用贝他因修改的La-化费里化物用于高效地去除酸盐到超低水平
Xiaohui Wang1, Xue Li1, Baoxue Zhou1
1State Key Laboratory of Green Papermaking and Resource Recycling, School of Environmental Science and Engineering, National Observation and Research Station of Erhai Lake Ecosystem in Yunnan, Shanghai Jiao Tong University Yunnan Dali Research Institute, Shanghai Jiao Tong University, Shanghai 200240, China.
Water research
|January 23, 2026
概括
一种新型的贝他因修饰的酸化氧化 (Bme-LaHFO) 吸附剂有效地去除废水中的低酸盐度. 与传统方法相比,这种新材料显著提高了酸盐去除能力和处理量.
科学领域:
- 环境化学环境化学
- 材料科学 材料科学 材料科学
- 水处理技术水处理技术
背景情况:
- 缩控制需要在废水中将酸盐去除到<0.1 mg P/L.
- 传统的吸附剂,如化铁氧化物 (HFO),由于质量转移限制和硬质障碍,与低酸盐度作斗争.
- 现有的方法不足以满足严格的酸盐排放法规.
研究的目的:
- 开发一种高性能吸附剂,有效地去除低度的酸盐.
- 用一种新型改性材料研究酸盐吸附的机制.
- 评估开发的吸附剂的实际应用性和经济可行性.
主要方法:
- 合成贝他因修饰的合兰的水合铁氧化物 (Bme-LaHFO).
- 吸附剂特性和吸附性能的表征.
- 研究吸附机制,包括界面相互作用和复杂化.
- 使用二次废水废水和技术经济分析的专研究.
主要成果:
- Bme-LaHFO的吸附能力比HFO高4.6倍 (98.6毫克/克).
- 吸附剂表现出广泛的pH适应性 (pH3-11),高选择性和优异的再生能力 (>90%在5个循环后).
- 柱体测试从0.6 mg P/L的输入度中获得了<0.1 mg P/L的酸盐含量,处理能力比HFO高8倍.
结论:
- 贝他因修饰和兰兴奋剂显著提高了酸盐吸附性能.
- 开发的Bme-LaHFO吸附剂为废水处理中严格的酸盐去除提供了一个有前途的解决方案.
- 这项研究为设计用于氧离子去除的先进吸附剂提供了洞察力.
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