Aug 4, 2014
Chemical Project on Cryogenic Air Separation
This project describes the cryogenic air separation to its components (Nitrogen, Oxygen and Argon). A special attention was devoted to the separation of argon. In theoretical part we included information about air properties, separation process, air cooling, air clearing, distillation of air, products of air and their application and other aspects of air separation. You can also Subscribe to FINAL YEAR PROJECT'S by Email for more such projects and seminar.
In practical parts we have described: Thermodynamic of air separation, in this section the Peng‐Robinson state equation for calculation of equilibrium coefficient of nitrogen and oxygen system was used. And also the isobarict, xy and x,y diagrams of N2‐O2 and Ar‐O2 binary systems at different pressures were analyzed. After that we Calculated air distillation by McCabe‐Thiele method, and Enthalpy balance of reboiler and total condenser was done.
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Aspen simulation of air separation process forms the core of this work. The process flow sheet including heat exchange and cryogenic separation was designed. Material and enthalpy balance calculations in steady state were made for all basic process equipment. The work contents the results of process simulation including results of material and enthalpy balances, temperature and composition profiles in all columns. The optimal parameter of distillation column such as reflux ratio, number of theoretical stages and feed stages were set.
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