| Lanthanum-Promoted Ru／Sepiolite in Ammonia Synthesis |
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| 引用本文： | 乐治平,林建新,俞秀金,黄跃宇,魏可镁.Lanthanum-Promoted Ru／Sepiolite in Ammonia Synthesis[J].中国稀土学报(英文版),2005,23(3):386-388. |
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| 作者姓名： | 乐治平 林建新 俞秀金 黄跃宇 魏可镁 |
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| 作者单位： | Department of Chemistry，Nanchang University，Nanchang 330047，China，The National Engineering Research Center of Chemical Fertilizer Catalytic Agent，Fuzhou University，Fuzhou 350002，China，The National Engineering Research Center of Chemical Fertilizer Catalytic Agent，Fuzhou University，Fuzhou 350002，China，The National Engineering Research Center of Chemical Fertilizer Catalytic Agent，Fuzhou University，Fuzhou 350002，China，The National Engineering Research Center of Chemical Fertilizer Catalytic Agent，Fuzhou University，Fuzhou 350002，China |
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| 摘 要： | Theiron basedcatalystsforammoniasynthesishavethecommonproblemsoflowefficiency ,highconsumptionofenergy ,strictrequirementforequip ment,andlowoperationflexibility ,etc .,anditishardtoradicallylowerenergyconsumptionbysimplyimprovingiron basedcatalystsproper…
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| 关 键 词： | 镧 钌 海泡石 氨合成法 稀土 |
Lanthanum-Promoted Ru/Sepiolite in Ammonia Synthesis |
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| Le Zhiping,Lin Jianxin,Yu Xiujin,Huang Yueyu,Wei Kemei.Lanthanum-Promoted Ru/Sepiolite in Ammonia Synthesis[J].Journal of Rare Earths,2005,23(3):386-388. |
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| Authors: | Le Zhiping Lin Jianxin Yu Xiujin Huang Yueyu Wei Kemei |
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| Abstract: | A new kind of Ru supported on sepiolite catalyst with La as promoter for ammonia synthesis was prepared. The effects of reaction conditions on catalytic activity were discussed. The result shows that La is an effective promoter for sepiolite-supported Ru based catalyst. When the load of Ru is 5% (mass fraction), and the molar ratio of La/Ru is 1.5, under the condition of 10 MPa 450 ℃ 20000 h-1, the ammonia synthesis rate is 38.5 mmol NH3·g-1·h-1. |
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| Keywords: | lanthanum sepiolite ruthenium ammonia synthesis rare earths |
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