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- 저자 : Maryam Arabi (검색결과 2 건)
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M.H. Shahini,Maryam Mousavi,Amir Masoud Arabi,Mohammad Mahdavian,Bahram Ramezanzadeh 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.101 No.-
In this endeavor, ultra-fine Ce oxide QDs were synthesized via an in-situ approach which itself wasdivided into two methods exploited to synthesize QDs on the GO nanosheets. Afterward, the obtainedproduct was loaded into the Epoxy (EP) structure and finally applied on the surface. The results affirmedthe presence of Ce oxide QDs and the quantum confinement effect in both samples. FT-IR analysis confirmedthe presence of different functional groups such as C@C and CAH. UV–Vis outcome showed theinteraction of GO nanosheets and CeO2 QDs. The morphology of the surface, QDs distribution on theGO nanosheets, shape, and particle sizes were explored using FESEM and HR-TEM. Lastly, the corrosionsuppression of different coatings—pure EP, GO-only-containing EP, or EP loaded with quantum-dotsdepositedGO synthesized by two methods—were compared and discussed in detail with the help ofEIS and salt spray methods. The result showed that, in the scratched samples, the maximum Rct of45,080 ohm.cm2 was reached when the QDs-modified GO, attaining via the first method, was employed. The overall result denoted the superior performance of the QDs-modified GO nanosheets embedded inthe EP coating—most specifically the one synthesized with the first method.
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Jiping Ma,Shuang Li,Gege Wu,Maryam Arabi,Feng Tan,Yafeng Guan,Jinhua Li,Lingxin Chen 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.90 No.-
A novel kind of Zr-based magnetic metal-organic frameworks (MMOFs) was prepared by immobilizationof UiO-66 onto Fe3O4@SiO2 particles via an efficient one-pot solvothermal method. Subsequently, it wasused for adsorptive removal of triclosan (TCS) and triclocarban (TCC) fungicides from aqueousenvironments by magnetic solid phase separation. Morphology and physical/chemical features of theMMOFs were fully characterized by XRD, SEM, TEM, FT-IR, and VSM etc., showing high specific surfacearea, appropriate functionality, and desirable magnetic property. Several main factors affecting theadsorption performances of TCS and TCC on the MMOFs were systematically investigated and optimized,such as pH value of water sample, amounts/types of adsorbent and salinity. Under the optimizedconditions, short adsorption equilibrium time (only 25 min) and outstanding saturated adsorptioncapacities (476.27 and 602.40 mg g 1 for TCS and TCC, respectively) were the remarkable superiorities ofthe MMOFs compared with that of most reported adsorbents. The MMOFs demonstrated excellentadsorption selectivity for TCS and TCC and anti-interference ability. Also, the reusability for at least 11cycles was another major profit of the MMOFs that saved cost and prevented waste. Moreover, theMMOFs demonstrated satisfactory removal/purification ability for actual environmental water samples. These benefits propounded a promising outlook of employing the MMOFs for influential removal ofpollutants with considerable reliability in thefield of wastewater treatment.
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