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第 36 卷第 4 期Vol. 36 No. 4
2006 年 8 月Aug 2006

所屬欄目:功能材料

負載型鈮系催化劑載體的選擇、表征與應用研究
龔慧芳; 彭紅建(湖南工業(yè)大學(xué)包裝與印刷學(xué)院; 中南大學(xué)化學(xué)化工學(xué)院; 湖南株洲; 湖南長(cháng)沙)
摘 要:對負載型鈮系催化劑載體的選擇進(jìn)行了研究,選用HZSM-5作為載體效果較佳。采用前沿色譜法、NH3-TPD和CO2-TPD及XRD等多種方法對負載型催化劑進(jìn)行了表征,能與其催化活性較好地關(guān)聯(lián)。用于乙酸酯類(lèi)化合物的合成,單程收率可達93%以上,選擇性為100%。
關(guān)鍵詞:鈮系催化劑; 載體; 表征
中圖分類(lèi)號:TQ426.8  文獻標識碼:A  文章編號:1009-9212(2006)04-0040-03
Selection,Characterization and Appllication of Carriers for Supported Niobium Series Catalysts
GONG Hui-fang1; PENG Hong-jian2 (1. College of Packing and Printing; Hunan University of Technology; Zhuzhou 412008; China; 2. College of Chemistry and Chemical Engineering; Central South University; Changsha 410083; China)
Abstract:Selection of carriers for supported niobium series catalyst was systematically studied in this paper. HZSM-5 was the best among carriers of catalyst. This catalyst was characterized by frontal chromatography,NH3-TPD,CO2-TPD and XRD technique,and had a good correlation with its catalytic activity. The single conversion rate and selectivity was above 93% and 100%,respectively,when the catalyst was used to synthesize acetic esters.
Key words:niobium series catalyst; carrier; characterization
基金項目:湖南省科技廳資助項目(No.05FB0427)
收稿日期:2006-06-01
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