甲醛催化氧化催化剂的研究进展
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摘要
甲醛(HCHO)是室内空气主要污染物之一。它严重影响了室内空气质量。催化氧化法能有效去除甲醛。本文主要介绍了两大类催化剂:贵金属催化剂和过渡金属催化剂。同时讨论了不同催化剂载体,催化剂的不同形貌,湿度,碱金属添加对甲醛催化氧化的影响。未来的研究方向与前景也做了论述。
Formaldehyde(HCHO) is one of the main sources of hazardous indoor air pollution. It also adversely affects air quality. Catalytic oxidation is an efficient technique for removing HCHO. This article mainly introduced the two kinds of catalysts: noble-metal catalysts and transition metal catalysts. At the same time, the influence of the different catalyst supports, the structure and morphology of catalyst, humidity, and the addition of alkali metal are discussed. Future prospects and directions for the development of such catalysts are also covered.
Formaldehyde(HCHO) is one of the main sources of hazardous indoor air pollution. It also adversely affects air quality. Catalytic oxidation is an efficient technique for removing HCHO. This article mainly introduced the two kinds of catalysts: noble-metal catalysts and transition metal catalysts. At the same time, the influence of the different catalyst supports, the structure and morphology of catalyst, humidity, and the addition of alkali metal are discussed. Future prospects and directions for the development of such catalysts are also covered.
引文
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[23]Li Y B,Zhang C B,He H.High temperature reduction dramatically promotes Pd/TiO2 catalyst for ambient formaldehyde oxidation[J].Catalysis Today,2017,217:560-569.
[24]Li Y B,Zhang C B,He H.Significant enhancement in activity of Pd/TiO2catalyst for formaldehyde oxidation by Na addition[J].Catalysis Today,2017,281:412-417.
[25]Wang J L,Zhang P Y,Li J G,et al.Room-Temperature Oxidation of Formaldehyde by Layered Manganese Oxide:Effect of Water[J].Environmental Science&Technology,2015,49(20):12372-12379.
[26]Wang L,Yue H Q,Li L C.Highly active Pt/NaxTiO2 catalyst for low temperature formaldehyde decomposition[J].Catalysis B:Environmental,2017,219:301-313.
[27]Lu S H,Wang X,Zhu Q Y,et al.Ag-K/MnO2 nanorods as highly efficient catalysts for formaldehyde oxidation at low temperature[J].RSC Advances,2018,8:14221.
[28]Li Y B,Zhang C B,He H.Influence of alkali metals on Pd/TiO2 catalysts for catalytic oxidation of formaldehyde at room temperature[J].Environmental Science&Technology,2016,6:2289-2295.
[2]KIM G J,M LEE S,KIM ET AL S S.Active oxygen species adsorbed on the catalyst surface and its effect on formaldehyde oxidation over Pt/TiO2catalysts at room temperature;role of the Pt valence state on this reaction[J]?RSC advances,2018,8(7):3626-3636.
[3]MA C Y,PANG G L,HAO Z P,et al.Layered sphere-shaped TiO2 capped with gold nanoparticles on structural defects and their catalysis of formaldehyde oxidation[J].Journal of Environmental Sciences,2016,39:77-85.
[4]ZHU X F,YU J G,JIANG C J,et al.Catalytic decomposition and mechanism of formaldehyde over Pt-Al2O3 molecular sieves at room temperature,Phys[J].Chem Chem Phys,2017,19:6957-6963.
[5]Huang S Y,Yu J G,Jiang C J,et al.Flexible nickel foam decorated with Pt/NiO nanoflakes with oxygen[J].Environmental Science:Nano,2017,4:2215-2224.
[6]Huang S Y,Yu J G,Jiang C J,et al.Hierarchical Pt/MnO2-Ni(OH)2 Hybrid Nanoflakes with Enhanced Room-Temperature Formaldehyde Oxidation Activity[J].ACS sustainable Chemistry&Engineering,DOI:10/1021/acssuschenmeng.8b03139.
[7]Chen J,Jia H P,Chen J,et al,A Novel Redox Precipitation to Synthesize Au-dopedα-MnO2 with High Dispersion toward Low-temperature Oxidation of Formaldehyde[J].Environmental Science&Technology,2018,52(8):4728-4737.
[8]Cui W Y,Jia M J,Zhang W X,et al,Pt supported on octahedral Fe3O4microcrystals as a catalyst for removal of formaldehyde under ambient conditions[J].Chinese Journal of Catalysis,2018,39:1534-1542.
