The process begins by feeding the mixed butane stream through two distillation columns to achieve pure n-butane. A catalyst, vanadium phosphorous oxide, assists in this reaction, adsorbing oxygen onto its surface to enable its reaction with n‑butane. The simulation software Aspen Plus by AspenTech was the primary software used to design the plant, and the CAPCOST program in Microsoft suite’s Excel was utilized for the economic review of the process.Maleic anhydride is produced by the thermal oxidation of n-butane at an elevated temperature and pressure, in this case 375☌ and 20 bar. This design team has been asked to produce a conceptual design, simulation, and profitability analysis for the proposed plant.
The plant is to produce 40,000 metric tons per year of maleic anhydride from a mixture of excess butanes.
AbstractGamecock Chemical Company has proposed the construction of a maleic anhydride plant at its Houston refinery.
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