2009
DOI: 10.1016/j.cep.2007.10.004
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Kinetics and thermodynamics studies of chromium(VI) ions adsorption onto activated carbon from aqueous solutions

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Cited by 182 publications
(81 citation statements)
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“…The maximum adsorption capacities observed at pH 5.81.0 (18.00mg/g).Adsorption values at pH greater than 6.9 gives rise to lead precipitation, so that active sites would have achieved saturation above a certain range of pH values. The results obtained are in close agreement with reported studies [19,21].…”
Section: Effect Of Phsupporting
confidence: 83%
See 1 more Smart Citation
“…The maximum adsorption capacities observed at pH 5.81.0 (18.00mg/g).Adsorption values at pH greater than 6.9 gives rise to lead precipitation, so that active sites would have achieved saturation above a certain range of pH values. The results obtained are in close agreement with reported studies [19,21].…”
Section: Effect Of Phsupporting
confidence: 83%
“…Later on, when the pH precede toward basic region and elevated above 5.81, the recorded values of removal ions increase significantly specially at 7 and 9 pH to record higher values. This is attributed to Pb (II) ions precipitated regarding to the formation of lead hydroxide anions due to the dissolution of Pb(OH) 2 as a result [18,21]. …”
Section: Effect Of Phmentioning
confidence: 99%
“…The ther modynamic parameters of adsorption process can be determined from the variation of thermodynamic equilibrium constant, K o [22][23][24] .Where Ko is defined as follow: …”
Section: Thermodynamic Parametersmentioning
confidence: 99%
“…Large amount of effluent laden with toxic heavy metals from industries is discharged into the environment posing threat to public health due to their toxic and persistent nature.High concentrations of chromium are found in wastewater released from the chemical industries especially electroplating and leather tanning industries [1]. Othersources include pigment, paper, paints, steel fabrication, mining and textile dyeing industries.…”
Section: …………………………………………………………………………………………………… Introduction:-mentioning
confidence: 99%