Adsorption of Cr(VI) from aqueous solution by two kinds of pillared bentonites

被引：0
|
作者：
Wang, Zhen [1 ,2 ]
Cheng, Zesheng [1 ]
Liu, Yu [1 ]
Bo, Nana [1 ]
Li, Shuping [2 ]
机构：
[1] Key Lab Pulp & Paper Sci & Technol, Jinan, Shandong, Peoples R China
[2] Shandong Polytech Univ, key Lab cleaner product & Ind, Resourcizat Univ, Jinan, Shandong, Peoples R China
来源：
MATERIAL DESIGN, PROCESSING AND APPLICATIONS, PARTS 1-4 | 2013年 / 690-693卷
关键词：
modified bentonite; smectite; Cr(VI); effluent; adsorption;
D O I：
10.4028/www.scientific.net/AMR.690-693.1037
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The hydroxy-aluminum pillared bentonite(OH-Al-bent) and aluminum pillared bentonite(Al-bent) were synthesized and characterized by XRD and SEM analysis. The yield of products and the adsorbent capabilities for Cr(VI) from aqueous solution were investigated, and the optimal experimental conditions including adsorption time, reagent dosage, the initial concentration of Cr(VI) and PH that might influent the adsorption performance were also investigated. It was observed that the adsorption capabilities of OH-Al-bent was better than AI-bent. The efficiency of Cr(VI) removal were better when the dosage of the sorbent was higher. And a reagent dosage of 7g/L, adsorption time of 60min, PH of 4 were selected as an optimum conditions.
引用
收藏
页码：1037 / +
页数：2
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