Adsorption kinetics and column operations for the removal and recovery of malachite green from wastewater using bottom ash
作者： VK Gupta , Alok Mittal , Lisha Krishnan , Vibha Gajbe , None
DOI: 10.1016/J.SEPPUR.2004.01.008
关键词: Freundlich equation 、 Adsorption 、 Malachite green 、 Wastewater 、 Bottom ash 、 Chromatography 、 Mass transfer 、 Chemical engineering 、 Kinetics 、 Langmuir 、 Chemistry
摘要: Abstract The thermal power plant waste material, ‘bottom ash’ was utilized as a potential adsorbent for the toxic textile dye ‘malachite green’. Preliminary information gathered by batch adsorption studies, which include effect of pH, dose, contact time, adsorbate concentration and temperature. Plausible mechanism on-going process thermodynamic parameters involved were obtained carrying out kinetic measurements. data successfully used to equate Langmuir Freundlich isotherm models. A fixed-bed column designed necessary calculated applying mass transfer approach. Attempts also made recover regenerate column.
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