Preparation of Active Alumina Film Supported Multi-pore Zeolite Balls and Application of This Porous System in As Adsorption

doi:10.6023/A1105161

Acta Chimica Sinica ›› 2012, Vol. 70 ›› Issue (9): 1059-1065.DOI: 10.6023/A1105161 Previous Articles Next Articles

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氧化铝负载多孔沸石球的制备及其在As 吸收中的应用

崔光^a, 付云飞^b, 罗军^a, 刘培生^a, 丁爱中^b

a. 北京师范大学核科学与技术学院北京 100875;
b. 北京师范大学水科学研究院北京 100875

投稿日期:2011-08-16 修回日期:2011-12-18 发布日期:2012-01-04
通讯作者: 刘培生 E-mail:liu996@263.net
基金资助:
中央高校基本科研业务费专项资金(No. 2009SD-26)和北京师范大学测试基金(C10)资助项目.

Preparation of Active Alumina Film Supported Multi-pore Zeolite Balls and Application of This Porous System in As Adsorption

Cui Guang^a, Fu Yunfei^b, Luo Jun^a, Liu Peisheng^a, Ding Aizhong^b

a. College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875;
b. College of Water Science, Beijing Normal University, Beijing 100875

Received:2011-08-16 Revised:2011-12-18 Published:2012-01-04
Supported by:
The Fundamental Research Funds for the Central Universities (No. 2009SD-26) and Testing Fund of Beijing Normal University (C10).

A new kind of multi-pore zeolite ball was prepared by powder sintering method at 1100～1300 ℃ for 1 h. Nature zeolite clinoptilolite was used as raw material. The diameter of sintered zeolite ball was 3～5 mm and the macro-pore diameter in the zeolite ball was about 1 mm. Compressive strength of the zeolite ball can reach 1.703×10⁶ Pa. Sintering mechanism was studied by comparing the XRD and IR patterns of nature zeolite and sintered zeolite. Specific surface area of the multi-pore zeolite ball was calculated by BET adsorption method as 7.053 m²/g. Plenty of macro-pores and meso-pores were observed on the multi-pore zeolite ball by SEM method. Activated alumina was supported on the ball and a kind of multi-pore zeolite ball which has a good ability in absorbing the As ions was prepared. The mechanism of As adsorption on multi-pore zeolite balls was also studied. Research shows that the activated alumina supported zeolite ball has a wide application prospect in waste water treatment.

Key words: multi-pore zeolite, powder sintering, activated alumina supported, As absorption

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Cui Guang, Fu Yunfei, Luo Jun, Liu Peisheng, Ding Aizhong. Preparation of Active Alumina Film Supported Multi-pore Zeolite Balls and Application of This Porous System in As Adsorption[J]. Acta Chimica Sinica, 2012, 70(9): 1059-1065.

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氧化铝负载多孔沸石球的制备及其在As 吸收中的应用

Preparation of Active Alumina Film Supported Multi-pore Zeolite Balls and Application of This Porous System in As Adsorption

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