Sorption of Ponceau 4R Anionic Dye from Aqueous Solutions on Aluminum Oxide and Polyurethane Foam

被引：8
|
作者：
Tikhomirova, T. I. [1 ]
Ramazanova, G. R. [1 ]
Apyari, V. V. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Dept Chem, Moscow 119991, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2014年 / 88卷 / 12期
基金：
俄罗斯基础研究基金会;
关键词：
dye; aluminum oxide; polyurethane foam; sorption; PRO MINI-SPECTROPHOTOMETER; ACID DYES; METHYL VIOLET; FOOD DYES; ADSORPTION; EQUILIBRIUM; REMOVAL; DYESTUFFS; BLUE;
D O I：
10.1134/S0036024414120371
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The sorption of Ponceau 4R (E-124) anionic dye on polyurethane foam based on ethers and gamma-Al2O3 from aqueous solutions is studied. It is established that sorption is highest in the range of 0.5 M HCl, pH 2 on polyurethane foam and 0.2 M HCl, pH 6.5 on gamma-Al2O3. Under optimum conditions, the degrees of recovery on polyurethane foam and gamma-Al2O3 are 20-30 and 70-85%, respectively. A possible scheme of interactions between the dye and the surfaces of sorbents is proposed.
引用
收藏
页码：2192 / 2196
页数：5
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