MEASUREMENT AND CORRELATION OF THE ACTIVITY COEFFICIENTS OF H^+ AND HSO_3^- IN CONCENTRATED AQUEOUS SOLUTIONS OF NaCl

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概要

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• The activity coefficients of HSO3– and H+ were determined in concentrated aqueous solutions of NaCl in order to provide a theoretical basis for using sea water as a solvent in flue gas desulfurization processes.The activity coefficient of HSO3– was determined at 313 K and 323 K by measuring the pH of mixtures of NaCl, H2O and small amounts of NaHSO3 at a known partial pressure of SO2. The activity coefficient of H+ was determined over a temperature range of 296 K–333 K by measuring the pH of mixtures of NaCl, H2O and small amounts of HCl.As the ionic strength increased, the activity coefficient of HSO3– decreased while that of H+ increased. The Pitzer Equation could correlate the activity coefficients of both species with reasonable accuracies for practical use.

• 社団法人 化学工学会の論文
• 1996-08-30

著者

• HIROHAMA Seiya

  Chiyoda Corp.

• TAKEDA Dai

  Chiyoda Corp.

• IWASAKI Mamoru

  Chiyoda Corp.

• KAWAMURA Kazushige

  Chiyoda Corp.

• HIROHAMA Seiya

  Chiyoda Corp

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• A STUDY OF MASS-TRANSFER IN THE EXTRACTION OF IMPURITIES FROM ETHANOL AQUEOUS SOLUTION BY CARBON DIOXIDE AS A SOLVENT
• MEASUREMENT AND CORRELATION OF THE ACTIVITY COEFFICIENTS OF H^+ AND HSO_3^- IN CONCENTRATED AQUEOUS SOLUTIONS OF NaCl

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