Abstract:

In order to effectively reduce fresh water consumption and parallel processing flow rates of regeneration in a batch water system with multi-contaminant, a superstructure and its optimization design method for a batch water system with multi-contaminant were proposed, which featured parallel processing for continuous regeneration of wastewater with different qualities.Buffer tanks and regeneration units were installed to accomplish separate wastewater processing depending on wastewater quality.A mathematical programming model was established to reduce fresh water consumption and regeneration processing flow rates.An example problem was solved by commercial software GAMS.The computational results showed that the proposed method could deal with the batch water system with wastewater parallel processing in accordance to water quality effectively.Minimal fresh water consumption and regeneration flow rates can be achieved simultaneously.

Key words:

多杂质, 间歇用水网络, 连续再生/再循环, 优化

摘要：

为了有效地减少多杂质间歇用水系统的新鲜水消耗量和再生处理量，针对多杂质间歇过程用水网络提出连续操作并联再生处理单元水网络结构模型及其优化设计方法。通过在用水网络中设置中间储罐和再生单元以实现对不同水质废水并联分质处理，建立了减少用水系统的新鲜水用量和再生水量以及废水排放量的数学规划模型，采用GAMS软件对一个实例进行求解。计算和分析表明：提出的水网络结构与优化设计方法可有效地解决按水质对废水进行并联处理的间歇用水系统，使系统的新鲜水用量和再生水流率同时达到最小。

关键词:

多杂质, 间歇用水网络, 连续再生/再循环, 优化