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"Our goal is not to discharge a ton of material, and there is no need to enter the tank to clear the material after the manhole is opened
In order to achieve this goal, on March 15th, after the PTA combined unit of the plant entered the stage of full material return and emptying, by increasing the washing time, optimizing the material returning process, and improving the effect of alkali cleaning, the PTA material was recovered by a multi-pronged approach.
"After washing, we also need to feed alkali into the system to dissolve and loosen some scaled and agglomerated materials
On the one hand, they use low-temperature alkaline cleaning to protect equipment and reduce possible corrosion