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耐受性和高度透的膜气化生物膜反应器由选择性装甲膜激活

Jinxin Yao¹, Yuchen Li¹, Liuqian An¹

¹State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China.

|March 5, 2025

概括

一种具有选择性装甲层的新型膜气化生物膜反应器 (MABR) 显著改善了氧气传输和污染抵抗. 这项技术提高了废水处理效率,并减少了可持续运营的能源消耗.

科学领域:

环境工程环境工程
生物技术是生物技术.
材料科学材料科学材料科学

背景情况:

膜气化生物膜反应器 (MABR) 在废水处理中节能,但面临着膜污染和氧气转移阻力方面的挑战.
现有的膜,包括微孔疏水型和密集型,在耐受性和透性方面存在局限性,阻碍了MABR的广泛应用.

研究的目的:

通过结合选择性装甲层来开发耐受性和高度透的膜气化生物膜反应器 (THMABR).
提高MABR中的氧气传输效率和防腐性,以改善废水处理.

主要方法:

在微孔支上开发了一种具有5μm选择性护甲层的氧选择性护甲膜 (OSAM).
对OSAM的氧气转移速率和对表面活性剂预处理的防腐性进行评估.
测试THMABR在城市废水处理中去除的性能.

主要成果:

与传统膜相比,OSAM实现了显著更高的氧气传输速率 (9.61 gO₂·m^-2)
OSAM表现出对水,表面活性剂和污染物的优越和稳定的防腐性.
THMABR有效地从市政废水中去除了,证实了其实际应用.

结论:

以OSAM为特色的THMABR设计克服了传统MABR中耐受性和透性之间的权衡.
这种创新的膜结构促进了高效的氧气传输和强大的防腐性,使低碳废水处理成为可能.
THMABR技术对稳定和节能的生物废水处理过程具有前景.

关键词:

气体透性膜膜是一种气体透性膜.这就是MABR的意义.移除的方法移除的方法转移氧气转移氧气.废水是废水,废水就是废水.

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