Page 192 - 《精细化工》2020年第6期

·1258· 精细化工 FINE CHEMICALS 第 37 卷

−
系中除了•OH 还存在有大量的 SO 4 •。因此，该反应 [9] JIANG W J (姜文静). Study on degradation of Congo red by
−
体系中是 SO 4 • 和 •OH 共同作用降解苯酚。 persulfate activation technology[D]. Dalian: Dalian Maritime
University (大连海事大学), 2011.
−
Co/Fe-LDO+PS 体系产生 SO 4 •和•OH 的反应机理如 [10] ZHANG H L (张宏玲), LI S (李森), ZHANG Y (张杨), et al.
Removal of pyrene in contaminated soil by transition metal ions
式（6）~（10）所示： activated persulfate [J]. Journal of Environmental Engineering (环境
工程学报), 2016, 10(10): 6009-6014.
−
2−

–
≡Co(Ⅲ)+S 2 O 8 +e →≡Co(Ⅱ) + 2SO 4 • （6） [11] YU Z, LIONBOV K, ALBERT R, et al. Detoxification of diluted
2−
−
2−

≡Co(Ⅱ)+S 2 O 8 →SO 4 •+SO 4 +≡Co(Ⅲ) （7） azo-dyes at biocompatible pH with the oxone/Co reagent in dark
2+
−
2−
–

≡Fe(Ⅲ)+S 2 O 8 +e →≡Fe(Ⅱ) + 2SO 4 • （8） and light processes[J]. Journal of Molecular Catalysis. A, Chemical,
2006, 252(1/2): 113-119.
2−
2−
−

