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

Paper ID Volume ID Publish Year Pages File Format Full-Text
51542 46846 2009 4 PDF Available
Title
Synthesis of nano-sized ZrO2 and its use as catalyst support in SCR
Abstract

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.

Keywords
Nano-sized ZrO2; Wet synthesis; SCR; Fe2O3/ZrO2; Catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 7, 10 March 2009, Pages 1103–1106
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
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