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本文以制糖、制酒、造纸等轻工污染源密集的我国西南某河段的监测和调查结果为实例,通过排污特征矩阵,研究了工业污水排放规律。介绍了建立BOD-DO模型所采用的方法。模型中除考虑了生化耗氧作用对C·N BOD去除的影响外,还考虑了沉淀、絮凝、冲刷、再悬浮等因素的影响,以使模型结构具有普遍性。运用分量模拟方法研究了糖、酒、纸污染源对河流BOD和DO的影响。
In this paper, the results of monitoring and investigation of a certain river section in southwestern China where pollution from light industry such as sugar refining, winemaking, and papermaking are intensive are taken as examples, and the emission patterns of industrial wastewater are studied through the characteristic matrix of pollutant discharge. Introduced the method used to establish the BOD-DO model. In addition to considering the effect of biochemical oxygen demand on the removal of C·N BOD, the model also considers the influence of factors such as precipitation, flocculation, erosion, and resuspension, so that the model structure is universal. The effect of sugar, wine and paper pollution sources on the BOD and DO of rivers was studied using component simulation methods.