Liquid-vapor equilibria in the AsCl3-HCl-H2O system |
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| Authors: | V. N. Potolokov V. A. Efremov S. V. Nikolashin T. K. Menshchikova E. G. Zhukov V. A. Fedorov |
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| Affiliation: | (1) Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia |
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| Abstract: | The liquid-vapor equilibria in the AsCl3-HCl-H2O system have been studied by a flow method at high hydrogen chloride concentrations (above 20 wt %) over the entire arsenic trichloride solubility range at temperatures from 25 to 105°C and a pressure of 1.013 MPa. The composition effects on the parameters of the liquid-vapor equilibria have been assessed, and the conditions for the most effective recovery of arsenic trichloride from hydrochloric acid solutions by distillation were established. |
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