Efficient Reduction of hexavalent chromium and 4-nitrophenol using Ag NPs/Zeolite 13X nanocomposite as a green and retrievable Catalyst
Author(s):
Article Type:
Research/Original Article (دارای رتبه معتبر)
Abstract:
In the present study, the Ag NPs/Zeolite 13X nanocomposite as an effective catalyst was prepared through reduction of Ag+ ions using Tragopogon graminifolius extract as the reducing and stabilizing agent and Ag NPs immobilization on Zeolite 13X surface in the absence of any stabilizer or surfactant. Several techniques such as FT-IR spectroscopy, UV-Vis spectroscopy, X-ray Diffraction (XRD), Scanning Electron Microscopy (FE-SEM), Energy Dispersive X-ray Spectroscopy (EDS) and Transmission Electron Microscopy (TEM) were used to characterize Zeolite 13X, Ag NPs, and Ag NPs/ Zeolite 13X. Moreover, the catalytic activity of the Ag NPs/Zeolite 13X nanocomposite was investigated in the reduction of 4-nitrophenol (4-NP) and chromium (VI) at room temperature. On the basis of results, Ag NPs/Zeolite 13X nanocomposite was found to be high catalytic activity according to the experimental results in this study. In addition, Ag NPs/Zeolite 13X nanocomposite can be recovered and reused several times in the reduction of 4-NP and chromium (VI) with no significant loss of catalytic activity.
Keywords:
Ag Nanoparticles , Zeolite 13X , NaBH4 , 4-NP , Cr (VI)
Language:
English
Published:
Nanochemistry Research, Volume:6 Issue: 2, Summer-Autumn 2021
Pages:
188 to 201
https://magiran.com/p2413687
دانلود و مطالعه متن این مقاله با یکی از روشهای زیر امکان پذیر است:
اشتراک شخصی
با عضویت و پرداخت آنلاین حق اشتراک یکساله به مبلغ 1,390,000ريال میتوانید 70 عنوان مطلب دانلود کنید!
اشتراک سازمانی
به کتابخانه دانشگاه یا محل کار خود پیشنهاد کنید تا اشتراک سازمانی این پایگاه را برای دسترسی نامحدود همه کاربران به متن مطالب تهیه نمایند!
توجه!
- حق عضویت دریافتی صرف حمایت از نشریات عضو و نگهداری، تکمیل و توسعه مگیران میشود.
- پرداخت حق اشتراک و دانلود مقالات اجازه بازنشر آن در سایر رسانههای چاپی و دیجیتال را به کاربر نمیدهد.
In order to view content subscription is required
Personal subscription
Subscribe magiran.com for 70 € euros via PayPal and download 70 articles during a year.
Organization subscription
Please contact us to subscribe your university or library for unlimited access!