To rapidly determine the pollution extent of wastewater, the potential of near infrared(NIR) spectroscopy for measurement of chemicaloxygendemand(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。
2
The influence factors of chemicaloxygendemand (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。
3
A method based on all band ultraviolet scanning for measuring water chemicaloxygendemand (COD) was introduced, and the method was applied to develop an on-line COD measuring instrument.