Cold and hot effluents mixing model was set up, which expressed the function related to coldeffluent concentration in mixed effluent and temperature drop of hot effluent.
建立了冷热两种物流混合过程的数学模型，找到了混合物流中冷介质的摩尔分数与热物流温降的函数关系。
2
The source of cold rolling wastewater was analyzed, the difficulties in dealing with cold rolling wastewater including selection of process, effluent quantity and quality of wastewater were indicated.