[9]Li G G,Li L.Highly efficient formaldehyde elimination over meso-structured M/CeO2(M=Pd,Pt,Au and Ag)catalyst under ambient conditions[J].RSC Advances,2015,5:36428.
[10]Liu F,Rong S P,Zhang P Y,et al.One-step synthesis of nanocarbon-decorated MnO2 with superior activity for indoor formaldehyde removal at room temperature[J].Catalysis B:Environmental,2018,235:158-167.
[11]Wang J L,Zhang G K,Zhang P Y.Layered birnessite-type MnO2 with surface pits for the enhanced formaldehyde catalytic oxidation activity[J].JMater Chem A,2017,5:5719-5725.
[12]Fan Z Y,Zhang Z X,Shangguan W F.Low-temperature catalytic oxidation of formaldehyde over Co3O4 catalysts prepared using various precipitants[J].Chinese Journal of Catalysis,2016,37:947-954.
[13]Huang Y C,Ye K H,Li H B,et al.A highly durable catalyst based on Cox Mn3-x O4 nanosheets for low-temperature formaldehyde oxidation[J].Nano Research,2016,12:3881-3892.
[14]Zhang Y,Chen M X,Shangguan W F,et al,Simultaneously catalytic decomposition of formaldehyde and ozone over manganese cerium oxides at room temperature:promotional effect of relative humidity on the MnCeOx solid solution[J].Catalysis Today,accepted.
[15]Lu S H,Li K L,Sun B,et al.Efficient MnOx-Co3O4-CeO2 catalysts for formaldehyde elimination[J].Applied Surface Science,2017,400:277-282.
[16]Lu L,Tian H,He J H,et al.Graphene-MnO2 Hybrid Nanostructure as a New Catalyst for Formaldehyde Oxidation[J].J Phys Chem C,2016,120(41):23660-23668.
[17]Wang J L,Zhang G K,Zhang P Y,et al,Graphene-assisted photothermal effect on promoting catalytic activity of layered MnO2 for gaseous formaldehyde oxidation[J].Catalysis B:Environmental,2018,239(30):77-85.
[18]Dai Z J,Yu X W,Ke Q F,et al.Nanocrystalline MnO2 on Activated Carbon Fiber for Catalytic Formaldehyde Removal[J].RSC Advances,2016,6:97022-97029.
[19]Chen B B,Zhu X B,Shi C,et al.Gold stabilized on various oxide supports catalyzing formaldehyde oxidation at room temperature[J].Chinese Journal of Catalysis,2016,37:1729-1737.
[20]Chen F,Feng W,Y Gu,et al,Effect of support(Degussa P25 TiO2,anatase TiO2,γ-Al2O3,and AlOOH)of Pt-based catalysts on the formaldehyde oxidation at room temperature[J].Catalysis Communications,2017,99:39-42.
[21]Bai B Y,Qiao Q,Li J H,et al,Synthesis of three-dimensional ordered mesoporous MnO2 and its catalytic performance in formaldehyde oxidation[J].Chinese Journal of Catalysis,2016,37:27-31.
[22]Fan Z Y,Fang W J,Shangguan W F,et al.Highly active rod-like Co3O4catalyst for the formaldehyde oxidation reaction[J].Catalysis Communications,2018,103:10-14.
[23]Li Y B,Zhang C B,He H.High temperature reduction dramatically promotes Pd/TiO2 catalyst for ambient formaldehyde oxidation[J].Catalysis Today,2017,217:560-569.
[24]Li Y B,Zhang C B,He H.Significant enhancement in activity of Pd/TiO2catalyst for formaldehyde oxidation by Na addition[J].Catalysis Today,2017,281:412-417.
[25]Wang J L,Zhang P Y,Li J G,et al.Room-Temperature Oxidation of Formaldehyde by Layered Manganese Oxide:Effect of Water[J].Environmental Science&Technology,2015,49(20):12372-12379.
[26]Wang L,Yue H Q,Li L C.Highly active Pt/NaxTiO2 catalyst for low temperature formaldehyde decomposition[J].Catalysis B:Environmental,2017,219:301-313.
[27]Lu S H,Wang X,Zhu Q Y,et al.Ag-K/MnO2 nanorods as highly efficient catalysts for formaldehyde oxidation at low temperature[J].RSC Advances,2018,8:14221.
[28]Li Y B,Zhang C B,He H.Influence of alkali metals on Pd/TiO2 catalysts for catalytic oxidation of formaldehyde at room temperature[J].Environmental Science&Technology,2016,6:2289-2295.