测试了沉降上层澄清水悬浮物含量，以及沉降底层的压缩液固比。
The content of the suspended substance in the upper layer and the liquid-solid compression ratio of the bottom layer were measured.
根据沉降试验过程中澄清水层高度与沉降时间的关系，可推导出浓缩层浓度与沉降时间、沉降高度的关系。
The relationship of the density of compaction layer with the settling time and height isdeduced from that of the height of dear water layer with the settling time during the settling experiment.
通过对包钢给水厂澄清水处理系统的自动控制原理分析，论述了以原水流量为前馈、以SCD为反馈的自动优化投药系统的可行性和优越性。
It discusses the feasibility and advantages of the automatic optimization dosing system, which regards the original water flow as the feedforward and the SCD as the feedback.
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