Operation of the system would be similar to that for the side-by-side configuration with the exception that wastewater would have to be pumped into the pretreatment tank.

该系统的运行方式与并行结构运行方式类似，不同的是需要将污水通过泵运输到预处理池中。

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Technical progress in the pretreatment technology, improvement of routine processes and other methods of wastewater treatment in petrochemical industry is reviewed.

介绍了石油化工污水治理在预处理技术、常规方法的改进及其他处理技术等方面的进展。

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A treatment of copper phthalocyanine wastewater through physical and chemical pretreatment and bio - chemical treatment process is described.

通过试验研究，提出了一种物化—生化法处理铜酞菁颜料废水的新工艺。

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