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Journal of Environmental Management
Article . 2015 . Peer-reviewed
License: Elsevier TDM
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Journal of Environmental Management
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Selective autocatalytic reduction of NO from sintering flue gas by the hot sintered ore in the presence of NH3

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Dec 2015Publisher:Elsevier BVJournal:Journal of Environmental Management, volume 164, pages 146-150 (issn: 0301-4797, Copyright policy )
Authors: Wangsheng Chen; Jing Luo; Linbo Qin; Jun Han;

doi: 10.1016/j.jenvman.2015.09.001

pmid: 26363262

Selective autocatalytic reduction of NO from sintering flue gas by the hot sintered ore in the presence of NH3

Abstract

In this paper, the selective autocatalytic reduction of NO by NH3 combined with multi-metal oxides in the hot sintered ore was studied, and the catalytic activity of the hot sintered ore was investigated as a function of temperature, NH3/NO ratio, O2 content, H2O and SO2. The experimental results indicated that the hot sintered ore, when combined with NH3, had a maximum denitration efficiency of 37.67% at 450 °C, 3000 h(-1) gas hourly space velocity (GHSV) and a NH3/NO ratio of 0.4/1. Additionally, it was found that O2 played an important role in removing NOx. However, high O2 content had a negative effect on NO reduction. H2O was found to promote the denitration efficiency in the absence of SO2, while SO2 inhibited the catalytic activity of the sintered ore. In the presence of H2O and SO2, the catalytic activity of the sintered ore was dramatically suppressed.

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Keywords

Air Pollutants, Temperature, Water, Oxides, Equipment Design, Catalysis, Oxygen, Ammonia, Metals, Metallurgy, Sulfur Dioxide, Nitrogen Oxides, Oxidation-Reduction

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    		 19
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    		 Top 10%
    influence
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    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    		 Top 10%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
19
Top 10%
Top 10%
Top 10%
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