2 replies to this topic

[S.R.Shah]

Hello

 

Working on concentration of 4% HCl to 21%HCl

 

Searched literature on Google to Find Appropriate vacuum to evaporate water and removal from HCl to get concentrated acid. but not got

 

Please help in this matter

 

Thanks in Advance 

 

Warm Regards

 

SRSHAH

Edited by S.R.Shah, 30 October 2017 - 11:27 AM.

[Saml]

Look at these. May be useful.

 

http://www.jacobs.co...ncentration.pdf

 

On the following publication you have thermodynamic constant you may use

 

http://www.cjche.com...Type=PDF&id=525

 

And and old publication about azeotropes from American Chemical Society (1952)  list the following values:

:

50 mm Hg - 48.7 °C - 23.4%

250 mm Hg - 81.2 °C - 21.9%

760 mmHg - 108.6 °C - 20.2%

[S.R.Shah]

Sami

 

Thanks for your help

 

Checking the same 

 

SRShah