失活商用SCR催化剂的再生与资源化利用现状

doi:10.11962/1006-4990.2020-0066

Abstract

Abstract:

With the increasingly strict environmental protection policy,the disposal of waste SCR catalyst from flue gas deni-trification becomes more and more serious.The application conditions and deactivation reasons of SCR catalyst were intro-duced,and the market prospect and the limitations of the industrial chain combined with the policies related to the disposal of waste SCR catalyst were analyzed.The research progress of regeneration and recovery of deactivated SCR catalyst at home and abroad was summarized emphatically.The regeneration method was corresponding to the deactivation mechanism.Three ways of recycling waste SCR catalyst were summarized.Through comparative analysis,it was pointed out that the preparation of new SCR catalyst is the most efficient and economic way.

Key words: selective catalytic reduction, catalyst, inactivation, regeneration, resource reuse

CLC Number:

O643.36

Gong Peng,Zhang Bing,Liu Sihao. Status of regeneration and resource utilization of deactivated commercial SCR catalyst[J]. Inorganic Chemicals Industry, 2021, 53(1): 14-17.

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Status of regeneration and resource utilization of deactivated commercial SCR catalyst

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