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Prarancangan Pabrik Diisopropil Eter Dari Aseton Proses Hidrogenasi-Eterifikasi Dengan Desain Alat Utama Kolom Distilasi Dipe-Aseton (T-103)
Pre-design of a Diisopropyl Ether Plant with the Main Equipment Design of a DIPE-Acetone Distillation Column (T-103) has a production capacity of 56,000 tons/year. The raw material used in designing a diisopropyl ether factory is acetone (C3H6O) and hydrogen (H2). The processes used are the Hydrogenation and Etherification processes. The raw material preparation process begins by changing the pressure and temperature of acetone and hydrogen to 35 atm and 93.33oC. Acetone and hydrogen are flowed to a single pass fixed bed reactor to carry out the hydrogenation process to become isopropyl alcohol (IPA) with a Raney nickel catalyst. The isopropyl alcohol formed is then flowed to a fixed bed multitube reactor to carry out the etherification process with the amberlyst-15 catalyst to produce diisopropyl ether (DIPE). The output from the reactor is then flowed to distillation I to separate DIPE and IPA using the principle of boiling point difference. The separated DIPE is then flowed to distillation tower II to be purified. Meanwhile, the IPA is flowed to distillation tower III to be separated from the water. The DIPE that has been purified is flowed to the DIPE storage area, while the IPA that has been separated from the water is recycled back to the fixed bed single pass reactor to be reacted again into DIPE. The process The results of the economic feasibility analysis from PT. YRH 22 is pay back period is 3.67 years, Internal Rate of Return is 22.56%, Return of Investment is 27.84%, Break Even Point is 55%.
Keywords: Acetone, Hydrogenation, Etherification, Isopropyl Alcohol, Diisopropyl Ether.
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