2021
DOI: 10.1016/j.apradiso.2020.109474
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Active Carbon/PAN composite adsorbent for uranium removal: Modeling adsorption isotherm data, thermodynamic and kinetic studies

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Cited by 54 publications
(24 citation statements)
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“…The second stage appears at pH > 4 and is depicted with dramatically ramp down of the sorption percent which could attributed to the disappear of U(VI) cationic species and the presence of uranium insoluble species [42,43]. The same sorption performance has been reported for U(VI) sorption from aqueous solution using active carbon/PAN composite [14], activated carbon from wood wastes [15], and phosphorylated luffa rattan activated carbon [16].…”
Section: Effect Of Solution Phsupporting
confidence: 62%
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“…The second stage appears at pH > 4 and is depicted with dramatically ramp down of the sorption percent which could attributed to the disappear of U(VI) cationic species and the presence of uranium insoluble species [42,43]. The same sorption performance has been reported for U(VI) sorption from aqueous solution using active carbon/PAN composite [14], activated carbon from wood wastes [15], and phosphorylated luffa rattan activated carbon [16].…”
Section: Effect Of Solution Phsupporting
confidence: 62%
“…This reflects that the rate-controlling step is chemisorption, and the sorption process achieved through a chemical reaction or electron sharing between the metal ions and the active function groups on the applied carbon fiber [42,43]. The same kinetic profile has been reported for uranium(VI) sorption from aqueous solution using active carbon/PAN composite [14], activated carbon from wood wastes [15], and phosphorylated luffa rattan activated carbon [16]. It is worth noted that the sorption capacity of SCB is higher than that of RH sorbent which could be owned to that SCB sorbent possess higher number of function groups than the other one.…”
Section: Effect Of Contact Time and Reaction Kineticssupporting
confidence: 58%
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“…Furthermore, PAN can be easily intercalated in many inorganic fillers and thus the resulting composite maybe useful in industrial and environmental applications such as beneficial thermally resistive material and excellent adsorbent [17,21]. Due to such characteristic features several authors have used PAN as an organic binder for the preparation of PAN-based composite adsorbents [22]. Park et al (2010), studied cobalt, strontium and cesium removal from radioactive laundry waste water using PAN based composites [23].…”
Section: Introductionmentioning
confidence: 99%
“…In order to study the concentration relationship between the solid phase and liquid phase, Langmuir (formula (3.3)) and Freundlich (formula (3.4)) isotherm models were used to fit the concentration relationship of adsorbate between the solid phase and liquid phase [ 34 ]. and where c e was the equilibrium concentration (mg l −1 ); q e and q m represented the equilibrium adsorption capacity and maximum adsorption capacity (mg g −1 ); k L (l mg −1 ) was the Langmuir isotherm constant, k f ((mg g −1 )/(l mg −1 ) 1/n ) and n f were the Freundlich isotherm constants, respectively, which were obtained by liner fitting.…”
Section: Resultsmentioning
confidence: 99%