Sulfuric acid is black in color

2015-10-03View Original

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Acid production using sulfur concentrate: the sulfuric acid in the two absorption towers is black in color. What could be the reason? Waiting for an answer online……

Reply #22015-10-04

Check the operation of the electric demister and increase the operating current of the electric field. (Excluding issues other than the occasional introduction of items such as oil, butter, and cotton fabrics into the secondary suction circulation tank).

Reply #32015-10-04

I encountered this issue before; it took a long time to diagnose and fix it.

Reply #42015-10-04

Too much lubricating oil was added to the 98% circulating acid pump, and it ended up in the circulating acid tank

Reply #52015-10-04

Waiting online – please give a prompt response as well

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Sulfuric acid is black in color

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