The textile industry produces large quantities of wastewater containing several chemicals (used for preparing, purifying, coloring and finishing textile products). Different treatments methods must be used in stages to safely discharge textile effluent. One of the main pollutants of these effluent is a textile dye, which can been removed by adsorption. Chitosan has excellent properties as adsorbent and has been chemically modified to enhance its performance. The best results in modifying Chitosan were achieved using nanomaterials as part of composites. Chitosan could not yet be replaced as an adsorbent by other chemical compounds because it is relatively inexpensive and has high adsorption capacity.
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This chapter analyses available materials based on Chitosan for wastewater treatment, specifically for textile effluents, as a basis for chitosan composite research.
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This book propose a novel methodology for risk evaluation. Uses fuzzy logic to generate a risk matrix with a sophisticated technique offering a continuous improvement for risk analysis. This work gave the author an honorary mention while obtaining his Master degree (Management and Engineering).