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Information Journal Paper

Title

The Effects of pH and Chelating Agent on Synthesis and Characterization of Ni Mo/γ-Alumina Nanocatalyst for Heavy Oil Hydrodesulfurization

Pages

  21-34

Abstract

 In this research, various organic additives (as a Chelating agent) were used to prepare NiMo/ 𝛾-Al2O3 bimetallic catalysts. Then effects of additives and pH variation were studied on textural properties, morphology, and size of nanocatalyst particles, interaction, and loading of active metals on a support. Additionally, this research evaluated the activity of catalysts and compared them with commercial and catalysts in the absence of additives. The metal oxide nanoparticles were prepared and impregnated on 𝛾-Al2O3 in-situ by using the wetness impregnation method, under conditions 60° C and calcination temperature 520° C. The supported nanocatalyst was calcined to remove the volatile materials and gases. The catalysts were characterized by TPR, BET, BJH, AAS, FT-IR, SEM, and XRD. The prepared nanocatalyst displayed the enhanced catalytic activity for the Heavy oil Hydrodesulfurization (HDS) containing 21 g/L sulfur. At the acidic pH, the activity of the catalyst was promoted by using EDTA compound as a Chelating agent. The sulfur content of the feed was decreased up to 2 g/L at 380° C, 60 bar, and LHSV 1. 5h-1 showing an efficient catalyst with the conversion of 90. 47%.

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    APA: Copy

    Sheibani, Soheila, ZARE, KARIM, & MOUSAVI SAFAVI, SEYED MAHMOUD. (2021). The Effects of pH and Chelating Agent on Synthesis and Characterization of Ni Mo/γ-Alumina Nanocatalyst for Heavy Oil Hydrodesulfurization. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), 40(1), 21-34. SID. https://sid.ir/paper/780394/en

    Vancouver: Copy

    Sheibani Soheila, ZARE KARIM, MOUSAVI SAFAVI SEYED MAHMOUD. The Effects of pH and Chelating Agent on Synthesis and Characterization of Ni Mo/γ-Alumina Nanocatalyst for Heavy Oil Hydrodesulfurization. IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE)[Internet]. 2021;40(1):21-34. Available from: https://sid.ir/paper/780394/en

    IEEE: Copy

    Soheila Sheibani, KARIM ZARE, and SEYED MAHMOUD MOUSAVI SAFAVI, “The Effects of pH and Chelating Agent on Synthesis and Characterization of Ni Mo/γ-Alumina Nanocatalyst for Heavy Oil Hydrodesulfurization,” IRANIAN JOURNAL OF CHEMISTRY AND CHEMICAL ENGINEERING (IJCCE), vol. 40, no. 1, pp. 21–34, 2021, [Online]. Available: https://sid.ir/paper/780394/en

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