Catalytic Conversion of Multipollutants (Hg0/NO/Dioxin) with V2O5-WO3/TiO2 Catalysts

Wei Ting Hsu, Pao Chen Hung, Shu Hao Chang, Chyi Woei Young, Chi Lang Chen, Hsing Wang Li, Kuan Lun Pan, Moo Been Chang

研究成果: 雜誌貢獻期刊論文同行評審

6 引文 斯高帕斯(Scopus)

摘要

A multipollutant (Hg0/NO/dioxin)-containing gas-stream-generating system is developed to investigate the effectiveness of V2O5-WO3/TiO2 catalyst for multipollutant control. The results indicate that plate-type 1.52 wt% V2O5 performs much better than two other catalysts for oxidizing Hg0. With a higher vanadium loading of 1.52 wt% V2O5, higher Hg0 conversions (53-75%) are observed compared to 0.66 wt% V2O5 (45-68%) and 0.26 wt% V2O5 (32-63%) for simulated flue gas streams. In addition, the mercury oxidation activity significantly increases with increasing concentration of hydrogen chloride. For removal of PCDD/Fs, the results show that the removal efficiencies of PCDD/F congeners achieved with V2O5-WO3/TiO2 range from 50% to 65%. It is observed that the removal efficiency of highly chlorinated PCDD/Fs is slightly higher than that of low-chlorinated PCDD/Fs. Overall, plate-type catalyst of 1.52 wt% V2O5 shows the highest Hg0/NO/dioxin conversion and reduction efficiency among three catalysts evaluated.

原文???core.languages.en_GB???
頁(從 - 到)15195-15205
頁數11
期刊Industrial and Engineering Chemistry Research
57
發行號44
DOIs
出版狀態已出版 - 7 11月 2018

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