Method and device for regeneration of hydrochloric acid

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10494259
SERIAL NO

15024755

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Abstract

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The subject matter of the present invention is a method to extract or recover hydrochloric acid from hydrochloric acid solutions containing metal by means of pyrohydrolytic treatment, followed by absorption and/or condensation of the gaseous hydrogen chloride thus formed in order to form hydrochloric acid. According to the invention, a first partial flow of the hydrochloric acid solution containing metal undergoes pyrohydrolytic treatment and a second partial flow of the metal-containing solution is fed to the absorption column. A device for implementing the process according to the invention is also the subject of the present invention.

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Patent Owner(s)

  • ANDRITZ AG

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barhold, Frank Siegersdorf, AT 3 11

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