介绍一种循环悬浮式半干法烟气净化系统，该系统已完成了中试及工业应用。

A flue gas purification system by using circulatory suspension type semidry method has been presented the intermediate test and commercial application of said system being accomplished.

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本文对铝电解烟气净化系统控制技术的现状进行了分析，并介绍了一种新型的控制系统。

This paper analyzes the current state of control technology of fume cleaning system for aluminium reduction, And introduces a new control system.

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