粉煤灰基催化材料的研究进展
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摘要
粉煤灰应用于催化材料的制备是实现其高附加值利用的重要途径,本文详细阐述了粉煤灰的化学组成与结构特性,综述了粉煤灰基催化剂在有机物降解、有机合成和催化制氢等领域的研究进展,讨论了粉煤灰在不同催化反应过程中的作用原理.粉煤灰作为一种富含Si、Al的复合载体,具有单一载体不可替代的优势,其组成与结构的改变对催化剂的性能有很大的影响,不同的活性组分与结构对应不同的反应类型,具有非常广泛的适应性.影响催化剂性能的主要因素包括:粉煤灰中Si—O—Si或Al—O—Si结构的重组,Fe、Ca、Na、K等元素对催化剂的修饰,活性组分与粉煤灰载体之间的相互作用等.由此可知,准确调控粉煤灰的化学组成与结构是提高粉煤灰基催化剂性能的重要手段,也是未来拓展粉煤灰高附加值利用空间的理论依据.
Application of coal fly ash as catalytic materials is an important means to realize its high added-value utilization. In this paper,the chemical composition and structure characteristics of coal fly ash were described in detail. The research status of coal fly ash based catalysts applied in organic pollatant degradation,organic synthesis and catalytic hydrogen production was reviewed,and the action mechanism of coal fly ash in different catalytic reactions were discussed. Coal fly ash,as a composite carrier,is rich in Si and Al,and has some irreplaceable advantages over single carriers.The composition and structure of coal fly ash had great influence on catalytic performance,and different active components and structure corresponded to different reactions. So,it had a wide range of adaptability. The main factors influencing catalyst performance include structure reorganization of Si—O—Si or Al—O—Si in coal fly ash,catalysts modification by Fe,Ca,Na,K,the interaction between the active components and the coal fly ash carrier,etc. Therefore,regulating the chemical composition and structure of coal fly ash accurately is an important means to improve the performance of coal fly ash based catalysts and the theoretical basis for expanding the high value-added utilization of coal fly ash in the future.
Application of coal fly ash as catalytic materials is an important means to realize its high added-value utilization. In this paper,the chemical composition and structure characteristics of coal fly ash were described in detail. The research status of coal fly ash based catalysts applied in organic pollatant degradation,organic synthesis and catalytic hydrogen production was reviewed,and the action mechanism of coal fly ash in different catalytic reactions were discussed. Coal fly ash,as a composite carrier,is rich in Si and Al,and has some irreplaceable advantages over single carriers.The composition and structure of coal fly ash had great influence on catalytic performance,and different active components and structure corresponded to different reactions. So,it had a wide range of adaptability. The main factors influencing catalyst performance include structure reorganization of Si—O—Si or Al—O—Si in coal fly ash,catalysts modification by Fe,Ca,Na,K,the interaction between the active components and the coal fly ash carrier,etc. Therefore,regulating the chemical composition and structure of coal fly ash accurately is an important means to improve the performance of coal fly ash based catalysts and the theoretical basis for expanding the high value-added utilization of coal fly ash in the future.
引文
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[35] MAZUMDER N A,RANO R. An efficient solid base catalyst from coal combustion fly ash for green synthesis of dibenzylideneacetone[J].Journal of Industrial and Engineering Chemistry 2015,29:359-365.
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[2] FLORES Y,FLORES R,GALLEGOS A A. Heterogeneous catalysis in the Fenton-type system reactive black 5/H2O2[J]. Journal ofMolecular Catalysis a-Chemical,2008,281(1-2):184-191.
[3]刘贤响,杨柱,袁治冶,等.硫酸铵改性粉煤灰催化合成环己酮乙二醇缩酮[J].化工进展,2009,28(3):499-503.LIU X X,YANG Z,YUAN Z Y,et al. Synthesis of cyclohexanone glycol ketal with fly ash catalyst modified by ammonium sulfate[J].Chemical Industry and Engineering Progress,2009,28(3):499-503(in Chinese).
[4] NG P F,LI L,WANG S B,et al,Catalytic ammonia decomposition over industrial-waste-supported Ru catalysts[J]. EnvironmentalScience&Technology,2007,41(10):3758-3762.
[5] MANZ O E. Coal fly ash:A retrospective and future look[J]. Fuel,1999,78(2),133-136.
[6] WANG S B. Application of solid ash based catalysts in heterogeneous catalysis[J]. Environmental Science&Technology,2008,42(19):7055-7063.
[7] GOODARZI F. Characteristics and composition of fly ash from Canadian coal-fired power plants[J]. Fuel,2006,85(10-11):1418-1427.
