From hydrochloric acid to hydrogen chloride

[donaldcat]

It is easy to produce hydochloric acid from hydrogen chloride by simply dissolving it into water or even with room humidity, it is sufficiently to form dense white fumes of hydrochloric acid.

But is it possible to produce or extract hydrogen chloride from hydrochloric acid?
(At best, a cheap and efficient method which can be scaled up to industrial scale)

Many thanks and I am not sure if this belong to homework section as this is not a homework...

 

[Nemus]

It will be a really dumb industrial procedure because you prepare the acid by dissolving the gas in water. If you add concentrated sulfuric acid to hydrochloric acid you'll be able to dry it and collect the HCl gas but it doesn't make sanse.