Page 72 - 2016地大报告-电子书

2016

like degradation oftrichloroethene (TCE) in the presence of different inorganic ions (nitrate,

sulfate, and chloride), was investigated to evaluate the potential effects ofinorganic anions on
carbon isotope enrichment factor (epsilon value). A comparison of epsilon values obtained in

deionized water, nitrate solution, and sulfate solution demonstrated that the epsilon values were
identical and not affected by the presence of nitrate and sulfate. In the presence ofchloride,

however, the epsilon values (ranging from-6.3 +/- 0.8 to 10 +/- 1.3 parts per thousand)
were variable and depended on the chloride concentration, indicating that chloride could

significantly affect carbon isotope fractionation during Fenton-like degradation of TCE. Thus,
caution should be exercised in selecting appropriate e values for the field application of stable

isotope analysis, as various chloride concentrations may be present due to naturally present or
introduced with pH adjustment and iron salts during Fenton-like remediation. Furthermore, th

e effects of chlorideon carbon isotope fractionation may be able to provide new insights about
reaction mechanisms of Fenton-like processes. (C) 2016 Elsevier B.V. All rights reserved.

论文链接：https://doi.org/10.1016/j.jhazmat.2016.01.044
9.Mesoporous sulfur-modified iron oxide as an effective Fenton-like catalyst for

degradation of bisphenol A
[ 1 ]
作 者：Du, JK ( 杜江坤，博士生 ) ; Bao,
[ 1 ]
[ 1 ]
JG ( 鲍建国 ) ; Fu, XY (Fu, Xiaoyan) ; Lu,
CH (Lu, Chenghang )[ 1 ] ; Kim, SH (Kim, Sang
Hoon) [ 2 ]
A P P LIED CA T A L Y SIS

B-ENVIRONMENTAL 卷 : 184 页 : 132-141
出版年 : MAY 5 2016

摘 要 ： A m e so p o r o u s su l f u r -
modified iron oxide (MS-Fe) was prepared as a heterogeneous H2O2 catalyst for degradat

ion of BPA. The physico-chemical properties of MS-Fe and bare M-Fe were characterized
by BET surface area measurement, SEM, XRD, MIR and XPS. Both M-Fe and MS-Fe

composites appeared as cubic microparticles with abundant pores and cracks as well as large
surface area. As depicted by XRD, EDX and XPS, M-Fe is mainly consisted of hematite while

MS-Fe is a kind of S-doped iron oxide with about 5-6% of sulfur element in terms of atomic
ratio. In contrast to the poor catalytic activity of bare M-Fe, the MS Fe composites showed

greatly improved efficiencies for H2O2 activation for BPA degradation. The high catalytic

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