Method for producing ferric trichloride solution through industrial automatic control
An industrial automation and ferric chloride technology, applied in the chemical industry, can solve the problems of high labor intensity, excessive heavy metals, and poor equipment, and achieve the effects of reducing the content of heavy metals and free acids, improving product quality, and reducing product impurities
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[0026] The technical solutions in the embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0027] to combine figure 1 Shown, the method for industrial automation control production ferric chloride solution, concrete steps are as follows:
[0028] S1 Pump the waste hydrochloric acid after steel pickling into the plate and frame filter press through the closed pipeline to filter, and the filtered filter residue and the sediment in the waste acid pool are treated in a centralized manner;
[0029] S2 Put the filtered waste hydrochloric acid and excess i...
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