HCL gas is generated through the fluctuations of azeotropic concentration of HCL acid in respond to different pressures.
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HCL gas is generated through the fluctuations of azeotropic concentration of HCL acid in respond to different pressures.
HCL acid is concentrated under negative pressure, while HCL gas is stripping out under positive pressure. But this method requires a larger investment and a higher steam consumption compared with the extraction method.
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