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Organic plant wastes as adsorbents used in water purification systems

Organic plant wastes as adsorbents used in water purification systems

 

Marketed By :  LAP LAMBERT Academic Publishing   Sold By :  Kamal Books International  
Delivery in :  10-12 Business Days

 
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  • Product Description
 

Adsorption studies of Cr(VI) were conducted on 623 K or 723 K carbonized pineapple leaves as well as on dried ones. ThermoGravimetric/Differential Thermal Analysis (TG-DTA) of raw pineapple leaves revealed two main peaks indicating the change in structure of the material with increasing temperature. Some important parameters such as pH, contact time and solution temperature were evaluated. The results shown the high dependence on the parameters with Cr(VI) anions uptake. The removal rate of 90.1 % and the maximum adsorption capacity of 18.77 mg/g were obtained for 723 K carbonized pineapple leaves. Consistent with an endothermic reaction, the mechanism was found to be chemisorption and the system was well described by the pseudo-second order kinetic model. The intraparticle diffusion model, on the other hand, indicated that the system is governed by both film diffusion and intraparticule diffusion. Adsorption isotherm data were described by both Langmuir and Freundlich models. The calculated value of Gibbs free energy suggested that the reaction was spontaneous. Moreover, the Fourier Transform Infrared Spectrometer studies point out the carboxylate ion, aliphatic group (ester) and

Product Specifications
SKU :COC40577
Country of ManufactureIndia
Product BrandLAP LAMBERT Academic Publishing
Product Packaging InfoBox
In The Box1 Piece
Product First Available On ClickOnCare.com2015-02-08
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