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<strong>Adsorption potential of NH4Br-soaked activated carbon for cyanide removal from wastewater</strong>

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Title Statement <strong>Adsorption potential of NH4Br-soaked activated carbon for cyanide removal from wastewater</strong>
 
Added Entry - Uncontrolled Name Ramavandi, Bahman ; Environmental Health Engineering Department, Faculty of Health, Bushehr University of Medical Sciences, Bushehr, Iran.
Bushehr University of Medical Sciences
 
Uncontrolled Index Term Adsorption; Cyanide; Isotherm; Kinetic; Populus alba; Thermodynamic
 
Summary, etc. An adsorbent has been prepared from <em>Populus<strong> </strong>alba</em> using the NH<sub>4</sub>Br-soaked activated carbon (NBAC) for cyanide removal. A series of tests have been conducted to evaluate the influence of the main parameters such as the wastewater <em>p</em>H, reaction time, cyanide concentration, and the NBAC quantity obtained upon the adsorption of cyanide onto NBAC. At an optimum <em>p</em>H of 9, more than 97% of the 200 mg/L cyanide is removed by a low NBAC dose of 1.25 mg/L during a 40 min contact time. Kinetic and isotherm modeling studies demonstrate that the experimental data best fit a pseudo-second order and Langmuir model, respectively. The maximum Langmuir adsorption capacity has been attained 102.5 mg/g at 24°C. Thermodynamic study of cyanide adsorption by NBAC has also been carried out. The efficacy of NBCA has been examined by analyzing the removal of cyanide from an industrial wastewater. Overall, NBAC is an efficient and low-cost adsorbent for the removal of different concentrations of cyanide from wastewaters.
 
Publication, Distribution, Etc. Indian Journal of Chemical Technology (IJCT)
2016-05-18 14:30:42
 
Electronic Location and Access application/x-download
http://op.niscair.res.in/index.php/IJCT/article/view/2502
 
Data Source Entry Indian Journal of Chemical Technology (IJCT); ##issue.vol## 22, ##issue.no## 5 (2015): Indian Journal of Chemical Technology
 
Language Note en