可持续吸附剂:从废弃的聚烯泡中获得活性碳,以有效地去除
Yu Shuang Ren1, Qi He2, Wanying Liao3
1School of Economics and Management, Jilin Jianzhu University, ChangChun, China.
Microscopy research and technique
|December 12, 2024
概括
废弃物中的活性碳 聚烯泡有效地从水中去除 (Al3+). 这种可持续吸附剂具有高容量,可以再生,为废水处理提供了一个有前途的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 水处理技术水处理技术
背景情况:
- 水溶液中的 (Al3+) 污染引起了环境和健康方面的担忧.
- 开发具有成本效益和可持续的吸附剂对于有效的重金属去除至关重要.
- 废物材料为创建新型吸附材料提供了潜在的来源.
研究的目的:
- 为了研究从废弃石膏泡中提取的活性炭 (AC) 从水溶液中吸附离子 (Al3+) 的有效性.
- 描述交流材料并分析影响Al3+吸附的因素.
- 为了评估该过程的吸附动力学,同热量和热力学参数.
主要方法:
- 批量吸附实验是使用从废弃的聚烯泡中合成的AC进行的.
- 交流电路的表征涉及富里埃变换红外光谱学,扫描电子显微镜和表面积分析.
- 吸附性能通过AC剂量,接触时间,pH值和温度等不同参数进行优化. 用火焰模式原子吸收光谱测量测量了Al3+度.
主要成果:
- 使用0.2g的AC在pH值5,60°C和90分钟的接触时间实现了最佳的Al3+去除 (98.65%).
- 吸附动力学遵循伪二阶模型,平衡数据最适合兰格穆尔等温模型 (R2 = 0.995).
- 热力学分析显示了自发和外热吸附过程.
结论:
- 废弃物中的活性碳 聚烯泡是一种高效和高效的吸附剂,用于从废水中去除离子.
- 该AC具有很高的吸附能力,可以再生,证明其作为可持续的替代吸附剂的潜力.
- 该研究证实了利用废旧聚烯泡用于环境修复应用的可行性.
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