Research status on the removal of mercury from flue gas over regulated perovskite
This paper systematically reviews the research status of perovskite in the field of mercury removal from flue gas,compares the differences of perovskite mercury removal before and after regulation,summarizes the application achievements of A-position,B-position regulation and AB position co-regula-tion of perovskite mercury removal,discusses the influence of active sites,oxidation species and reaction parameters on mercury removal performance,and summarizes the corresponding mercury removal paths and reaction mechanisms of different types of perovskite,compares and analyzes the advantages and disad-vantages of three mercury removal technologies.It is proposed that the continuous development of regula-ted perovskite is a feasible strategy to get rid of the dependence of mercury removal on HCl and overcome the shortcomings of poor sulfur resistance and water resistance of mercury removal materials.
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