DETERMINATION OF THERMODYNAMIC AND KINETIC PARAMETERS DURING SORPTION OF PHOSPHOROUS BY WEAKLY ANION EXCHANGER

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SAMARGHANDI MOHAMMAD REZA; RAHMANI ALI REZA; NOORI SEPEHR MOHAMMAD; ZARRABI MANSUOR; BORJI SAIED

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Journal: WATER AND WASTEWATER Year:2013 | Volume:24 | Issue:3 (87) Page(s): 2-11

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Title

DETERMINATION OF THERMODYNAMIC AND KINETIC PARAMETERS DURING SORPTION OF PHOSPHOROUS BY WEAKLY ANION EXCHANGER

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Keywords

ADSORPTIONQ2

PHOSPHOROUSQ2

EUTROPHICATIONQ2

THERMODYNAMICQ1

Abstract

Removal of PHOSPHOROUS for control of EUTROPHICATION in receiving water is necessary and of great concern for environmental protection. In this work, weak anion exchange resin with OH- was used for removal of PHOSPHOROUS from model solution. All experiments were conducted in a batch system. Various parameters such as pH, initial PHOSPHOROUS concentration, solution temperature, resin dosage and reaction time were studied. High removal was observed at pH 5. After 150 minute reaction time at pH 5 and 0.5 g/L of adsorbent, PHOSPHOROUS concentration decreased form initial concentrations of 5, 10 and 15 mg/L to below 0.8 mg/L. Experimental data was best fitted onto pseudo-second order model. In addition it was found that film diffusion model is the main rate controlling step in this reaction. THERMODYNAMIC studies demonstrated that removal of PHOSPHOROUS is an exothermic reaction and randomness in solid-liquid surface during sorption process.

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APA: Copy

SAMARGHANDI, MOHAMMAD REZA, RAHMANI, ALI REZA, NOORI SEPEHR, MOHAMMAD, ZARRABI, MANSUOR, & BORJI, SAIED. (2013). DETERMINATION OF THERMODYNAMIC AND KINETIC PARAMETERS DURING SORPTION OF PHOSPHOROUS BY WEAKLY ANION EXCHANGER. WATER AND WASTEWATER, 24(3 (87)), 2-11. SID. https://sid.ir/paper/103614/en

Vancouver: Copy

SAMARGHANDI MOHAMMAD REZA, RAHMANI ALI REZA, NOORI SEPEHR MOHAMMAD, ZARRABI MANSUOR, BORJI SAIED. DETERMINATION OF THERMODYNAMIC AND KINETIC PARAMETERS DURING SORPTION OF PHOSPHOROUS BY WEAKLY ANION EXCHANGER. WATER AND WASTEWATER[Internet]. 2013;24(3 (87)):2-11. Available from: https://sid.ir/paper/103614/en

IEEE: Copy

MOHAMMAD REZA SAMARGHANDI, ALI REZA RAHMANI, MOHAMMAD NOORI SEPEHR, MANSUOR ZARRABI, and SAIED BORJI, “DETERMINATION OF THERMODYNAMIC AND KINETIC PARAMETERS DURING SORPTION OF PHOSPHOROUS BY WEAKLY ANION EXCHANGER,” WATER AND WASTEWATER, vol. 24, no. 3 (87), pp. 2–11, 2013, [Online]. Available: https://sid.ir/paper/103614/en

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