (HCMUT), 268 Ly Thuong Kiet Street, District 10, Ho Chi Minh City, Vietnam; Vietnam National University Ho Chi Minh City, Linh Trung Ward, Thu Duc City, Ho Chi Minh City, Vietnam.
麦卡达米亚坚果生物炭有效地从水中去除诸如西普罗夫洛克萨之类的抗生素. 这种可持续的材料对环境修复和碳捕获应用具有前景.
科学领域:
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 水中的抗生素污染对环境和健康构成重大风险.
- 从农业废物中提取的生物炭为污染物清除提供了可持续的解决方案.
- 麦卡达米亚坚果代表了生物炭生产中未充分利用的生物质资源.
研究的目的:
- 为了研究麦卡达米亚坚果的吸附特性,生物炭可以去除四种常见的抗生素:西普罗夫洛克萨,奥洛克萨,硫甲和三甲.
- 评估生物炭在环境修复和碳捕获方面的效率.
- 为了比较不同抗生素在生物炭上的吸附动力学和机制.
主要方法:
- 马卡达米亚坚果的热解在600°C以产生生物炭.
- 生物炭性质的表征,包括表面积和元素组成.
- 应用贝叶斯非线性回归,二阶动力学和兰格穆尔模型来分析合数据.
- 使用概率密度分布比较抗生素吸附系数.
主要成果:
- 生产的生物炭表现出高表面积 (392 m2 g−1) 和丰富的碳/氧含量,适合修复和封存.
- 麦卡达米亚坚果生物炭在中性pH下从水中去除抗生素方面表现出显著的有效性.
- 贝叶斯估计成功地区分了四种抗生素的吸附行为.
结论:
- 麦当利亚坚果生物炭是一种有前途的吸收剂,可以从水中去除抗生素和潜在的其他新出现的污染物.
- 该研究强调了生物炭在综合环境修复和碳捕获战略中的潜力.
- 这些发现支持在废水处理应用中使用可持续的生物炭材料.
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