Removal of arsenic from groundwater using low cost ferruginous manganese ore

被引：277

作者：

Chakravarty, S ^{[1
]}

Dureja, V ^{[1
]}

Bhattacharyya, G ^{[1
]}

Maity, S ^{[1
]}

Bhattacharjee, S ^{[1
]}

机构：

[1] Natl Met Lab, Div Analyt Chem, Jamshedpur 831007, Bihar, India

来源：

WATER RESEARCH | 2002年 / 36卷 / 03期

关键词：

ferruginous manganese ore; arsenic removal; groundwater;

D O I：

10.1016/S0043-1354(01)00234-2

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A low cost ferruginous manganese ore (FMO) has been studied for the removal of arsenic from groundwater. The major mineral phases present in the FMO are pyrolusite and goethite. The studied FMO can adsorb both AS(III) and As(V) without any pre-treatment, adsorption of As(III) being stronger than that of As(V). Both As(III) and As(V) are adsorbed by the FMO in the pH range of 2-8. Once adsorbed, arsenic does not get desorbed even on varying the pH in the range of 2-8. Presence of bivalent cations, namely, Ni2+, Co2+, Mg2+ enhances the adsorption capability of the FMO. The FMO has been successfully used for the removal of arsenic from six real groundwater samples containing arsenic in the range of 0.04-0.18 ppm. Arsenic removals are almost 100% in all the cases. The cost of the FMO is about 50-56 US$ per metric tonne. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：625 / 632

页数：8

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