Removal of elevated level of chromium in groundwater by the fabricated PANI/Fe3O4 nanocomposites

被引：17
作者：
Ramachandran, Aruna [1 ]
Prasankumar, T. [1 ]
Sivaprakash, S. [1 ]
Wiston, Biny R. [1 ]
Biradar, Santhosh [2 ]
Jose, Sujin [1 ,2 ]
机构：
[1] Madurai Kamaraj Univ, Sch Phys, Madurai 625021, Tamil Nadu, India
[2] Rice Univ, Dept Mat Sci & NanoEngn, 6100 Main, Houston, TX 77005 USA
来源：
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH | 2017年 / 24卷 / 08期
关键词：
PANI/Fe3O4; Polymer nanocomposites; Groundwater; Cr removal; In situ polymerization; HEXAVALENT CHROMIUM; AQUEOUS-SOLUTIONS; CR(VI); POLYANILINE; REDUCTION; NANOPARTICLES; ADSORPTION; BIOMATERIALS; MECHANISMS; ALCOHOL;
D O I：
10.1007/s11356-017-8465-z
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this work, we report the reduction of chromium concentration in the polluted groundwater samples from Madurai Kamaraj University area, India, where the dissolved salts in groundwater are reported as serious health hazards for its inhabitants. The water samples have intolerable amounts of total dissolved solids (TDS) and chromium is a prominent pollutant among them. Chromium reduction was achieved by treating the polluted groundwater with PANI/Fe3O4 nanocomposites synthesized by in situ polymerization method. Further experimentation showed that the nanocomposites exhibit better chromium removal characteristics upon increasing the aniline concentration during the synthesis. We were able to reduce chromium concentration in the samples from 0.295 mg L-1 to a tolerable amount of 0.144 mg L-1. This work is expected to open doors for chromium-free groundwater in various regions of India, when improved to an industrial scale.
引用
收藏
页码：7490 / 7498
页数：9
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