Removal of cadmium ion from wastewater by carbon-based nanosorbents: a review

A green environment and a healthy life are dream projects of today's science and technology to save the world. Heavy metal ions in water affect both environment and human health. Cadmium has been identified as one of the heavy metals that causes acute or chronic toxic effects if ingested. Incre...

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Bibliographic Details
Published in:Journal of water and health 2015-03, Vol.13 (1), p.18-33
Main Authors: Kumar, Rajeev, Chawla, Jyoti, Kaur, Inderpreet
Format: Article
Language:English
Subjects:
Adsorbents
Adsorption
Cadmium
Cadmium - chemistry
Cadmium Poisoning
Carbon
Carbon - chemistry
Drinking water
Efficiency
Heavy metals
Humans
Ions
Metals
Methods
Nanocomposites
Nanomaterials
Nanostructure
Nanostructures - chemistry
Nanotubes
Nervous system
Poisoning
Polyamines
Quantum dots
Removal
Sorbents
Toxicity
Waste Disposal, Fluid - methods
Waste Water
Wastewater
Wastewater treatment
Water Pollutants, Chemical - chemistry
Water pollution
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Summary:A green environment and a healthy life are dream projects of today's science and technology to save the world. Heavy metal ions in water affect both environment and human health. Cadmium has been identified as one of the heavy metals that causes acute or chronic toxic effects if ingested. Increasing use of cadmium in different technological fields has raised concern about its presence and removal from water/wastewater. Researchers have made many systematic efforts to remove heavy metals from water to reduce their impact on human beings and the environment. Adsorption is one of the best methods to remove heavy metals from water among the different proposed methods. This study explores carbon-based nanosorbents which have been proved as effective adsorbents for removal of cadmium ions from water. The adsorption efficiency of carbon-based nanosorbents is the main criterion to rank and select them for removal of cadmium ions from water. Toxicity, reusability and environmentally friendly characteristics of sorbents are also taken considered while ranking the suitable carbon-based nanosorbents for removal of cadmium ions from water.
ISSN:1477-8920
1996-7829
DOI:10.2166/wh.2014.024