Comparative analysis on selective catalytic reduction deNOx equipments with and without standby catalyst layer in coalfired power plant

Abstract

Abstract: The technical difficulty of deNOx system reformation project of coalfired power plant is larger, and its project cost is higher; so it was considered to cancel the standby catalyst layer in deNOx equipment. Based on comparative analysis of two management and operation modes of catalyst, which are ‘2+1’ and ‘2+0’, it was found that to cancel the standby catalyst layer can reduce project technical difficulties and the project cost, but it will increase the operation cost. The comparative analysis of deNOx equipments with and without standby catalyst layer can provide certain guidance and foundation for deNOx system reformation projects in planning and design stages.

Key words: de-NOx, catalyst, standby layer, operation mode, analysis

WANG Gang;HUANG Rui;CHEN Fuguo. Comparative analysis on selective catalytic reduction deNOx equipments with and without standby catalyst layer in coalfired power plant[J]. Huadian Technology, 2012, 34(4): 7-9.

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Comparative analysis on selective catalytic reduction deNOx equipments with and without standby catalyst layer in coalfired power plant

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