Page 198 - 《精细化工》2020年第6期

·1264· 精细化工 FINE CHEMICALS 第 37 卷

在不同的初始 MO 质量浓度范围内，Cu-MOF-800 Management (化工管理). 2014, 8(1): 83-84.
材料均具有较高的降解效率，这也说明材料具有较 [4] WANG Y F (王玉峰). Study on treatment of papermaking wasterwater
by heterogeneous Fenton oxidation process[D]. Guangzhou: South
高浓度适应性。 China University of Technology (华南理工大学), 2014.
2.2.5 Cu-MOF-800 的稳定性分析 [5] TAN P, CHOU C, LIANG J, et al. Air pollution “holiday effect”
resulting from the Chinese New Year [J]. Atmospheric Environment.
为了测试催化剂的稳定性，在反应结束之后，
2009, 43(13): 114-124.
将参与反应的催化剂进行离心分离，然后用去离子 [6] LI B (李保). Stydy on the catalytic oxidation properties of the Cu-
水反复冲洗，在 80 ℃条件下干燥 12 h，在相同的 based metal-organic frameworks[D]. Hangzhou: Zhejiang University
of Techology (浙江工业大学), 2013.
条件下重复进行催化剂降解实验，结果如图 8 所示。
[7] NAVALON S, ALVARO M, GARCIA H. Heterogeneous Fenton

catalysts based on clays, silicas and zeolites[J]. Applied Catalysis
B-Environmental, 2010, 99(1): 21-26.
[8] WANG Z H, MA W H, CHEN C C, et al. Light-assisted
decomposition of dyes over iron-bearing soil clays in the presence of
H 2O 2[J]. Journal of Hazardous Materials, 2009, 168(2/3): 1246-1252.
[9] PHAM A, XING G. , MILLER C, et al. Fenton-like copper redox
chemistry revisited: Hydrogen peroxide and superoxide mediation of
copper-catalyzed oxidant production[J]. Journal of Catalysis, 2013,
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[10] WANG L, HOU J J, LIU S Z, et al. CuO nanoparticles as
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fenton chemistry for H 2O 2 and glucose sensing[J]. Sensors &

Actuators: B. Chemical, 2019, 287(1): 80-84.
图 8 Cu-MOF-800 催化剂的循环利用性能 [11] NICHELA D, BERKOVIC A, COSTANTE M, et al. Nitrobenzene
degradation in fenton-like systems using Cu( Ⅱ ) as catalyst.
Fig. 8 Catalytic recycling performance of Cu-MOF-800
Comparison between Cu(Ⅱ) and Fe(Ⅲ)-based systems[J]. Chemical
Engineering Journal, 2013, 228: 1148-1157.
经过 4 次循环，Cu 基催化剂的催化效率由最初 [12] HE X, WANG W N. Pressure-regulated synthesis of Cu(TPA)(DMF)
的 60 min 内 MO 降解率 99.7%降低到 96.2%，仍然 in microdroplets for selective CO 2 adsorption[J]. Dalton Transactions,
具有较高的催化活性。这说明催化剂具备相当稳定 2019, 48(3): 1006-1016.
[13] SUN H, SU H X, MA X Y, et al. Fe/IRMOF-3 derived porous
的催化性能，能够重复使用。 carbons as non-precious metal electrocatalysts with high activity and
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3 结论 2016, 205: 53-61.
[14] IVANOVA T, MASLAKOY K, SIDOROY A, et al. XPS detection of
（1）以 Cu-MOF 为前驱体，经碳化得到了具有 unusual Cu(Ⅱ) to Cu(Ⅰ) transition on the surface of complexes with
redox-active ligands[J]. Journal of Electron Spectroscopy and
丰富活性位点和均一介孔结构的 Cu-MOF-θ。 Related Phenomena, 2020, 238. DOI: 10.1016/j.elspec.2019.06.010.
+
（2）探索了焙烧温度对 Cu-MOF-θ 的 n(Cu )/ [15] LYU L, ZHANG L L, WANG Q Y, et al. Enhanced Fenton catalytic
+
2+
n(Cu )和比表面积的影响。结果显示，Cu-MOF- 800 efficiency of γ-Cu-Al 2O 3 by σ-Cu² -ligand complexes from aromatic
pollutant degradation[J]. Environmental Science & Technology,
+
2+
具有最大的比表面积、孔体积和 n(Cu )/n(Cu )。 2015, 49(14): 8639-8647.
（3）在 pH=3、50 ℃、MO 初始质量浓度 [16] DONG G H, AI Z H, ZHANG L Z. Total aerobic destruction of azo
contaminants with nanoscale zero-valent copper at neutral pH:
200 mg/L、Cu-MOF-800 投放质量浓度 1 g/L 的条
Promotion effect of in-situ generated carbon center radicals[J]. Water
件下，10 min 就能达到 MO 基本降解，催化剂在 Research, 2014, 66: 22-30.
经过 4 次循环使用后，仍保持 96%以上的 MO 降 [17] SHE Y D, MOHSEN S. Degradation of amoxicillin in aqueous
solution using nanolepidocrocite chips/H 2O 2/UV: Optimization and
解率。 kinetics studies[J]. Journal of Industrial and Engineering Chemistry,
2014, 20(4): 1772-1778.
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