The essay introduces the theory of reuse of dust-removing wastewater of coal based boiler and its applied technique which has been test-running in Changde Cigarettes Factory for one year.
本文介绍燃煤锅炉除尘废水的循环利用原理、应用技术及其在常德卷烟厂进行生产性试验一年来的结果。
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The gas evolution test method has the advantage that the effective coaldust content in green sand can be determined rapidly and accurately.