SELECTIVE OXIDATION OF N- BUTANE TO MALEIC ANHYDRIDE OVER A VANADIUM PHOSPHORUS OXIDE (VPO) CATALYST IN A FIXED BED REACTOR

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ALAVI S.M.; EMAMI L.; MOUSAVIAN SEYED MOHAMMAD ALI

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Journal: INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN) Year:2005 | Volume:16 | Issue:2 Page(s): 135-143

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Title

SELECTIVE OXIDATION OF N- BUTANE TO MALEIC ANHYDRIDE OVER A VANADIUM PHOSPHORUS OXIDE (VPO) CATALYST IN A FIXED BED REACTOR

Author(s)

ALAVI S.M. | EMAMI L. | MOUSAVIAN SEYED MOHAMMAD ALI | Issue Writer Certificate

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Abstract

In this research, oxidation of n-butane to maleic anhydride (MA) over vanadium-phosphorus oxide (VPO) catalyst ,prepared in an organic medium, was investigated in a fixed bed reactor. A comparative study has been conducted between promoted (promoted with molybdenum) and unpromoted VPO catalysts. It was observed that the molybdenum increases the selectivity toward MA .The most important phase of VPO catalyst for oxidation of n-butane to maleic anhydride is Vanadyl Pyrophosphate (VO) 2P2 O7 that obtain from Phosphohemihydrate VOHPO4 0.5 H2O. Experiments show that a catalyst having PN atomic ratio equal to 1.1, Mo/v weight ratio of 0.08,gives the maximum selectivity of 98%at a temperature of 425- 450°C and retention times1.28 (GHSV=2800 hr-1) and an inlet n-butane concentration of 1 % of nC4/Air . A kinetic model for the oxidation of n-butene to maleic anhydride on VPO catalyst was derived, which is in a reasonable agreement with experimental data.

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APA: Copy

ALAVI, S.M., EMAMI, L., & MOUSAVIAN, SEYED MOHAMMAD ALI. (2005). SELECTIVE OXIDATION OF N- BUTANE TO MALEIC ANHYDRIDE OVER A VANADIUM PHOSPHORUS OXIDE (VPO) CATALYST IN A FIXED BED REACTOR. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), 16(2), 135-143. SID. https://sid.ir/paper/65376/en

Vancouver: Copy

ALAVI S.M., EMAMI L., MOUSAVIAN SEYED MOHAMMAD ALI. SELECTIVE OXIDATION OF N- BUTANE TO MALEIC ANHYDRIDE OVER A VANADIUM PHOSPHORUS OXIDE (VPO) CATALYST IN A FIXED BED REACTOR. INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN)[Internet]. 2005;16(2):135-143. Available from: https://sid.ir/paper/65376/en

IEEE: Copy

S.M. ALAVI, L. EMAMI, and SEYED MOHAMMAD ALI MOUSAVIAN, “SELECTIVE OXIDATION OF N- BUTANE TO MALEIC ANHYDRIDE OVER A VANADIUM PHOSPHORUS OXIDE (VPO) CATALYST IN A FIXED BED REACTOR,” INTERNATIONAL JOURNAL OF INDUSTRIAL ENGINEERING AND PRODUCTION MANAGEMENT (IJIE) (INTERNATIONAL JOURNAL OF ENGINEERING SCIENCE) (PERSIAN), vol. 16, no. 2, pp. 135–143, 2005, [Online]. Available: https://sid.ir/paper/65376/en

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