[8] MORENO N,QUEROL X,ANDRES J M,et al. Physicochemical characteristics of european pulverized coal combustion fly ashes[J].Fuel,2005,84(11),1351-1363.
[9]李少辉,赵澜,包先成,等.粉煤灰的特性及其资源化综合利用[J].混凝土,2010,4:76-78.LI S H,ZHAO L,BAO X C,et al. Characteristics and comprehensive resources utilization of fly ash[J]. Concrete,2010,4:76-78(inChinese).
[10]胡小龙,孙青,徐春宏,等.纳米Ti O2/沸石复合材料光催化降解苯酚的性能[J].化工进展,2016,35(5):1519-1523.HU X L,SUN Q,XU C H,et al. Photocatalytic degradation of phenol with ano-TiO2/zeolite composite material[J]. Chemical Industryand Engineering Progress,2016,35(5):1519-1523(in Chinese).
[11]夏悦,李芳菲,蒋引珊,等.天然硅藻土负载磷掺杂Ti O2及其可见光催化性能[J].吉林大学学报(工学版),2014,44(2):415-420.XIA Y,LI F F,JIANG Y S,et al. P-doped Ti O2immobbilized diatomite and its photocatalytic performance under visible light[J]. Journalof Jilin University(Engineering and Technology Edition),2014,44(2):415-420(in Chinese).
[12] TAN L L,CHAI S P,MOHAMED A R. Synthesis and applications of graphene-based Ti O2photocatalysts[J]. Chem-SusChem,2012,5(10):1868-1882.
[13] ZHOU W Y,PANG Y H,LAI S T,et al. Fabrication of Ti O2nanoparticles loaded on coal fly ash composite with enhanced photocatalyticactivity[J]. Journal of Nanoscience and Nanotechnology,2012,12(6):4658-4663.
[14] ZHANG J,CUI H,WANG B,et al. Preparation and characterization of fly ash cenospheres supported CuO-BiVO4heterojunction composite[J]. Applied Surface Science,2014,300:51-57.
[15] YANG L,WANG F Z,HAKKI A,et al. The influence of zeolites fly ash bead/Ti O2composite material surface morphologies on theiradsorption and photocatalytic performance[J]. Applied Surface Science,2017,392:687-696.
[16] SONG J K,WANG X J,BU Y J,et al. Preparation,characterization,and photocatalytic activity evaluation of Fe-N-codoped Ti O2/fly ashcenospheres floating photocatalyst[J]. Environmental Science and Pollution Research,2016,23(22):22793-22802.
[17] LU Z Y,ZHOU W C,HUO P W,et al. Performance of a novel Ti O2photocatalyst based on the magnetic floating fly-ash cenospheres forthe purpose of treating waste by waste[J]. Chemical Engineering Journal,2013,225:34-42.
[18] LI Y,ZHANG F S. Catalytic oxidation of methyl orange by an amorphous Fe OOH catalyst developed from a high iron-containing fly ash[J]. Chemical Engineering Journal,2010,158(2):148-153.
[19] OZAY H. Comparison study of low cost fly ash supported Cu,Co and Ni metal catalyst systems for the reduction of 4-Nitrophenol[J].Science of Advanced Materials,2013,5(6):575-582.
[20] WANG N N,ZHAO Q,ZHANG A. Catalytic oxidation of organic pollutants in wastewater via a Fenton-like process under the catalysis ofHNO3-modified coal fly ash[J]. Rsc Advances,2017,7(44):27619-27628.
[21]商丹红,张志生,胡晨爽.粉煤灰负载铁离子催化氧化活性黄染料废水[J].环境工程学报,2013,7(3):1040-1044.SHANG D H,ZHANG Z S,HU C S. Catalytic degradation of reactive yellow dye using ash fly supported iron ion[J]. Chinese Journal ofEnvironmental Engineering,2013,7(3):1040-1044(in Chinese).
[22] DUC D S. Degradation of reactive blue 181 dye by heterogeneous fenton technique using modified fly ash[J]. Asian Journal of Chemistry,2013,25(7):4083-4086.
[23] MENG F Q,MA W,ZONG P P,et al. Synthesis of a novel catalyst based on Fe(Ⅱ)/Fe(Ⅲ)oxide and high alumina coal fly ash for thedegradation of o-methyl phenol[J]. Journal of Cleaner Production,2016,133:986-993.
[24]袁淼卉,刘勇健.粉煤灰基催化臭氧处理亚甲基蓝催化剂的制备[J].环境科学与技术,2012,35(3):104-108.YUAN M H,LIU Y J. Preparation of fly ash supported catalysts for treatment of methylene blue[J]. Environmental Science&Technology,2012,35(3):104-108(in Chinese).
