Conversion of poisonous gases for samands car with dual fuel system to innocuous gases with (La,Ce)(Pd,Co,Fe,Mn)O٣ - perovskite catalysts and its comparison to imported catalyst of Iran Khodro

Subject Areas : Water and Environment

Arsia Khanfekr ¹ , Kaveh Arzani ² , Ali Nemati ³ , Morteza Hossaini ⁴

1 - کارشناس ارشد مهندسی مواد سرامیک، دانشگاه علوم و تحقیقات
2 - Department of Metallurgy and Materials Engineering, Science and Research Branch, Islamic AZAD University - Tehran – Iran- Member of Young Researchers Club
3 - Department of Materials Science and Engineering, Sharif University of Technology - Tehran – Iran
4 - Department of Materials Science and Engineering, Sapco, Iran Khodro Company - Tehran – Iran

Received: 2008-04-27 Accepted : 2008-09-16 Published : 2009-09-23

Keywords: Perovskite, catalyst convertor, Ceramic monolith, Dual Fuel System for automobil, Air pollution,

Abstract :

In this project work on Prototype Production ofCatalyst Converter for samand automobiles’ dual fuelsystem. La (Fe,Co,Ce,Pd)O-3 perovskite catalyst withABO3 structure was prepared by the citrate routewithout use of Pt and Rh and only used Pd(2.64 g).Then deposited on ceramic monoliths according to adip coating procedure. Then test catalyst on samandcar with XU7 motors model and measured the amountof emission with (AVL) test at Sapco Company.Compared the catalyst with imported catalysts of Irankhodro company with noble metals such as Pd, Ptand Rh by Euro III standards. In conclusion Perovskitecatalysts reduces emission better than importedcatalysts, with lower emission and price.Monolite of catalysts were characterized by specificsurface area measurements (BET), and X-raydiffraction (XRD) and X-ray fluorescence (XRF), andcoat characterized by scanning electron microscopy(SEM), LINE SCAN and MAP that illustrate interfacebetween coat and base.

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