Combined membrane photocatalytic ozonation and wet absorption of elemental mercury
Combined membrane photocatalytic ozonation and wet absorption of elemental mercury
复制标题
膜光催化臭氧化与湿法吸收元素汞的组合
DOI:
10.1016/j.apr.2017.09.006
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发表时间:
2017-09
影响因子:
4.5
通讯作者:
Yu S.
中科院分区:
文献类型:
--
作者:
Huang Z. S.;Wei Z. S.;He Y. M.;Pei J. L.;Xiao X. L.;Tang M. R.;Yu S.
Membrane photocatalytic ozonization coupled with wet absorption offers potential for elemental mercury (Hg0) removal. This study reports on a novel Fesingle bondTiO2-coated polyvinylidene fluoride (PVDF) wet photocatalytic membrane reactor (WPCMR) for mercury removal in flue gas. Hg0removal efficiency in the WPCMR reached up to 93.3%. Ozone could enhance mercury oxidation in WPCMR. Wet absorption helps to increases mercury removal efficiency. Fesingle bondTiO2catalyst was synthesized by sol-gel method and characterized by XRD, FTIR, UV–Vis, XPS and SEM. XPS analysis confirmed Hg0oxidation to divalent mercury (Hg (II)). Elemental mercury was oxidized to mercuric oxide followed by wet absorption in the presence of OH free radical and ozone. Wet photocatalytic membrane reactor and photocatalytic membrane reactor (PCMR) of elemental mercury reaction with the Fesingle bondTiO2/PVDF catalyst all follow Langmuir-Hinshelwood kinetics.
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影响因子:
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作者:
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通讯作者:
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C. Senior;J. Helble;A. Sarofim
影响因子:
15.1
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通讯作者:
R. R. Solís-R.;F. Rivas;A. B. Martínez-Piernas;A. Agüera