New PDF release: CO2 Sequestration, Biofuels and Depollution

By Eric Lichtfouse, Jan Schwarzbauer, Didier Robert

ISBN-10: 3319119052

ISBN-13: 9783319119052

ISBN-10: 3319119060

ISBN-13: 9783319119069

Water is the driver of all nature. This previous quote from Leonardo da Vinci reminds us that with out water lifestyles will never be attainable. consequently, water is among the most crucial wealth for humanity. then again, ingesting water remains to be polluted through man-made toxicals collected by way of waters in soils and the ambience. This publication provides complex how to fresh water and air. Chapters additionally specialize in biofuels, greenhouse gases and genetically changed crops.

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2007). Granular activated carbon has been also suggested due to its greater efficiency in the removal of NOM, THMs, odor, color and other toxic chemicals (Stuart et al. 2000). In particularly, GAC and PAC have been successfully applied by Hanigan et al. (2012) to remove precursors of halogenated DBPs (Nnitrosodimethylamine precursors) from river water and wastewater treatment plants. After 4 h of contact time, NDMA precursors were reduced by 37, 59, and 91 % using 3, 8 and 75 mg/L of PAC. Besides, high NDMA precursor reduction ranging from 60 to 90 % was achieved across GAC contactors.

NF membrane filtration promotes significant reduction of THM and HAA formation from waters (above 90 % of THM and HAA reduction) (Ates et al. 2009). The flux of NF membranes was related to their hydrophobicity and charges. Fouling by NOM adsorption was an important factor in hydrophobic and positively charged membranes, whereas it was negligible for hydrophilic and negatively charged membranes (Lee et al. 2007). Many factors affect membrane fouling by natural organic matter (NOM), including the nature of the NOM (size, hydrophobicity, and charge), the membrane (hydrophobicity, charge, and surface roughness), the solution (pH, ionic strength, hardness ion concentration) and the hydrodynamic systems (solution flux, surface shear) (Taniguchi et al.

2009; Wiszniowski et al. 2002). Photocatalytic process using Pd-modified N-doped TiO2 photocatalyst has been successfully applied by Nkambule et al. (2012) to remove natural organic matter fractions from drinking water treatment plant under visible irradiation. Over a period of 120 min of simulated solar irradiation, photocatalytic degradation efficiency of 96, 38 and 15 % were recorded for hydrophobic, hydrophilic and transphilic natural organic matter fractions, respectively. 4 Future Perspectives and Potential Research Directions Inadequate protection of water distribution system may lead to increase the exposure to pathogenic microorganisms.

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CO2 Sequestration, Biofuels and Depollution by Eric Lichtfouse, Jan Schwarzbauer, Didier Robert

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