从Catha edulis茎中开发的活性炭作为潜在的生物吸收剂从水溶液中去除活性红色45染料
Tadele Mihret1, Nigus Gabbiye1, Bisratewongel Tegegne2
1Faculty of Chemical and Food Engineering, Bahir Dar University, P.O Box 26, Bahir Dar, Ethiopia.
Scientific reports
|August 2, 2025
概括
来自Catha edulis茎的活性炭有效地从废水中去除反应性红色45染料. 这种废物衍生生物吸收剂实现了94.5%的去除,为织废水处理提供了可持续的解决方案.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 吸附科学 吸附科学
背景情况:
- 织品染料以有害化学物质污染水源.
- 开发有效和可持续的染料去除方法至关重要.
研究的目的:
- 为了研究来自Catha edulis茎的活性炭作为反应性红色45染料的生物吸收剂.
- 为了表征活性炭并优化染料去除条件.
主要方法:
- Catha edulis的茎被碳化并用酸化学激活.
- 描述包括FTIR,XRD,SEM,BET表面积和pHpzc的确定.
- 进行了批量吸附实验,以确定最佳条件并分析吸附同热量,动力学和热力学.
主要成果:
- 活性炭表现出高BET表面积 (496.316 m2/g) 和零电荷点 (pHpzc) 为4.82.
- 反应性红色45染料去除的最佳条件是pH3.05,吸附剂剂量10.5g/L,接触时间38.79分钟,初始染料度50.4 mg/L.
- 最大去除效率达到了94.5%,数据适合兰迈尔等温和和伪二次运动模型.
结论:
- 来自Catha edulis茎的活性炭是一种可行的和有效的生物吸收剂,用于反应性红色45染料.
- 这种废物衍生材料为处理织废水提供了一种可持续的方法.
- 该研究强调了农业废弃物利用对环境修复的潜力.
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