OPTIMIZATION OF DIMETHYL PHTHALATE DEGRADATION PARAMETERS USING ZERO-VALENT IRON NANOPARTICLES BY RESPONSE SURFACE METHODOLOGY: DETERMINATION OF DEGRADATION INTERMEDIATE PRODUCTS AND PROCESS PATHWAY

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DEHGHAN SAMANEH; REZAEI KALANTARY ROSHANAK; NAZARI SHAHRAM; MORADI MASOUD; RASTEGAR AYOOB; SHIRZAD SIBONI MEHDI

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Journal: Journal of Mazandaran University of Medical Sciences Year:2018 | Volume:27 | Issue:157 Page(s): 194-216

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Title

OPTIMIZATION OF DIMETHYL PHTHALATE DEGRADATION PARAMETERS USING ZERO-VALENT IRON NANOPARTICLES BY RESPONSE SURFACE METHODOLOGY: DETERMINATION OF DEGRADATION INTERMEDIATE PRODUCTS AND PROCESS PATHWAY

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Keywords

ZERO-VALENT IRON NANOPARTICLESQ2

DIMETHYL PHTHALATEQ3

DEGRADATIONQ2

BOX-BEHNKEN MODELQ1

Abstract

Background and purpose: Phthalic acid esters (PAEs) are a group of organic compounds that areused as additives in plastic industry. Among PAEs, DIMETHYL PHTHALATE (DMP), the simplest compound inphthalates, is an aromatic pollutant that disturbs endocrine function. The aim of this study was to assess theeffect of ZERO-VALENT IRON NANOPARTICLES (NZVI) on the DMP DEGRADATION. Materials and methods: NZVI were prepared by reduction of ferric chloride using sodiumborohydride. Physical properties of nanoparticles were determined using Scanning Electron Microscopy(SEM), Transmission Electron Microscopy (TEM), X-ray Diffraction (XRD), and Vibrating SampleMagnetometer (VSM). Then, the effect of pH, DMP concentrations, the amount of NZVI, and contacttime were investigated on DMP removal efficiency. Response surface methodology based on Box-Behnken was used to study the interaction between variables. Results: Maximum efficiency (99%) of DMP removal by NZVI was achieved in optimumconditions (pH=3, NZVI dosage =0. 6 g/l, DMP concentration = 2 mg/l, and contact time= 65 min). TheBox-Behnken analysis confirmed that pH and NZVI dosage have had the highest and lowest effect in theprocess of DMP removal by NZVI, respectively. Conclusion: According to findings, NZVI in small amounts have a proper efficiency in DMPremoval. Also, DMP DEGRADATION efficiency did not change much, after being used in five consecutivecycles of DEGRADATION reactions. This shows a potential application prospect of the synthesized NZVI inreal water treatment.

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APA: Copy

DEHGHAN, SAMANEH, REZAEI KALANTARY, ROSHANAK, NAZARI, SHAHRAM, MORADI, MASOUD, RASTEGAR, AYOOB, & SHIRZAD SIBONI, MEHDI. (2018). OPTIMIZATION OF DIMETHYL PHTHALATE DEGRADATION PARAMETERS USING ZERO-VALENT IRON NANOPARTICLES BY RESPONSE SURFACE METHODOLOGY: DETERMINATION OF DEGRADATION INTERMEDIATE PRODUCTS AND PROCESS PATHWAY. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, 27(157 ), 194-216. SID. https://sid.ir/paper/46019/en

Vancouver: Copy

DEHGHAN SAMANEH, REZAEI KALANTARY ROSHANAK, NAZARI SHAHRAM, MORADI MASOUD, RASTEGAR AYOOB, SHIRZAD SIBONI MEHDI. OPTIMIZATION OF DIMETHYL PHTHALATE DEGRADATION PARAMETERS USING ZERO-VALENT IRON NANOPARTICLES BY RESPONSE SURFACE METHODOLOGY: DETERMINATION OF DEGRADATION INTERMEDIATE PRODUCTS AND PROCESS PATHWAY. JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES[Internet]. 2018;27(157 ):194-216. Available from: https://sid.ir/paper/46019/en

IEEE: Copy

SAMANEH DEHGHAN, ROSHANAK REZAEI KALANTARY, SHAHRAM NAZARI, MASOUD MORADI, AYOOB RASTEGAR, and MEHDI SHIRZAD SIBONI, “OPTIMIZATION OF DIMETHYL PHTHALATE DEGRADATION PARAMETERS USING ZERO-VALENT IRON NANOPARTICLES BY RESPONSE SURFACE METHODOLOGY: DETERMINATION OF DEGRADATION INTERMEDIATE PRODUCTS AND PROCESS PATHWAY,” JOURNAL OF MAZANDARAN UNIVERSITY OF MEDICAL SCIENCES, vol. 27, no. 157 , pp. 194–216, 2018, [Online]. Available: https://sid.ir/paper/46019/en

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