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Removal of Mn, Fe, Ni and Cu Ions from Wastewater Using Cow Bone Charcoal
Facultad de Ciencias, Departamento de Química, Grupo de Investigación en Sólidos Porosos y Calorimetría, Universidad de los Andes, Colombia
Facultad de Ciencias, Departamento de Química, Universidad Nacional de Colombia, Bogotá, Colombia
* Author to whom correspondence should be addressed.
Received: 20 November 2009; in revised form: 4 December 2009 / Accepted: 7 December 2009 / Published: 14 January 2010
Abstract: Cow bone charcoal (CBC) was synthesized and used for the removal of metals ions (manganese, iron, nickel and copper) from aqueous solutions. Two different adsorption models were used for analyzing the data. Adsorption capacities were determined: copper ions exhibit the greatest adsorption on cow bone charcoal because of their size and pH conditions. Adsorption capacity varies as a function of pH. Adsorption isotherms from aqueous solution of heavy metals on CBC were determined. Adsorption isotherms are consistent with Langmuir´s adsorption model. Adsorbent quantity and immersion enthalpy were studied.
Keywords: bone charcoal; immersion enthalpy; adsorption; heavy metals
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MDPI and ACS Style
Moreno, J.C.; Gómez, R.; Giraldo, L. Removal of Mn, Fe, Ni and Cu Ions from Wastewater Using Cow Bone Charcoal. Materials 2010, 3, 452-466.
Moreno JC, Gómez R, Giraldo L. Removal of Mn, Fe, Ni and Cu Ions from Wastewater Using Cow Bone Charcoal. Materials. 2010; 3(1):452-466.
Moreno, Juan Carlos; Gómez, Rigoberto; Giraldo, Liliana. 2010. "Removal of Mn, Fe, Ni and Cu Ions from Wastewater Using Cow Bone Charcoal." Materials 3, no. 1: 452-466.