The productionofarsenic trioxide is controlled by electrics and instrument, with all electrical equipment, units and valves automatically controlled by DCS or remote operation.
By means of an example of controlling the tail gas from the productionofarsenic acid, this paper introduced the pretreatment, desulfurization and wastewater closed cycle of the control system.
通过砷酸生产中含硫尾气治理实例，介绍治理系统的预处理、 脱硫及废水封闭循环。
3
This article mainly describes testing results, process design and production aspects of bacterial oxidation extraction for a kind of arsenic flotation gold concentrate.