Preparation and Characterization of ZrO2 Polycrystalline Ceramic Foam Catalyst for Production of Biodiesel

Yun Pu Wang, Yu Huan Liu, Roger Ruan, Shi Tao Liu, Ping Wei Wen, Yi Qin Wan

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Characteristics of ZrO2 polycrystalline ceramic foam catalyst including crystal structure, phase composition, and microstructure were analyzed by Py-IR, XRD, SEM, and BET. Effects of preparation conditions such as calcination temperature, calcination time, ZrO2 (catalyst matrix), Al2O3 (flux), TiO2 (stabilizer), NaHCO3 (low-temperature pore-forming agents), and NaCl (high-temperature pore-forming agents) on catalytic activity were investigated. The optimum composition of ZrO2 polycrystalline ceramic foam catalyst were optimized using response surface methodology (RSM) to be 88.47% ZrO2, 9.62% Al2O3, 3.31% TiO2, 10% NaHCO3, and 25% NaCl (compared with the standard number 100). After calcination at 1550°C for 120 min, fatty acid methyl ester conversion rates were substantially maintained at around 97.31%, The FAME content in the product oil exceeded 97% after five successive reuses of the catalyst. In addition, catalytic activity did not significantly fluctuate. The proposed catalyst presents a new type of solid catalyst with excellent catalytic activity and stability.

Original languageEnglish (US)
Pages (from-to)1506-1512
Number of pages7
JournalSynthesis and Reactivity in Inorganic, Metal-Organic and Nano-Metal Chemistry
Issue number10
StatePublished - Oct 2 2016


  • ZrO
  • biodiesel
  • catalyst
  • polycrystalline ceramic foam

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