مقاله انگلیسی رایگان در مورد فلز واسطه ذوب شده TiO2 با واسط تخریب فوتوکاتالیستی داروی ضد التهاب – الزویر ۲۰۱۶

elsevier

 

مشخصات مقاله
ترجمه عنوان مقاله فلز واسطه دوپ شده TiO2 با واسط تخریب فوتوکاتالیستی داروی ضد التهاب تحت تشعشعات خورشیدی
عنوان انگلیسی مقاله Transition metal doped TiO2 mediated photocatalytic degradation of anti-inflammatory drug under solar irradiations
انتشار مقاله سال ۲۰۱۶
تعداد صفحات مقاله انگلیسی  ۲۶ صفحه
هزینه دانلود مقاله انگلیسی رایگان میباشد.
پایگاه داده نشریه الزویر
نوع نگارش مقاله
مقاله پژوهشی (Research article)
مقاله بیس این مقاله بیس نمیباشد
نمایه (index) scopus – master journals – JCR
نوع مقاله ISI
فرمت مقاله انگلیسی  PDF
ایمپکت فاکتور(IF)
۳٫۷۴۰ در سال ۲۰۱۷
شاخص H_index ۳۷ در سال ۲۰۱۹
شاخص SJR ۰٫۹۲۴ در سال ۲۰۱۷
شناسه ISSN ۲۲۱۳-۳۴۳۷
شاخص Quartile (چارک) Q1 در سال ۲۰۱۷
رشته های مرتبط شیمی – داروسازی
گرایش های مرتبط شیمی محیط زیست – شیمی دارویی – فارماکولوژی
نوع ارائه مقاله
ژورنال
مجله / کنفرانس Journal of Environmental Chemical Engineering
دانشگاه School of Energy and Environment, Thapar University, Patiala 147004, India
کلمات کلیدی فوتوکاتالیز، دوپ شده، ایبوپروفن، Bi-TiO، Ni-TiO2، اشعه خورشید
کلمات کلیدی انگلیسی Photocatalysis, Doped, Ibuprofen, Bi-TiO2; Ni-TiO2, solar irradiation
شناسه دیجیتال – doi
https://doi.org/10.1016/j.jece.2016.01.032
کد محصول E11791
وضعیت ترجمه مقاله  ترجمه آماده این مقاله موجود نمیباشد. میتوانید از طریق دکمه پایین سفارش دهید.
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فهرست مطالب مقاله:
Outline
Abstract
Keywords
۱٫ Introduction
۲٫ Experimental
۳٫ Results and discussion
۴٫ Conclusion
References

بخشی از متن مقاله:

Abstract

Bismuth (Bi) and Nickel (Ni) Doped Titanium Dioxide (TiO2) nanoparticles were synthesized by sol–gel method and the prepared nanoparticles were characterized by X-Ray Diffraction, Scanning Electron Microscope, UV–vis reflectance spectroscopy and Brunauer–Emmett–Teller (BET) analysis. The concentration of dopant in synthesized catalysts was varied from 0.25 to 1.0 wt%. Maximum BET surface area of 47.8 and 45.7 m2/g was observed with 0.25 wt% Bi–TiO2 and 0.5 wt% Ni–TiO2, respectively. EDX analysis has established the presence of 0.21% Bi ions and 0.36% Ni ions in 0.25 wt% Bi doped TiO2 and 0.5 wt% Ni doped TiO2, respectively. Band gap of Bi–TiO2 (0.25 wt%) and Ni–TiO2 (0.5 wt%) was obtained to be 2.99 eV, which is found to be minimum among the various synthesized catalysts. The photocatalytic activity of synthesized catalysts were tested and compared with Degussa TiO2 for degradation of Ibuprofen (IBP) as a model compound. Bi–TiO2 nanoparticles revealed higher photocatalytic activity when compared to Ni–TiO2 or Degussa TiO2 under solar irradiation, which may be attributed to increase in specific surface area, and decrease in the crystallite size. Maximum of 89% degradation was achieved with 0.25% Bi–TiO2 photocatalyst under 6 h of illuminations with a solar light, whereas, 78% degradation has been achieved under similar experimental condition with Ni doped TiO2. The kinetics of the degradation of IBP has been explained in terms of the Langmuir–Hinshelwood model and was found to follow first order kinetics with k value of 0.0064 and 0.0046 min−۱ with Bi and Ni doped TiO2, respectively.

Introduction

The existence of pharmaceuticals compounds and its residues has been reported frequently in literature (Melo et al. 2009; Halling-Sorensen et al. 1998) thus, receiving increasing attention as an emerging environmental issue. Numerous pharmaceutical compounds have been noticed in household wastewater, natural water bodies and groundwater in many countries all over the world. The Presence of pharmaceutical compounds can cause severe environmental issues due to the chemical toxicity of the lively constituents in the formulations and sometimes, of their disintegration products. Ibuprofen [IBP] is one of the most commonly consumed medicines worldwide, mainly due to its use as a pain reliever. Concentration of IBP in the environment has been stated between 10ng/L to 169µg/L (Santos et al. 2007). Sources of these contaminants are primarily the domestic waste water due to excretion of non-metabolized drugs by animal or human urine and feces. Conventional treatment processes functional at sewage treatment plants are not efficient in removing such pharmaceutical substances by various physical or biological treatment steps. Therefore, alternative and effective treatment methods need to be explored for the degradation of such pharmaceutical compounds.

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