Removal of chromate ions from water by anionic clays

被引：29

作者：

Houri, B

Legrouri, A

Barroug, A

Forano, C

Besse, JP

机构：

[1] Al Akhawayn Univ, Sch Sci & Engn, Ifrane 53000, Morocco

[2] Univ Cadi Ayyad, Chim Phys Lab, Fac Sci Semlalia, Marrakech 40001, Morocco

[3] Univ Clermont Ferrand 2, UPRES A 6002, Lab Mat Inorgan, F-63177 Clermont Ferrand, France

[4] Univ Cadi Ayyad, Fac Sci & Tech, Dept Chim & Environm, Beni Mellal 23000, Morocco

来源：

JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE | 1999年 / 96卷 / 03期

关键词：

anionic clay; layered double hydroxide; ion exchange; chromate; water treatment;

D O I：

10.1051/jcp:1999152

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

The removal of chromate ions from aqueous solutions by [Mg-Al-Cl], [Zn-Al-Cl] and [Zn-Cr-Cl] anionic clays was investigated. The solids, prepared by coprecipitation at constant pH, were found to be pure upon characterisation by X-ray diffraction and Fourier-transform infrared spectroscopy. The interaction of the solid materials with CrO42- ions has been studied by W-visible spectroscopy. The treatment of solutions containing 15 to 300 ppm of CrO42- was successful. The sorption capacities of the anionic clays for the CrO42- ions are close to 1 mmol/g.

引用

页码：455 / 463

页数：9

共 20 条

[1] Studies on removal and recovery of Cr(VI) from electroplating wastes [J].