KINETICS MODELING AND ISOTHERMS FOR ADSORPTION OF PHOSPHATE FROM AQUEOUS SOLUTION BY MODIFIED CLINOPTILOLITE

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MALAKOOTIAN MOHAMMAD; YOUSEFI NADER; JAAFARZADEH HAGHIGHIFARD NEEMATALLAH

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Journal: WATER AND WASTEWATER Year:2011 | Volume:22 | Issue:4 (80) Page(s): 21-29

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Title

KINETICS MODELING AND ISOTHERMS FOR ADSORPTION OF PHOSPHATE FROM AQUEOUS SOLUTION BY MODIFIED CLINOPTILOLITE

Author(s)

MALAKOOTIAN MOHAMMAD | YOUSEFI NADER | JAAFARZADEH HAGHIGHIFARD NEEMATALLAH | Issue Writer Certificate

Keywords

PHOSPHATE REMOVALQ2

CLINOPTILOLITE SOILQ3

CATIONIC SURFACTANTQ3

ADSORPTION KINETICQ2

ADSORPTION ISOTHERMQ2

Abstract

The Phosphorous discharge into the surface water led to excessive growth of algae and eutrophication in lakes and rivers. Therefore the phosphorus removal is important due to negative effect on water resources. The aim of this study was to investigat the modification of clinoptilolite and application of modified clinoptilolite for phosphorous adsorption from aqueous solution and isotherms and kinetics modeling. Hexadecyl Trimethyl Ammonium bromide (HDTMA-Br), Hexadecyl trimethyl Ammonium Chloride (HDTMA-Cl), Sodium Decyl Sulphate (SDS) and Cetrimide-C were used for modification of clinoptilolite. Experiments were conducted using jar apparatus and batch system. The effect of pH, adsorbent doses, contact time, phosphate initial concentration and particle size were studied surveyed on phosphate adsorption by modified clinoptilolite. The most common isotherms and the kinetics adsorption equations were used for determination of adsorption rate and dynamic reaction. The results showed that maximum phosphate adsorption was obtained in the pH of 7 and contact time 90min. Also it was found with the increasing of phosphate initial concentration, PHOSPHATE REMOVAL efficiency decreased significantly. Langmuir No 2 showed a good correlation compared to other isotherms (R2=0.997). Maximum adsorption capacity was obtained in 20g/L adsorbent dose (22.73mg/g). Also Interaparticle diffusion kinetics well fits with experimental data (R2=0.999) with constant rate of 3.84mg/g min0.5. The result showed that modified clinoptilolite can be used successfully as low cost and effective absorbent for PHOSPHATE REMOVAL.

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APA: Copy

MALAKOOTIAN, MOHAMMAD, YOUSEFI, NADER, & JAAFARZADEH HAGHIGHIFARD, NEEMATALLAH. (2011). KINETICS MODELING AND ISOTHERMS FOR ADSORPTION OF PHOSPHATE FROM AQUEOUS SOLUTION BY MODIFIED CLINOPTILOLITE. WATER AND WASTEWATER, 22(4 (80)), 21-29. SID. https://sid.ir/paper/103697/en

Vancouver: Copy

MALAKOOTIAN MOHAMMAD, YOUSEFI NADER, JAAFARZADEH HAGHIGHIFARD NEEMATALLAH. KINETICS MODELING AND ISOTHERMS FOR ADSORPTION OF PHOSPHATE FROM AQUEOUS SOLUTION BY MODIFIED CLINOPTILOLITE. WATER AND WASTEWATER[Internet]. 2011;22(4 (80)):21-29. Available from: https://sid.ir/paper/103697/en

IEEE: Copy

MOHAMMAD MALAKOOTIAN, NADER YOUSEFI, and NEEMATALLAH JAAFARZADEH HAGHIGHIFARD, “KINETICS MODELING AND ISOTHERMS FOR ADSORPTION OF PHOSPHATE FROM AQUEOUS SOLUTION BY MODIFIED CLINOPTILOLITE,” WATER AND WASTEWATER, vol. 22, no. 4 (80), pp. 21–29, 2011, [Online]. Available: https://sid.ir/paper/103697/en

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