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

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 di...

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Bibliographic Details
Published in:Environmental science and pollution research international 2017-03, Vol.24 (8), p.7490-7498
Main Authors: Ramachandran, Aruna, Prasankumar, T., Sivaprakash, S., Wiston, Biny R., Biradar, Santhosh, Jose, Sujin
Format: Article
Language:English
Subjects:
Aquatic Pollution
Atmospheric Protection/Air Quality Control/Air Pollution
Earth and Environmental Science
Ecotoxicology
Environment
Environmental Chemistry
Environmental Health
Research Article
Waste Water Technology
Water Management
Water Pollution Control
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Summary: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/Fe 3 O 4 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.
ISSN:0944-1344
1614-7499
DOI:10.1007/s11356-017-8465-z