不同制备方法对AlOOH结构和甲醇脱水性能的影响

doi:10.11949/j.issn.0438-1157.20150002

化工学报 ›› 2015, Vol. 66 ›› Issue (6): 2112-2117.DOI: 10.11949/j.issn.0438-1157.20150002

• 催化、动力学与反应器 • 上一篇下一篇

不同制备方法对AlOOH结构和甲醇脱水性能的影响

卫荣荣¹, 高志华¹, 郝树宏², 黄伟¹

1. 太原理工大学煤科学与技术教育部和山西省重点实验室, 山西太原 030024;
2. 山西电力科学研究院, 山西太原 030001

收稿日期:2015-01-04 修回日期:2015-02-15 出版日期:2015-06-05 发布日期:2015-06-05
通讯作者: 高志华
基金资助:
山西省自然科学基金项目(2012011046-1)。

Effects of different preparation methods on structures and catalytic performances of AlOOH for methanol dehydration

WEI Rongrong¹, GAO Zhihua¹, HAO Shuhong², HUANG Wei¹

1. Key Laboratory of Coal Science and Technology of Education Ministry and Shanxi Province, Taiyuan University of Technology, Taiyuan 030024, Shanxi, China;
2. Shanxi Electric Power Research Institute, Taiyuan 030001, Shanxi, China

Received:2015-01-04 Revised:2015-02-15 Online:2015-06-05 Published:2015-06-05
Supported by:
supported by the National Natural Science Foundation of Shanxi Province (2012011046-1).

摘要/Abstract

摘要：

采用完全液相、水热和沉淀法制备了4种不同的AlOOH催化剂, 选用工业AlOOH(SB粉)作为对照催化剂, 分别用XRD、NH₃-TPD-MS、FT-IR、氮物理吸附和热重分析等方法对催化剂进行了表征并将其用于固定床甲醇脱水制二甲醚反应。活性评价结果显示, 不同方法制备的AlOOH催化剂的甲醇脱水能力存在明显差异, 完全液相法制备的催化剂经焙烧除炭后活性高, 稳定性好, 特别是有良好的低温催化活性, 而沉淀法制备的催化剂活性低且稳定性差。表征结果发现, 与γ-Al₂O₃不同, AlOOH表面拥有强、弱两种酸性中心, 弱酸量相对较高的AlOOH催化剂具有强的甲醇脱水能力, 较多晶格缺陷和晶粒度适中的催化剂有利于甲醇脱水能力的提高。

关键词: AlOOH, 甲醇脱水, 二甲醚, 完全液相法, 催化剂, 固定床, 制备

Abstract:

In this work, four different AlOOH catalysts prepared by complete liquid-phase technology, hydrothermal and precipitation method are investigated and the industrial AlOOH(SB)is used as a control. These catalysts are characterized by XRD, NH₃-TPD-MS, FT-IR, N₂ adsorption-desorption and TG-DTG, and evaluated in a fixed-bed reactor for methanol dehydration. The results show that significant differences exist in these catalysts of methanol dehydration. The AlOOH catalyst prepared by compete liquid-phase technology followed by calcination for removing deposited carbon on the surface displays the highest activity and good stability, especially the performance in low temperature. On the contrary, the AlOOH catalyst prepared by precipitation method shows the worst activity and bad stability. Combined characterization results with catalytic performance, it can be found that the AlOOH catalyst has weak and strong acid sites, while γ-Al₂O₃ only has weak acid sites. When the content of weak acid sites is higher than its strong acid sites, the AlOOH catalyst shows better ability of methanol dehydration. On the other hand, more lattice defects and proper grain size of catalysts are beneficial to the improvement of the ability of methanol dehydration.

Key words: AlOOH, methanol dehydration, dimethyl ether, complete liquid-phase technology, catalyst, fixed-bed, preparation

中图分类号:

O643.32

卫荣荣, 高志华, 郝树宏, 黄伟. 不同制备方法对AlOOH结构和甲醇脱水性能的影响[J]. 化工学报, 2015, 66(6): 2112-2117.

WEI Rongrong, GAO Zhihua, HAO Shuhong, HUANG Wei. Effects of different preparation methods on structures and catalytic performances of AlOOH for methanol dehydration[J]. CIESC Journal, 2015, 66(6): 2112-2117.

