The first Dorr-Oliver single-tank reactor installation was based on a small-scale pilot-plant study done in 1959.
第一个多尔-奥利佛单槽反应器是以1959年完成的小型试验为基础的。
In this study, a biological process for controlling the concentration of residual nitrogen in coke-plant wastewater was investigated on a bench scale and through pilot plant experiments.
本文通过小试及中试，对焦化疲水的生物脱氮处理进行了研究。
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