EVALUATION OF PHENOL REMOVAL FROM AQUEOUS SOLUTION BY ADSORPTION ONTO ACTIVATED RICE HUSK (ARH) TREATED WITH DIFFERENT CHEMICALS: KINETICS, ISOTHERMS AND THERMODYNAMICS

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ALAHABADI A.; REZAI Z.; HOSSEINI BANDEGHARAEI A.; RAHMANI SANI A.; RASTEGAR A.

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Journal: Journal of Health Year:2016 | Volume:7 | Issue:2 (SUPPLEMENT) Page(s): 196-210

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Title

EVALUATION OF PHENOL REMOVAL FROM AQUEOUS SOLUTION BY ADSORPTION ONTO ACTIVATED RICE HUSK (ARH) TREATED WITH DIFFERENT CHEMICALS: KINETICS, ISOTHERMS AND THERMODYNAMICS

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Keywords

RICE HUSK ASHQ2

CHEMICAL ACTIVATIONQ2

PHENOLQ2

SORPTIONQ2

Abstract

Back ground & objectives: PHENOL is known as the most toxic agent in environment as well as creating unpleasant flavor and smell in water resources. The present research is to assess the effect of different chemical agents in adsorption capacity improvement of ARH a cost-effective absorbent a promising approach for PHENOL removal.Methods: This study is of experimental-intervention type that for capacity improvement RICE HUSK ASH and the effect of different chemical used of) Mgo, CaCL2, KOH, MgCL2, NaOH, SO4NH4, NH4CL, ZnCL2).Then to influences of various factors, such as pH, contact time, initial PHENOL concentrations, adsorbent dose and temperature on the SORPTION capacity of ARH were examined.Results: Study showed that improvement RICE HUSK ASH with ammonium sulfate had the highest efficiency 94.85% and no treat had lowest efficiency 54.7% for PHENOL removal. Process SORPTION of PHENOL followed Longmuir isotherm (R2³0.99) and the kinetic model of pseudo second-order (R2³0.99). The maximum adsorption capacity was calculated 66.6 mg/g based on Langmuir isotherm. Also, the calculated values from thermodynamic parameters showed that the adsorption of PHENOL on ARH is endothermic and spontaneous.Conclusion: These results indicate that ammonium sulfate increases the efficiency of RICE HUSK ASH as sorbent increased. Due to the availability of rice bran and easily modified, it can be absorbing the water and wastewater industry for the removal of aromatic compounds to use.

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APA: Copy

ALAHABADI, A., REZAI, Z., HOSSEINI BANDEGHARAEI, A., RAHMANI SANI, A., & RASTEGAR, A.. (2016). EVALUATION OF PHENOL REMOVAL FROM AQUEOUS SOLUTION BY ADSORPTION ONTO ACTIVATED RICE HUSK (ARH) TREATED WITH DIFFERENT CHEMICALS: KINETICS, ISOTHERMS AND THERMODYNAMICS. JOURNAL OF HEALTH AND HYGIENE, 7(2 (SUPPLEMENT)), 196-210. SID. https://sid.ir/paper/227035/en

Vancouver: Copy

ALAHABADI A., REZAI Z., HOSSEINI BANDEGHARAEI A., RAHMANI SANI A., RASTEGAR A.. EVALUATION OF PHENOL REMOVAL FROM AQUEOUS SOLUTION BY ADSORPTION ONTO ACTIVATED RICE HUSK (ARH) TREATED WITH DIFFERENT CHEMICALS: KINETICS, ISOTHERMS AND THERMODYNAMICS. JOURNAL OF HEALTH AND HYGIENE[Internet]. 2016;7(2 (SUPPLEMENT)):196-210. Available from: https://sid.ir/paper/227035/en

IEEE: Copy

A. ALAHABADI, Z. REZAI, A. HOSSEINI BANDEGHARAEI, A. RAHMANI SANI, and A. RASTEGAR, “EVALUATION OF PHENOL REMOVAL FROM AQUEOUS SOLUTION BY ADSORPTION ONTO ACTIVATED RICE HUSK (ARH) TREATED WITH DIFFERENT CHEMICALS: KINETICS, ISOTHERMS AND THERMODYNAMICS,” JOURNAL OF HEALTH AND HYGIENE, vol. 7, no. 2 (SUPPLEMENT), pp. 196–210, 2016, [Online]. Available: https://sid.ir/paper/227035/en

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