Nano Archive

Synthesis of nano-sized ZrO2 and its use as catalyst support in SCR

Djerad, S and Geiger, B and Schott, F. J. P. and Kureti, S (2009) Synthesis of nano-sized ZrO2 and its use as catalyst support in SCR. Catalysis Communications, 10 (7). pp. 1103-1106.

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The present paper presents a simple method for the reliable preparation of nano-scaled ZrO2. In this wet synthesis, a stable Zr sol is produced by using a mixture of Zr(OC3H7)4, HNO3 and H2O. Precipitation is firstly achieved when ammoniac conditions are adjusted. Zirconia is formed by annealing the gel-like product at 200 °C resulting in agglomerated particles. De-agglomeration is simply achieved by ultrasonic exposure leading to particles of about 60 nm revealing a BET surface area of 150 m2/g. The beneficial effect of this nano-sized material as compared to bulk ZrO2 is shown in SCR using corresponding Fe2O3/ZrO2 patterns.

Item Type:Article
Uncontrolled Keywords:Nano-sized ZrO2; Wet synthesis; SCR; Fe2O3/ZrO2; Catalyst
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanochemistry
Material Science > Nanostructured materials
ID Code:3956
Deposited By:SPI
Deposited On:08 Apr 2009 11:23
Last Modified:08 Apr 2009 11:23

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