参考文献 24

[1]	Sardesai A, Gunda A, Lee S, Tartamella T. Carbon dioxide tonerance in the single-stage liquid-phase synthesis of dimethyl ether [J]. Energy Sources, 2000, 22 (1): 77-82.
[2]	Xie Kechang (谢克昌), Li Zhong (李忠). Production and application of coal-based fuel [J]. Journal of Chemical Industry and Engineering (China) (化工学报), 2004, 55 (9): 1393-1399.
[3]	Arkharov A M, Glukhov S D, Grekhov L V,Zherdev A A,Ivashchenko N A,Kalinin D A,Sharaburin A V,Aleksandrov A A. Use of dimethyl ether as engine fuel and cooling medium [J]. Khim I Neft Mashinostr., 2003 (6): 17-21.
[4]	Mao Liqiu (毛丽秋), Yin Dulin (尹笃林), Zheng Jingzhi (郑净植). Study on kinetics of methanol dehydration to dimethyl ether on modified kaolin [J]. J. Mol. Catal. (China) (分子催化), 2000, 14 (5): 379-383.
[5]	Li Hansheng (黎汉生), Xu Hang (徐航), Wu Qin (吴芹). Progresses in study of solid acid catalysts for dimethyl ether synthesis through methanol dehydration [J].Petrochemical Technology (石油化工), 2010, 39 (9): 1052-1058.
[6]	Yang Yuwang (杨玉旺), Dai Qing (戴清), Liu Jingli (刘敬利). Catalyst for dehydration of methanol to dimethyl ether [J]. Chemical Industry and Engineering Progress (化工进展), 2013, 32 (4): 816-819.
[7]	Xu M T, Lunsford Jack H, Goodman D W, Bhattacharyya A. Synthesis of dimethyl ether from methanol over solid-acid catalysts [J]. Appl. Catal. A Gen., 1997, 149 (2): 289-301.
[8]	Wang Shouguo (王守国), Wang Yuanhong (王元鸿), Shao Yun (邵允), Gong Jian (龚剑), Qu Lunyu (瞿伦玉). Conversion of methanol into dimethyl ether over supported heteropoly acid composite catalyst at elevated pressure [J]. J. Mol. Catal. (China) (分子催化), 2001, 15 (3): 201-205.
[9]	Kim S D, Baek S C, Lee Y. Effect of γ-alumina content on catalytic performance of modified ZSM-5 for dehydration of crude methanol to dimethyl ether [J]. Applied Catalysis A: General, 2006, 309 (1): 139-143
[10]	Fu Y C, Hong T, Chen J P, Auroux A, Shen J Y. Surface acidity and the dehydration of methanol to dimethyl ether [J]. Thermochim Acta, 2005, 434: 22.
[11]	Liu Lei (刘雷), Huang Wei (黄伟), Gao Zhihua (高志华), Wang Xiaodong (王晓东). The preparation method of catalyst for DME synthesis from methanol dehydration [P]: CN,101157019.2008-04-09.
[12]	Liu Lei (刘雷), Huang Wei (黄伟). Synthesis and catalytic activity of AlOOH catalyst for methanol dehydration to dimethyl ether//7th Asia Pacific Conference on Sustainable Energy and Environmental Technologies [C]. Qingdao, 2009.
[13]	Luan Chunhui (栾春晖), Lü Jingwei (吕经纬), Yin Lihua (阴丽华), Huang Wei (黄伟). Catalysis performance of AlOOH catalysts prepared by complete liquid-phase method for methanol dehydration to dimethyl ether in a fixed bed [J]. Journal of Taiyuan University of Technology (太原理工大学学报), 2014, 45 (1): 92-96.
[14]	Liu Lei (刘雷). Studies on the methanol dehydration component of catalyst for DME synthesis in slurry reactor[D]. Taiyuan: Taiyuan University of Technology, 2010.
[15]	Liu L, Huang W, Gao Z H, Yin L H. The dehydration of methanol to dimethyl ether over a novel slurry catalyst [J]. Energy Sources Part A: Recovery, Utilization, and Environmental Effects, 2010, 32 (15): 1379-1387.
[16]	Liu L, Huang W, Gao Z H, Yin L H. The synthesis and catalytic activity of slurry catalyst for methanol dehydration to dimethyl ether [J]. Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2012, 34 (8): 682-691.
[17]	Liu L, Huang W, Gao Z H, Yin L H. Synthesis of AlOOH slurry catalyst and catalytic activity for methanol dehydration to dimethyl ether [J]. J. Ind. Eng. Chem., 2012, 18 (1): 123-127.
[18]	Hu Jianshui (胡建水), Wang Chengjun (王程俊), Liu Lei (刘雷), Zuo Zhijun (左志军), Huang Wei (黄伟), Xie Kechang (谢克昌). Kinetics and DFT study of complete liquid-phase catalyst for dehydration of methanol to dimethyl ether [J]. CIESC Journal (化工学报), 2012, 63 (3): 819-825.
[19]	Music S, Dragcevic D, Popovic S. Hydrothermal crystallization of boehmite from freshly precipitated aluminium hydroxide [J]. Materials Letter, 1999, 40: 269-274.
[20]	Lin Jian (林健), Cai Fan (蔡钒), Zhang Guoyu (张国玉), Yang Lefu (杨乐夫), Yang Jinyu (杨金玉), Fang Weiping (方维平). Preparation of morphology-tuned γ-MnO2 and catalytic performance for the liquid-phase oxidation of toluene [J]. Acta Phys. Chim. Sin. (物理化学学报), 2013, 29 (3): 597-604.
[21]	Xie Feng (解峰), Li Hansheng (黎汉生), Zhao Xueliang (赵学良), Ren Fei (任飞), Wang Dezheng (王德峥), Wang Jinfu (王金福), Liu Jingli (刘敬利). Adsorption and dehydration of methanol on Al2O3 catalyst [J]. Chinese Journal of Catalysis (催化学报), 2004, 25 (5): 403-408.
[22]	Krishna P G, Padmaja P, Warrier K G K. Dehydroxylation and high temperature phase formation in sol-gel boehmite characterized by fourier transform infrared spectroscopy [J]. Journal of Materials Science Letters, 1997, 16: 1584-1587.
[23]	Luo Yuchang (罗玉长). The structure evolution of pseudo-boehmite [J]. Chin. J. Inorganic Chemicals Ind. (无机盐工业), 1998, 2: 3-5.
[24]	Xiong Fei (熊飞), Wang Dajian (王达健), Meng Yanshuang (蒙延双), Xiao Yaming (肖亚明). Peptizing process parameters and colloidal particle structure of pseudo-boehmite [J]. Journal of Materials and Metallurgy (材料与冶金学报), 2004, 3 (3): 236-240.

不同制备方法对AlOOH结构和甲醇脱水性能的影响

Effects of different preparation methods on structures and catalytic performances of AlOOH for methanol dehydration

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