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چکیده
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The small solubility of gases such as helium, argon and nitrogen in light hydrocarbons makes it possible to use Henry’s law to check the solubility of these systems. In this work, the Henry’s constant of helium, argon and nitrogen gases at some temperatures was calculated using the PR78 equation. The binary interaction parameter was calculated by fitting the equation of state on experimental solubility data. The results showed that the Henry’s constant of helium was strongly temperature dependent and decreased with increasing temperature, However, the Henry’s constant of argon increased with temperature, which is due to reduction of argon solubility with increasing temperature. Henry’s constant of Nitrogen did not have a particular trend with temperature changes.
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