[25] DEKA B,BHATTACHARYYA K G. Using coal fly ash as a support for Mn(Ⅱ),Co(Ⅱ)and Ni(Ⅱ)and utilizing the materials as noveloxidation catalysts for 4-chlorophenol mineralization[J]. Journal of Environmental Management,2015,150:479-488.
[26] KHATRI C,RANI A. Synthesis of a nano-crystalline solid acid catalyst from fly ash and its catalytic performance[J]. Fuel,2008,87(13-14):2886-2892.
[27] MAZUMDER N A,RANO R,SARMAH G. A green and efficient solid acid catalyst from coal fly ash for Fischer esterification reaction[J].Journal of Industrial and Engineering Chemistry,2015,32:211-217.
[28] ZENG D L,LIU S L,GONG W J,et al. A Bronsted solid acid synthesized from fly ash for vapor phase dehydration of methanol[J]. Fuel,2014,119:202-206.
[29] CHO S Y,KANG S K,AHN J H,et al. Scandium(Ⅲ)triflate-TMSCl promoted cyclization of aziridin-1-yl oximes to 5,6-dihydro-4H-[1,2,4] oxadiazines[J]. Tetrahedron Letters,2006,47:9029-9033.
[30] GRONNOW M J,MACQUARRIE D J,CLARK J H,et al. A study into the use of microwaves and solid acid catalysts for Friedel-Craftsacylations[J]. Journal of Molecular Catalysis A:Chemical,2005,231(1-2):47-51.
[31] KHATRI C,JAIN D,RANI A. Fly ash-supported cerium triflate as an active recyclable solid acid catalyst for Friedel-Crafts acylationreaction[J]. Fuel,2010,89(12):3853-3859
[32] RANI A,KHATRI C,HADA R. Fly ash supported scandium triflate as an active recyclable solid acid catalyst for Friedel-Crafts acylationreaction[J]. Fuel Processing Technology,2013,116:366-373.
[33] CRIADO M,FERNANDEZ J A,PALOMO A,et al. Effect of the SiO2/Na2O ratio on the alkali activation of fly ash. PartⅡ:29Si MAS-NMR survey[J]. Microporous Mesoporous Materials,2008,109:525-534.
[34] JAIN D,KHATRI C,RANI A. Synthesis and characterization of novel solid base catalyst from fly ash[J]. Fuel,2011,90(6):2083-2088.
[35] MAZUMDER N A,RANO R. An efficient solid base catalyst from coal combustion fly ash for green synthesis of dibenzylideneacetone[J].Journal of Industrial and Engineering Chemistry 2015,29:359-365.
[36] THIRUNARAYANAN G,MAYAVEL P,THIRUMURTHY K. Fly-ash:H2SO4catalyzed solvent free efficient synthesis of some arylchalcones under microwave irradiation[J]. Spectrochimica Acta Part a-Molecular and Biomolecular Spectroscopy,2012,91:18-22.
[37] VERESHCHAGIN S N,KONDRATENKO E V,RABCHEVSKII E V,et al. New approach to the preparation of catalysts for the oxidativecoupling of methane[J]. Kinetics and Catalysis,2012,53(4):449-455.
[38] MISSENGUE R N M,LOSCH P,SEDRES G,et al. Transformation of south african coal fly ash into ZSM-5 zeolite and its application as anMTO catalyst[J]. Comptes Rendus Chimie,2017,20(1):78-86.
[39] LI Y,HU S L,CHENG J H,et al. Acidic ionic liquid-catalyzed esterification of oleic acid for biodiesel synthesis[J]. Chinese Journal ofCatalysis,2014,35(3):396-406.
[40]黄从敏,骆书桃,张秋云,等.粉煤灰负载型固体碱催化大豆油制备生物柴油的研究[J].太阳能学报,2015,36(8):1959-1964.HUANG C M,LUO S T,ZHANG Q Y,et al. Research on synthesis of biodiesel oil from soybean oil by solid base catalysts with fly ash ascarrier[J]. Acta Energiae Solaris Sinica,2015,36(8):1959-1964(in Chinese).
[41] CHAKRABORTY R,BEPARI S,BANERJEE A. Transesterification of soybean oil catalyzed by fly ash and egg shell derived solid catalysts[J]. Chemical Engineering Journal,2010,165(3):798-805.
[42] MANIQUE M C,LACERDA L V,ALVES A K,et al. Biodiesel production using coal fly ash-derived sodalite as a heterogeneous catalyst[J]. Fuel,2017,190:268-273.
[43] VOLLI V,PURKAIT M K. Selective preparation of zeolite X and A from flyash and its use as catalyst for biodiesel production[J]. Journalof Hazardous Materials,2015,297:101-111.
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