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:: Volume 23, Issue 5 (11-2015) ::
Journal of Ilam University of Medical Sciences 2015, 23(5): 27-35 Back to browse issues page
The Study of the Performance of Iranian Clinoptilolite Zeolite in Removal of Nitrogen Oxide (NOx) from Stack of Industries by Using Selective Catalytic Reduction System (SCR)
Naser Ghasemian1 , Heshmatollah Nourmoradi * 2
1- University of Bonab
2- Ilam University of Medical Sciences , Ilam_nourmoradi@yahoo.com
Abstract:   (7954 Views)

Introduction: There are various methods for NOx abatement from flue gas among which the catalytic methods are more conventional. SCR-NOx (Selective catalytic reduction of NOx) is one of the catalytic methods. In this research for the first time, natural clinoptilolite zeolite was used in order to the NOx abatement using methane as reducing agent.

Materials & methods: The chemical modification of the zeolite is conducted by ion-exchange and calcination methods. The catalytic behavior of the sample was investigated using the integral fixed bed catalytic reactor in flow rate of 400 ml/min at temperature range of 200-500°C.

Findings: The protonated Iranian clinoptilolite zeolite showed a promising performance for NOx reduction via selective catalytic reduction by Methane. The corresponding temperature of maximum activity (63% conversion of NOx to N2) was 450 °C at a low GHSV of 20,280 h-1.

Discussion & Conclusion: The results showed that this zeolite and its preparation method is an effective method for NOx abatement in comparison with other methods. 

Keywords: Catalytic reduction, Nitrogen oxide, Clinoptilolite, Zeolite, Fixed bed reactor
Full-Text [PDF 756 kb]   (4140 Downloads)    
Type of Study: Research | Subject: Environmental health
Received: 2015/01/5 | Accepted: 2015/04/20 | Published: 2015/11/10
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Ghasemian N, Nourmoradi H. The Study of the Performance of Iranian Clinoptilolite Zeolite in Removal of Nitrogen Oxide (NOx) from Stack of Industries by Using Selective Catalytic Reduction System (SCR). J. Ilam Uni. Med. Sci. 2015; 23 (5) :27-35
URL: http://sjimu.medilam.ac.ir/article-1-2429-en.html


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Volume 23, Issue 5 (11-2015) Back to browse issues page
مجله دانشگاه علوم پزشکی ایلام Journal of Ilam University of Medical Sciences
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