Effect of Sintering Temperature on MAl₂O₄ Catalysts Used for the Catalytic Pyrolysis of Microalgae

Abstract:

A series of MAl₂O₄ (M=Ni²⁺ and Mg²⁺) catalysts with high catalyst activity was prepared via co-precipitation. Higher sintering temperature is favorable to catalyst activity. As-prepared MAl₂O₄ catalysts were characterized by X-ray diffraction, scanning electronic microscopy, and BrunauerEmmettTeller method. MAl₂O₄ catalysts were evaluated using the heating values of bio-oils derived from the catalytic pyrolysis of microalgae. The heating value of the bio-oils is enhanced along with the increased sintering temperature of MAl₂O₄ catalysts. The highest heating value using MAl₂O₄ catalysts sintered at 700 °C was 36.298 MJ/kg, which was higher than the value when using ZSM-5.

• Periodical: Advanced Materials Research (Volume 773)
• Pages: 508-513
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.773.508
• Online since: September 2013
• Authors: Yu Wei Zha, Juan Liu, Xiu Qin Yang, Xia Li
• Keywords: Catalytic Pyrolysis, Heating Value, MAl₂O₄, Sintering Temperature

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