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优化O₃-UV工艺,以一种新的微流体实验系统来处理废水,以尽量减少能源消耗:化学氧化与先进氧化

Jinyu Shi¹, Zhimin Qiang², Yanjun Jiang³

¹Key Laboratory of Environmental Aquatic Chemistry, State Key Laboratory of Regional Environment and Sustainability, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China.

|August 20, 2025

概括

这项研究优化了臭氧紫外线 (O3-UV) 处理废水的过程,平衡了臭氧和基对能源效率的贡献. 这些发现使废水处理厂能够减少能源消耗,并朝着能源中立性迈进.

科学领域:

环境化学
水处理技术
高度氧化过程

背景情况:

臭氧紫外线 (O3-UV) 是二次废水 (SE) 的先进处理方法.
需要优化以平衡O3 (化学氧化) 和基 (HO•,高级氧化) 以提高能效.
在SE中耐火有机化合物对传统处理构成挑战.

研究的目的:

开发和使用一种新的微流体O3-UV系统 (MFOUS) 来优化SE处理.
通过O3-UV工艺研究耐火有机物的降解和提高SE的生物降解性.
为微调 O3-UV 操作参数建立能源消耗评估方法.

主要方法:

开发一个基板规模的微流体O3-UV系统 (MFOUS).
关键参数的调整:O3质量负荷 (ML) 和紫外线流量 (Fp).
对三个SE的化学氧气需求 (COD) 减少和BOD/COD比率的提高进行了调查.

主要成果:

MFOUS允许准确地确定和调整ML和FP.
针对具体的COD减少目标和能源效率确定了优化的O3-UV参数.
在SE-1中,用0. 340kg m-3的ML和0. 009 einstein m-2的Fp实现了40%的COD降低,消耗7. 29kWh m-3.

结论:

这项研究提供了一种优化O3-UV过程的方法,以节省废水处理中的能量.
微调操作参数平衡了O3和HO的贡献,以实现高效的耐火有机化合物降解.
这种优化支持废水处理厂实现能源中立的未来目标.

关键词:

节约能源微流体实验系统操作参数优化臭氧紫外线过程废水的先进处理

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