How is the amount of an azeotrope determined? Are there any calculation methods?
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For example: Currently, an azeotropic distillation of ethanol and water is being simulated, with benzene used as the azeotrope-forming agent. Benzene and water form an azeotrope. It is known that the ethanol flow rate is 15.2 Kmol/hr, while that of water is 5.35 Kmol/hr. What determines the flow rate of the azeotrope-forming agent, benzene?
It can be determined based on the azeotropic composition of benzene and water
Now, extraction distillation is used less often; molecular sieves are the most commonly used, and molecular sieve membranes (osmotic vaporization) are also used