The influence factors of chemical oxygen demand (COD) and removal effect of chroma during the wet air oxidation of degradation-resistant pesticide wastewater with high salinity were investigated.

采用湿式氧化技术研究高盐度、难降解农药废水在湿式氧化反应中COD去除率的影响因素及色度的去除效果。

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A method based on all band ultraviolet scanning for measuring water chemical oxygen demand (COD) was introduced, and the method was applied to develop an on-line COD measuring instrument.

介绍了一种基于紫外全波段扫描的水质化学需氧量(COD)测量技术以及运用该技术设计开发的在线COD测量仪器。

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To rapidly determine the pollution extent of wastewater, the potential of near infrared(NIR) spectroscopy for measurement of chemical oxygen demand(COD) in wastewater was investigated.

为快速确定废水的污染程度，研究了运用近红外光谱法测量废水化学需氧量（COD）的可行性。

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