Preparation and Hydrolysis Behavior of High Concentration Polyaluminium Chloride Solutions with High Content of Al-b
文献类型：期刊论文
| 作者 | Jia Jian-Jun ; Zhao Chang-Wei ; Zhang Jing-Bo ; Luan Zhao-Kun ; Wu Jie-Wei ; Liu Cheng-Xi |
| 刊名 | CHINESE JOURNAL OF INORGANIC CHEMISTRY
 |
| 出版日期 | 2009-02 |
| 卷号 | 25期号:2页码:345-349 |
| 关键词 | high concentration polyaluminium chloride membrane distillation hydrolysis Al species distribution |
| 中文摘要 | The formation and characterization of high concentration polyaluminum chloride (PAC) with high content of Al-b is always researchers interests and goal. In this paper high concentration (Al-T=2.52 mol.L-1) PAC with high Al-b content (Al-b=88%) was successfully prepared by membrane distillation based on low concentration (Al-T=0.208 mol.L-1) PAC by chemical synthesis for the first time. Membrane distillation process temperature was controlled with feed temperature at 55 degrees C and distillation temperature at 20 degrees C respectively. Two new coagulants with high content of Al-b were used to make a comparison on their hydrolysis behavior and speciation in different conditions. The effects of dilution ratio, pH and dilution time on Al species distribution were investigated by Ferron Assay. Experimental result showed that the content of Al-b decreased relatively sharply only when dilution began, after the content change of Al-b was little with the increase of dilution ratio and could obtain high content (Al-b>70%) in whole dilution process. pH had some effect on Al species distribution In the alkaline region, the content of Al-a increased but the content of Al-b and Al-c decreased with the increase of pH in the alkaline region. The high content of Al-b and the low content of Al-a could maintain stability in the acidic and basic region. The effect of dilution time was relatively little, the high content of Al-b could exist a long time stability. The results indicated that two coagulants with significant amounts of highly charged and stable polynuclear aluminum hydrolysis products are less affected by the hydrolysis conditions and maintain high speciation stability under the various conditions investigated. |
| WOS记录号 | WOS:000264016100027 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/21720]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Jia Jian-Jun,Zhao Chang-Wei,Zhang Jing-Bo,et al. Preparation and Hydrolysis Behavior of High Concentration Polyaluminium Chloride Solutions with High Content of Al-b[J]. CHINESE JOURNAL OF INORGANIC CHEMISTRY,2009,25(2):345-349. |
| APA | Jia Jian-Jun,Zhao Chang-Wei,Zhang Jing-Bo,Luan Zhao-Kun,Wu Jie-Wei,&Liu Cheng-Xi.(2009).Preparation and Hydrolysis Behavior of High Concentration Polyaluminium Chloride Solutions with High Content of Al-b.CHINESE JOURNAL OF INORGANIC CHEMISTRY,25(2),345-349. |
| MLA | Jia Jian-Jun,et al."Preparation and Hydrolysis Behavior of High Concentration Polyaluminium Chloride Solutions with High Content of Al-b".CHINESE JOURNAL OF INORGANIC CHEMISTRY 25.2(2009):345-349. |
入库方式： OAI收割
来源：生态环境研究中心
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