Sustainable Polymer Composites and Nanocomposites pp 1407-1440 | Cite as
Nanocomposites for Environmental Pollution Remediation
Abstract
Organic and inorganic contaminants polluting global water resources are concerning environmentalists and scientists. Generally, being non-biodegradable synthetic chemicals and/or highly soluble in water, they get easily mobilized in the environment. Their interaction with abiotic environmental components through adsorption onto natural colloids and accumulation by biotic components (bio-magnification) has adverse effects on ecosystems and human health. Consequently, water treatment to remove these contaminants is necessary. In this context, adsorptive decontamination of water has significant advantages over other water treatment methods. Bio-adsorption or sorption techniques, based on the use of materials of biological origin such as a biopolymer, are eco-friendly and best solution for remediation of heavy metals. Nanocomposites are the hybrid organic-inorganic materials which are effective in adsorptive decontamination of water. The property enhancement observed in nanocomposites when compared to the traditional composites is due to the dispersion of some of the components at the nano level. This chapter describes recent advances on nanocomposites based on biopolymers and inorganic clay minerals aimed at water decontamination through remediation of metal ions and synthetic organic chemicals, especially dyes, from wastewater.
Keywords
Nanocomposites Bionanocomposites Adsorption Environmental remediation Water decontaminationList of abbreviation
- BENT
Bentonite
- CHT
Chitosan
- CNFs
Carbon nanofibers
- CR
Congo red
- CV
Crystal violet
- DB
Disperse blue
- DEA
Diethanolamine
- FG
Fast green
- GL
Gelatine
- HAL
Halloysite
- LBL
Layer by layer
- MB
Methylene blue
- MG
Malachite green
- MMT
Montmorillonite
- MO
Methyl orange
- MWCNT
Multiwall carbon nanotubes
- NPs
Nanoparticles
- OVU
Organovermiculite
- PA6
Polyamides 6
- PAL
Palygorskite
- PFNC
Polymer-functionalized nanocomposites
- PLSN
Polymer-layered silicate nanocomposites
- POPs
Persistent organic pollutants
- RB
Rose Bengal
- RhB
Rhodamine B
- RR
Remazol red
- SEP
Sepiolite
- TEA
Triethanolamine
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