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40 min 的反应时间内,染料的脱色率没有明显的变 109-114.
化,重复使用 5 次后,染料的脱色率依然能够达到 [5] Gogate P R, Pandit A B. A review of imperative technologies for
wastewater treatment I: oxidation technologies at ambient conditions
95%,这表明 CDSBP-Fe 对活性红 195 的催化降解 [J]. Advances in Environmental Research, 2004, 8(3/4): 501-551.
反应依旧有较高的催化活性和较好的稳定性。而 [6] Chen C, Gunawan P, Rong X. Self-assembled Fe 3O 4-layered double
hydroxide colloidal nanohybrids with excellent performance for
CDSBP-Fe 能表现较高的催化活性的原因主要是
treatment of organic dyes in water[J]. Journal of Materials Chemistry,
3+
Fe 是通过配位反应的方式链接在纤维表面的羧酸 2011, 21(4): 1218-1225.
基间,在催化降解过程中,可有效减少纤维表面 Fe 3+ [7] Bethi B, Sonawane S H, Bhanvase B A, et al. Nanomaterials based
advanced oxidation processes for waste water treatment: A review[J].
活性中心因其降解中间产物而失活,使 H 2 O 2 可以稳
Chemical Engineering & Processing Process Intensification, 2016,
[9]
定分解并产生更多具有强氧化性的•OH 。 109: 178-189.
[8] Parra S, Guasaquillo I, Enea O, et al. Abatement of an azo dye on
3 结论 structured C-nafion/Fe-ion surfaces by photo-fenton reactions leading
to carboxylate intermediates with a remarkable biodegradability
increase of the treated solution[J]. Journal of Physical Chemistry B,
以脱果胶甜菜粕为原料,采用柠檬酸对其进行
2003, 107(29): 7026-7035.
酯化反应,得到酯化改性的甜菜粕纤维;将改性后 [9] Liu X, Tang R, He Q, et al. Fe(Ⅲ)-loaded collagen fiber as a
3+
的样品与 Fe 配位反应,可制备柠檬酸改性甜菜粕 heterogeneous catalyst for the photo-assisted decomposition of
Malachite Green[J]. Journal of Hazardous Materials, 2010,
纤维铁配合物。 174(1/2/3): 687-693.
(1)通过 FTIR、XRD 和 SEM 分析,酯化改性 [10] Ishtchenko V V, Vitkovskaya R F, Huddersman K D. Investigation of
the mechanical and physico-chemical properties of a modified PAN
可在纤维表面成功引入羧酸基,引入羧酸基可使溶
fibrous catalyst[J]. Applied Catalysis A: General, 2003, 242(2): 221-231.
3+
液中更多的 Fe 通过配位反应固定在纤维表面,配 [11] Zhao Yi (赵毅), Yu Shujuan (于淑娟), Zhu Siming (朱思明), et al.
3+
位反应时羟基的氧原子没有参与配位,而只有羧酸 Adsorption equilibrium and kinetics of Fe by sugar beet pulp[J].
Modern Food Science and Technology (现代食品科技), 2014, 30(1):
基团的氧原子参与了配位反应。 28-32.
(2)柠檬酸改性甜菜粕纤维铁配合物可以作为 [12] Huang Qin (黄琴), Chen Boru (陈博儒), Gao Ziyuan (高梓原), et al.
非均相 Fenton 反应催化剂,对活性红 195 具有良好 Preparation of modified sugar beet pulp fiber and application in sugar
decolorization[J]. Journal of Chinese Institute of Food Science and
的催化脱色效果,反应 25 min 时脱色率达到了 95%, Technology (中国食品学报), 2019,19(2):116-124.
催化剂在 pH 为 3~9 内均具有较好的催化活性,拓 [13] Liu Zhanpeng (刘战朋), Guo Xiaoming (郭晓明), Pi Fang(皮芳), et
al. Modification of pectin extraction conditions on physiochemical
宽了 Fenton 法适用范围。同时,催化剂在循环 5 次
properties of sugar beet pulp[J]. Modern Food Science and
后,40 min 内脱色率依旧达到 95%,稳定性强。 Technology (现代食品科技), 2018, 34(1): 68-74.
(3)甜菜粕纤维铁配合物作为一种低成本且性 [14] Haikel G, Nicolas M, Bernard W, et al. New method for a two-step
hydrolysis and chromatographic analysis of pectin neutral sugar chains
能优良的催化剂可应用于有机污染物的氧化降解反 [J]. Journal of Agricultural & Food Chemistry, 2004, 52(15): 4652-
应中。今后更致力于合成含有不同配体基团的纤维 4659.
金属配合物,考察其催化作用,并为工业化制备及 [15] Parikh D V, Thibodeaux D P, Condon B. X-ray crystallinity of
bleached and crosslinked cottons[J]. Textile Research Journal, 2007,
实际应用提供更多的理论参考。 77(8): 612-616.
[16] Wu X, Gu X, Lu S, et al. Degradation of trichloroethylene in aqueous
参考文献: solution by persulfate activated with citric acid chelated ferrous
[1] Xiao Z, Li A, Jiang Z, et al. Adsorption of dyes and phenol from water ion[J]. Chemical Engineering Journal, 2014, 255(255): 585-592.
on resin adsorbents: Effect of adsorbate size and pore size distribution [17] Cheng M, Song W, Ma W, et al. Catalytic activity of iron species in
[J]. Journal of Hazardous Materials, 2006, 137(2): 1115-1122. layered clays for photodegradation of organic dyes under visible
[2] Mahmoodi N M, Salehi R, Arami M. Binary system dye removal irradiation[J]. Applied Catalysis B: Environmental, 2008, 77(3): 355-
from colored textile wastewater using activated carbon: Kinetic and 363.
isotherm studies[J]. Desalination, 2011, 272(1/2/3): 187-195. [18] Lin S S, Gurol M D. Catalytic decomposition of hydrogen peroxide
[3] Vimonses V, Lei S, Bo J, et al. Kinetic study and equilibrium on iron oxide: Kinetics, mechanism, and implications[J]. Environmental
isotherm analysis of Congo Red adsorption by clay materials[J]. Science & Technology, 1998, 32(10): 1417-1423.
Chemical Engineering Journal, 2009, 148(2/3): 354-364. [19] Hu X J, Zhu H Y, Feng J Y, et al. Degradation of azo-dye Orange Ⅱ
[4] Sharma D K, Saini H S, Singh M, et al. Biodegradation of acid by a photoassisted Fenton reaction using a novel composite of iron
blue-15, a textile dye, by an up-flow immobilized cell bioreactor[J]. oxide and silicate nanoparticles as a catalyst[J]. Industrial &
Journal of Industrial Microbiology & Biotechnology, 2004, 31(3): Engineering Chemistry Research, 2003, 42(10): 2058-2066.