A Study on the Reaction Characteristics and Efficiency Improvement of High-temperature SCR Catalyst | Zendy

Ki Bok Nam | Zendy; Youn Suk Kang | Zendy; Sung Chang Hong | Zendy

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A Study on the Reaction Characteristics and Efficiency Improvement of High-temperature SCR Catalyst

Author(s) -

Ki Bok Nam,

Youn Suk Kang,

Sung Chang Hong

Publication year - 2015

Publication title -

applied chemistry for engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.144

H-Index - 11

eISSN - 2288-4505

pISSN - 1225-0112

DOI - 10.14478/ace.2015.1090

Subject(s) - nox , catalysis , anatase , selective catalytic reduction , atmospheric temperature range , materials science , desorption , adsorption , chemical engineering , chemistry , inorganic chemistry , photocatalysis , combustion , organic chemistry , thermodynamics , engineering , physics

In this paper the selective reduction catalyst (SCR) for controlling the NOx at high temperature range was studied. XRD and FT-IR BET analysis was also performed to determine the structural properties and adsorption/desorption characteristics of the catalyst. In the case of anatase TiO2 support, a negligible NOx conversion was observed, but the W/TiO2 catalyst made using W as a active metal showed an excellent ability to remove NOx. In particular, the W/TiO2 exhibited a rapid increase in the catalytic activity due to the presence of W for the NOx conversion compared to that of using the pure TiO2 at a high temperature range over 400 °C. In addition, the phenomenon of reduced reaction activity due to the heat shock for a long time was found to be suppressed.

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