B位离子对Ce_(0.8)Mg_(0.2)BO_3催化甲烷燃烧性能的影响
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摘要
以NH_4HCO_3为沉淀剂,采用共沉淀法制备Ce_(0.8)Mg_(0.2)BO_3(B=Cr,Mn,Fe,Co,Ni,Cu)系列催化剂,用XRD、BET、H_2-TPR、TG-DSC、FT-IR和SEM等手段对其进行物理性能表征,并对其进行催化甲烷燃烧性能测试,考察不同B位离子对钙钛矿催化剂性能的影响。结果表明:以共沉淀法制备不同B位离子的Ce_(0.8)Mg_(0.2)BO_3(B=Cr,Mn,Fe,Co,Ni,Cu)系列催化剂,经过800℃高温焙烧后,可形成完整的钙钛矿晶型。其中Ce_(0.8)Mg_(0.2)NiO_3催化甲烷燃烧活性最好,起燃温度T_(l0%)为410℃,完全转化温度T_(90%)为547℃。
The Ce_(0.8)Mg_(0.2)BO_3(B=Cr, Mn, Fe, Co, Ni, Cu)series catalysts were prepared by co-precipitation method using NH_4HCO_3 as precipitant. The structures were characterized by XRD, BET, H_2-TPR, TG-DSC, FT-IR and SEM, and its performance catalytic on methane combustion was tested. The results show that the preparation of Ce_(0.8)Mg_(0.2)BO_3(B=Cr, Mn, Fe, Co, Ni, Cu) catalysts with different ions by co-precipitation method can form a complete perovskite after calcination at 800 ℃. The catalyst Ce_(0.8)Mg_(0.2)NiO_3 shows an excellent activity for methane combustion(the conversion of 10% and 90% are obtained at 410 ℃ and 547 ℃, respectively).
The Ce_(0.8)Mg_(0.2)BO_3(B=Cr, Mn, Fe, Co, Ni, Cu)series catalysts were prepared by co-precipitation method using NH_4HCO_3 as precipitant. The structures were characterized by XRD, BET, H_2-TPR, TG-DSC, FT-IR and SEM, and its performance catalytic on methane combustion was tested. The results show that the preparation of Ce_(0.8)Mg_(0.2)BO_3(B=Cr, Mn, Fe, Co, Ni, Cu) catalysts with different ions by co-precipitation method can form a complete perovskite after calcination at 800 ℃. The catalyst Ce_(0.8)Mg_(0.2)NiO_3 shows an excellent activity for methane combustion(the conversion of 10% and 90% are obtained at 410 ℃ and 547 ℃, respectively).
引文
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[2]杨宇,刘毅,金凤君.世界石油探明储量分布特征与空间格局演化[J].世界地理研究,2014,23(1):19-28Yang Yu,Liu Yi,Jin Fengjun.Distribution characteristics and spatial evolution of the world proven oil reserves[J].World Regional Studies,2014,23(1):19-28(in Chinese)
[3]尹坤,姜蕤.煤炭燃烧的大气污染及相关解决途径分析[J].科技展望,2016,26(3):257-257Yin Kun,Jiang Rui.Air pollution of coal combustion and related solutions[J].Science and Technology,2016,26(3):257-257(in Chinese)
[4]周肖肖.中国环境规划对化石能源耗竭路径的影响研究[D].北京:中国矿业大学,2014Zhou Xiaoxiao.Study on the relationship between environmental regulation and fossil energy consumption path in china[D].Beijing:China University of Mining and Technology,2014(in Chinese)
[5]刘晓龙.我国进口液化天然气可持续发展战略研究[J].商业经济研究,2016,(3):149-150Liu Xiaolong.Research on the sustainable development strategy of LNG imported in China[J].Journal of Commercial Economics,2016,(3):149-150(in Chinese)
[6]殷伊琳.传统化石能源清洁化利用的现状及展望[J].天津化工,2016,30(2):1-3Yin Yilin.The present situation and prospect of the clean use of traditional fossil energy[J].Tianjin Chemical Industry,2016,30(2):1-3(in Chinese)
[7]吴西顺,黄文斌,刘文超,等.全球天然气水合物资源潜力评价及勘查试采进展[J].海洋地质前沿,2017,33(7):63-78Wu Xishun,Huang Wenbin,Liu Wenchao,et al.World-Wide progress of resource potential assessment,exploration and production test of natural gas hydrate[J].Marine Geology Frontiers,2017,33(7):63-78(in Chinese)
[8]汤旸.浅谈天然气能源的市场现状[J].科技展望,2016,26(25):315-315Tang Yang.Talking about the market status of natural gas energy[J].Science and Technology,2016,26(25):315-315(in Chinese)
[9]董庆珊,张世红,周琦.催化燃烧炉的节能性分析[J].建筑节能,2007,35(6):50-53Dong Qingshan,Zhang Shihong,Zhou Qi.The energysaving analysis of catalytic combustion burner[J].Construction Conserves Energy,2007,35(6):50-53(in Chinese)
[10]朱鹏飞,周毛毛,徐壮,等.La0.2Ce0.8FexMn1-xO3催化剂的制备及其对甲烷燃烧的催化性能[J].合成化学,2017,25(12):993-996Zhu Pengfei,Zhou Maomao,Xu Zhuang,et al.Preparation of La0.2Ce0.8FexMn1-xO3catalysts and their catalytic properties for combustion of methane[J].Chinese Journal of Synthetic Chemistry,2017,25(12):993-996(in Chinese)
[11]姚儒霖,李东升,吴剑桥,等.双钙钛矿Sr2Fe Mn1-xCoxO6催化剂的制备及其催化性能[J].合成化学,2017,25(3):213-217Yao Rulin,Li Dongsheng,Wu Jianqiao,et al.Preparation and catalytic properties of double perovskite catalysts Sr2Fe Mn1-xCoxO6[J].Chinese Journal of Synthetic Chemistry,2017,25(3):213-217(in Chinese)
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[14]Escudero M J,Gómez de Parada I,Fuerte A,et al.Study of Sr2Mg(Mo0.8Nb0.2)O6-δas anode material for solid oxide fuel cells using hydrocarbons as fuel[J].Journal of Power Sources,2013,243:654-660
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[19]张军,赵宁,肖福魁,等.Ni MgAlO-F催化剂的物化性能及其在甲烷部分氧化制合成气中的应用[J].石油化工,2010,39(12):1 319-1 325Zhang Jun,Zhao Ning,Xiao Fukui,et al.Physicochemical properties of Ni MgAlO-F catalyst and its application to partial oxidation of methane[J].Petrochemical Technology,2010,39(12):1 319-1 325(in Chinese)
[20]Yin F,Ji S,Wu P,et al.Preparation,characterization,and methane total oxidation of AAl12O19and AMAl11O19hexaaluminate catalysts prepared with urea combustion method[J].Journal of Molecular Catalysis A:Chemical,2008,294(1/2):27-36
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[22]胡瑞生,阿山,吕宏缨,等.焙烧温度对稀土钻系复合氧化物催化剂结构与性能的影响[J].分子催化,2002,16(12):127-130Hu Ruisheng,A Shan,Lv Hongying,et al.Effect of calcination temperature on structure and properties of rare earth diamond complex oxide catalysts[J].Journal of Molecular Catalysis,2002,16(12):127-130(in Chinese)