Kinetic, equilibrium and thermodynamic adsorption studies - Ndung'u, Samuel;Wanjau, Ruth;Nthiga, Esther
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Consumption of water contaminated with heavy metal ions compromise human and animal wellbeing even at permissible limits. Therefore, their removal from water is very important for the safety of consumers. Previously used conventional water treatment techniques were expensive and ineffective. Among them, adsorption has gained research interest because of its ease in design, environmentally friendly and availability of materials in large quantities, especially from agricultural wastes. Several chemical modification techniques are reported to have improved adsorbents removal capacity, including…mehr

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Produktbeschreibung
Consumption of water contaminated with heavy metal ions compromise human and animal wellbeing even at permissible limits. Therefore, their removal from water is very important for the safety of consumers. Previously used conventional water treatment techniques were expensive and ineffective. Among them, adsorption has gained research interest because of its ease in design, environmentally friendly and availability of materials in large quantities, especially from agricultural wastes. Several chemical modification techniques are reported to have improved adsorbents removal capacity, including the use of modifying agents such as ethylene -1, 2- diamine. In this study, ethylene- 1, 2- diamine modified Jackfruit (Artocarpus heterophyllus Lam.) seeds were used. The raw adsorbent was chemically modified using thionyl chloride and ethylene -1, 2- diamine. Both raw and modified adsorbent were characterized using a Fourier transform infrared spectrophotometer (FT-IR) then employed in batch optimization, kinetic and thermodynamic adsorption experiments.
Autorenporträt
Samuel Ndung¿u earned his B.Sc. (Education) and M. Sc. (Physical Chemistry) from Karatina University, Nyeri Kenya and Kenyatta University, Nairobi Kenya in 2016 and 2021, respectively. He is currently working on his PhD work in Chemistry at the same University. He has published more than 10 referred research papers in reputed journals.