MAGNETICALLY ASSISTED URANYL REMOVAL BY USING MAGNETIC HYDROXYAPATITE NANOCOMPOSITE

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BAGHERZADEH MOJTABA; SABERI DAVOOD; FARAHBAKHSH ANAHITA

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Seminar Paper

Paper Information

Seminar: IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY
Year:2014 | Issue:20

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Title

MAGNETICALLY ASSISTED URANYL REMOVAL BY USING MAGNETIC HYDROXYAPATITE NANOCOMPOSITE

Author(s)

BAGHERZADEH MOJTABA | SABERI DAVOOD | FARAHBAKHSH ANAHITA | Issue Writer Certificate

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Abstract

URANIUM IS LIKELY TO OCCUR AS A CONTAMINANT IN THE ENVIRONMENT AS A RESULT OF THE COMBUSTION OF COAL AND OTHER FUELS, NATURAL WEATHERING OF IGNEOUS ROCKS AND NUCLEAR INDUSTRY. HYDROXYAPATITE IS A CALCIUM PHOSPHATE MINERAL THAT IS CHEMICALLY SIMILAR TO THE COMPONENTS OF BONES [1]. IT IS AN IDEAL MATERIAL FOR LONG TERM CONTAINMENT OF CONTAMINANTS SUCH AS URANIUM, STRONTIUM, AND OTHER HEAVY METALS DUE TO HIGH SORPTION CAPACITY, LOW WATER SOLUBILITY, HIGH STABILITY UNDER REDUCING AND OXIDATION CONDITIONS, AVAILABILITY AND LOW COST [2]. HOWEVER, DUE TO HARD TASK OF ISOLATING THE SUSPENDED FINE SOLIDS FROM AQUEOUS ITS APPLICATION HAS LIMIT. IN ORDER TO IMPROVE ITS APPLICABILITY FOR THE PURIFICATION OF CONTAMINATED WATER, SEVERAL COMPOSITE MATERIALS WHICH COMBINE HAP WITH POLYMERS AND MAGNETITE (FE3O4) HAVE BEEN REPORTED [3]. IN THIS STUDY, NANOCOMPOSITE ABSORBENTS, HAP/FE3O4, WITH DIFFERENT WEIGHT RATIO WAS PREPARED FOR REMOVING URANYL IONS FROM AQUEOUS SOLUTION. PREPARED NANOCOMPOSITES WERE CHARACTERIZED BY XRD, SEM, FTIR AND VSM TECHNIQUES. IN ADDITION, SORPTION CAPABILITY OF PREPARED HAP/FE3O4 TO URANYL IONS WAS INVESTIGATED AND AFFECTING PARAMETERS ON ADSORPTION EFFICIENCY LIKE, ADSORBENT DOSAGE, SOLUTION PH, SHAKING TIME, IONIC STRANGE AND COEXISTENT INTERFERES WERE INVESTIGATED. IT IS REMARKABLE THAT USING THE HAP/FE3O4 ABSORBENT, MORE THAN 97% OF URANYL CAN BE REMOVED UNDER DESIRABLE EXPERIMENTAL CONDITIONS. THE MAXIMUM ADSORPTION CAPACITY FOR HAP/FE3O4 IS 47 MG/G. MECHANISTIC AND THERMODYNAMIC STUDIES ALSO WERE PERFORMED AND OBTAINED RESULTS WILL BE PRESENTED HERE. FINALLY, PREPARED HAP/FE3O4 SUCCESSFULLY TESTED IN WASTEWATER SAMPLES.

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APA: Copy

BAGHERZADEH, MOJTABA, SABERI, DAVOOD, & FARAHBAKHSH, ANAHITA. (2014). MAGNETICALLY ASSISTED URANYL REMOVAL BY USING MAGNETIC HYDROXYAPATITE NANOCOMPOSITE. IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. SID. https://sid.ir/paper/911055/en

Vancouver: Copy

BAGHERZADEH MOJTABA, SABERI DAVOOD, FARAHBAKHSH ANAHITA. MAGNETICALLY ASSISTED URANYL REMOVAL BY USING MAGNETIC HYDROXYAPATITE NANOCOMPOSITE. 2014. Available from: https://sid.ir/paper/911055/en

IEEE: Copy

MOJTABA BAGHERZADEH, DAVOOD SABERI, and ANAHITA FARAHBAKHSH, “MAGNETICALLY ASSISTED URANYL REMOVAL BY USING MAGNETIC HYDROXYAPATITE NANOCOMPOSITE,” presented at the IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/911055/en

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