在乙烯废水中对Cr (VI) 进行有效的分析预处理,采用g-C3N4 基于合剂修改的玄武岩基质材料 (玄武岩-MTES/g-C3N4) 的材料
Zheng Wang1, Mingchang Jia1, Yi Ren1
1Department of Chemical Engineering, Hebei Petroleum University of Technology, Chengde 067000, China.
Molecules (Basel, Switzerland)
|June 13, 2025
概括
一种基于玄武岩的新型复合材料有效地从工业废水中去除六价 (Cr(VI)). 这种可回收材料为环境修复和精确的CrVI监测提供了具有成本效益的解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 环境化学环境化学
- 纳米技术纳米技术
背景情况:
- 六价 (Cr(VI)) 构成重大环境和健康风险,需要有效地从工业废水中去除.
- 现有的Cr(VI) 清除方法经常面临成本,效率和可回收性方面的挑战.
- 开发新型复合材料对于先进的废水处理技术至关重要.
研究的目的:
- 为了合成和表征一种新的基于玄武岩的植入式石墨碳化物复合物 (玄武岩-MTES/g-C3N4),用于高效的CrVI预处理.
- 调查复合物的吸附机制和Cr (VI) 去除的性能.
- 评估材料的可回收性和工业废水处理的潜力.
主要方法:
- 通过酸性净化玄武岩,MTES修改和g-C3N4移植合成玄武岩-MTES/g-C3N4复合物.
- 使用确认材料结构,表面积和粘合的技术进行表征.
- 在酸性条件下进行吸附实验,以研究Cr (VI) 去除的动力学和同热量.
- 评估Cr(VI) 回收和材料再生效率.
主要成果:
- 玄武岩-MTES/g-C3N4复合物表现出高特异性表面积 (403.55 m2/g) 和中孔结构.
- 在酸性条件下发生了最佳的Cr (VI) 吸附,遵循伪二次动力学和兰木尔异温模型.
- 复合材料在5个再生周期后实现了97%的Cr(VI) 恢复,并保持了96.87%的去除效率.
结论:
- 开发的巴萨尔特-MTES/g-C3N4复合物是一种具有成本效益,可回收和高效的材料,用于乙烯废水中的Cr (VI) 预处理.
- 玄武岩和g-C3N4的协同特性增强了Cr (VI) 的吸附和去除.
- 这种材料显示出可持续废水处理和化学工业监管合规性的巨大潜力.
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