Preparation and performance evaluation of alumina sol prepared for FCC catalyst

doi:10.11949/j.issn.0438-1157.20160379

CIESC Journal ›› 2016, Vol. 67 ›› Issue (8): 3515-3520.DOI: 10.11949/j.issn.0438-1157.20160379

Preparation and performance evaluation of alumina sol prepared for FCC catalyst

SU Kaimin¹, YIN Jianjun¹, ZHANG Zhongdong², WANG Huili¹, MENG Yanzi¹, GAO Xionghou²

1 College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou 730050, Gansu, China;
2 Lanzhou Petrochemical Research Center PetroChina, Lanzhou 730060, Gansu, China

Received:2016-03-30 Revised:2016-06-25 Online:2016-08-05 Published:2016-08-05
Supported by:
supported by the National Basic Research Program of China (2012CB215001).

FCC催化剂用铝溶胶的制备及性能评价

苏凯民¹, 尹建军¹, 张忠东², 王会丽¹, 蒙燕子¹, 高雄厚²

1 兰州理工大学石油化工学院, 甘肃兰州 730050;
2 中国石油兰州化工研究中心, 甘肃兰州 730060

通讯作者: 尹建军
基金资助:
国家重点基础研究发展计划项目(2012CB215001)。

Abstract

Abstract:

The alumina sol with high content of Al₂O₃ was prepared by acidolysis-peptizing with aluminum as an additive. Its physical and chemical properties were characterized by pH meter, rheometer, digital viscometer and zeta potential analyzer. Catalytic performance of catalyst that was prepared with alumina sol was evaluated through a fixed-bed. The results showed that the alumina content can reach 20% (mass) of the alumina sol sample with aluminum powder pH of 2.3. The alumina sol had good stability and chlorine was not higher than 15% (mass), which can meet the FCC cracking catalyst requirements.

Key words: colloid, alumin, catalyst, aluminum powder, peptization process

摘要：

采用添加适量铝粉的酸解-胶化工艺制备铝溶胶,采用pH计、旋转流变仪、纳米粒度与zeta电位仪等对铝溶胶的理化性质进行表征，用制得的铝溶胶样品制备成催化剂进行固定床反应评价。结果表明：采用添加适量铝粉的酸解-胶化工艺制得的铝溶胶氧化铝质量分数可达20%，氯质量分数不高于15%，pH为2.3，溶胶稳定性良好，可以满足FCC催化剂的实际使用要求。

关键词: 胶体, 氧化铝, 催化剂, 铝粉, 胶溶工艺

CLC Number:

TQ028.8

SU Kaimin, YIN Jianjun, ZHANG Zhongdong, WANG Huili, MENG Yanzi, GAO Xionghou. Preparation and performance evaluation of alumina sol prepared for FCC catalyst[J]. CIESC Journal, 2016, 67(8): 3515-3520.

苏凯民, 尹建军, 张忠东, 王会丽, 蒙燕子, 高雄厚. FCC催化剂用铝溶胶的制备及性能评价[J]. 化工学报, 2016, 67(8): 3515-3520.

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Preparation and performance evaluation of alumina sol prepared for FCC catalyst

FCC催化剂用铝溶胶的制备及性能评价

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