≡Fe(Ⅱ)+S 2 O 8 →≡Fe(Ⅲ) + SO 4 •+SO 4 （9） [12] YANG Y (杨漪). Cobalt-based hollow sphere catalyzed degradation
S O − 4 • +H 2 O→•OH+HSO 4 − （10） of rhodamine B by persulfate [D]. Harbin : Harbin Institute of
Technology (哈尔滨工程大学), 2017.
[13] LANG J (郎洁). Study on the effect and mechanism of persulfate-
3 结论 degrading phenol based on hydrotalcite-like CuCo@MgAl-LDH [D].
Wuhan: Huazhong University of Science and Technology (武汉科技
大学), 2016.
（1）XRD、SEM、BET 和 XPS 分析结果表明， [14] MANUEL S, HEMANDE T, ANDREA C, et al. Evaluation of
hydrotalcite-like compounds with distinct interlaminar anions as
焙烧可使类水滑石 Co/Fe-LDHs 层状结构被破坏， catalyst precursors in methylene blue photodegradation[J]. Applied
2
形成金属氧化物 Co/Fe-LDO，比表面积从 41.2 m /g Clay Science, 2017, 135: 1-8.
[15] CHENG A H (程爱华), QIAN D P (钱大鹏). Adsorption mechanism
3
2
3
增大至56.8 m /g，孔体积从0.2 cm /g增大至0.3 cm /g， of nitrate on cotton template Zn/Ti/Fe layered double oxide in water
Co 含量增加。 [J]. CIESC Journal (化工学报), 2018, 69(12): 5283-5291.
[16] LIAN G, WEI W, YONG F Z, et al. Layered double hydroxide
（2）Co/Fe-LDO 的活化 PS 效果更佳。在反应 coatings on magnesium alloys: A review[J]. Journal of Materials
时间 30 min、反应温度 25.0 ℃、苯酚初始质量浓度 Science & Technology, 2018, 34(9): 1455-1466.
[17] AIDER N, TOUAHRA F, BALI F, et al. Improvement of catalytic
为 100.0 mg/L、pH=6、活化剂与氧化剂投加质量比 stability and carbon resistance in the process of CO 2 reforming of
methane by CoAl and CoFe hydrotalcite-derived catalysts[J].
为 1 ∶ 1 、 Co/Fe-LDO 的投加量为 0.2 g/L ，
International Journal of Hydrogen Energy, 2018, 43(17): 8256-8266.
Co/Fe-LDO+PS 体系对苯酚的降解率达 90.1%。降解 [18] LEONEL V, JULIANA N, TAUFIK A, et al. Sorption–desorption of
antimony species onto calcined hydrotalcite: Surface structure and
效果好于 Co/Fe-LDHs 的投加量为 0.3 g/L 时 control of competitive anions[J]. Journal of Hazardous Materials,
Co/Fe-LDHs+PS 体系对苯酚 84.0%的降解率。 2018, 344: 649-656.
4+
[19] CHENG F L (程福龙), LI C (李超), CHEN J (陈娟), Effect of Zr
（3）机理分析表明，Co/Fe-LDHs 或 Co/Fe-LDO doping on phosphate adsorption behavior of Mg/Al hydrotalcite[J].
−
−
活化 PS 产生•OH 和 SO 4 •，在•OH 和 SO 4 •的共同作 Fine Chemicals (精细化工), 2019, 36(10): 2122-2127.
[20] BU R (卜然). Preparation of Co/Fe hydrotalcite heterogeneous
用下苯酚被降解。 fenton catalytic material and its degradation of dye wastewate [D].
Wuhan: Wuhan Textile University (武汉纺织大学), 2017.
参考文献： [21] LIU L (刘磊), WU X (吴希), LUO B B (罗兵兵). Study on efficient
removal of direct red by Fenton-like process with Co-Fe layered
[1] WAHIBA Y, RABAH A, CONCEPCION, et al. Phenolic composition double hydroxide [J]. Guangzhou Chemical Industry (广州化工),
and antimicrobial activity of algerian olive products and by-products[J]. 2018, 46(6): 27-29.
LWT - Food Science and Technology , 2018, 93: 323-328 [22] ZHANG G H (张冠华), ZHANG X F (张晓锋), XUE J L (薛继龙),
[2] HU X L (胡小龙), SUN Q (孙青), XU C H (徐春宏), et al. et al. Preparation and photocatalytic properties of composites mental
Photocatalytic degradation of phenol with nano-TiO 2/zeolite oxides derived from layered double hydroxides[J]. J Chin Ceram Soc
composite material[J].Chemical Industry and Engineering Progress (硅酸盐学报), 2019, 47(4): 466-472.
(化工进展), 2016, 35(5): 1519-1523. [23] ZHANG M (张曼), ZHAO Y L (赵云良), WU F D (吴飞达).
[3] ZHANG F (张锋), ZHAO L F (赵立芳). Properties of increasing Preparing calcined Ca-Mg-Al hydrotalcite-like compound for
phenol degradation by immobilized HRP using microwave and adsorption of As (Ⅴ) in water [J]. Silicate Bulletin (硅酸盐通报),
ultrasonic irradiation[J]. Fine Chemicals (精细化工), 2016, 33(4): 2018, 37(4): 1344-1349, 1354.
452-460, 466. [24] YANG Y Z (杨岳主), LI Y P (李玉平), YANG D W (杨道武), et al.
[4] ZHAO D, LIAO X Y, YAN X L, et al. Effect and mechanism of Degradation of phenol with a Fe/Cu-catalytic heterogeneous- fenton
persulfate activated by different methods for PAHs removal in soil[J]. process[J]. Environmental Science (环境科学), 2013, 34(7): 2658-2664.
Journal of Hazardous Materials, 2013, 254/255: 228-235. [25] CAO L, WANG H L, XIE Q. Reaction of SO 2 over Ca Al mixed
[5] JIANG M D (蒋梦迪), ZHANG Q Y (张清越), JI Y F (季跃飞), et al. oxides derived from hydrotalcites samples[J]. Environmental
Degradation of triclosan by heat activated persulfate oxidation[J]. Science, 2013, 34(9): 3627-3632.
Environmental Science (环境科学), 2018, 39(4): 1661-1667. [26] YANG Y M, LENG Y Q, LIN X, et al. Degradation of rhodamine B
[6] LIN T L (林天来), LIU X F (刘秀峰) , HUANG C K (黄灿克). wastewater by persulfate activated with Fe 3O 4/graphene[J]. Environmental
Effect of light intensity on UV-assited persulfate degradation of Science and Management, 2014, 39(4): 80-84.
MTBE[J]. Environment and Sustainable Development (环境与可持 [27] LIU J L (刘佳露), LU W (卢伟), ZHANG F J (张凤君), et al.
续发展), 2017, 42(5): 103-105. Kinetics study of activated persulfate oxidation of phenol in ground
[7] CHENG A H (程爱华), SHAO X L (邵新岚), WANG Q (王倩). water [J]. China Environmental Science (中国环境科学), 2015,
Remove of phenol by activated carbon catalyzeper-sulfate system[J]. 35(9): 2677-2681.
Science Technology and Engineering (科学技术与工程), 2017, [28] JI F, LI C L, WEI X Y, et al. Efficient performance of porous Fe 2O 3
17(35): 347-351. in heterogeneous activation of peroxymonosulfate for decolorization
[8] KAI C, MAN M, JAME S, et al. Importance of sulfate radical anion of Rhodamine B[J].Chemical Engineering Journal, 2013, 231: 434-440.
formation and chemistry in heterogeneous OH oxidation of sodium [29] GONG C (龚程). Study on the activation of iron sulfate hydrotalcite
methyl sulfate, the smallest organosulfate[J]. Atmospheric Chemistry to degrade rhodamine B by monosulfate [D]. Changsha: Hunan
and Physics, 2018, 18(4): 2809-2820. University (湖南大学), 2017.