کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5157032 | 1500595 | 2017 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Renewable hybrid nanocatalyst from magnetite and cellulose for treatment of textile effluents
ترجمه فارسی عنوان
نانوکاتالیست هیبرید تجدید پذیر از مگنتیت و سلولز برای درمان پساب های نساجی
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کلمات کلیدی
مگنتیت، کاتالیزور، سلولز، نانوفیبریل، کریستالیت،
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آلی
چکیده انگلیسی
A hybrid catalyst was prepared using cellulose nanofibrils and magnetite to degrade organic compounds. Cellulose nanofibrils were isolated by mechanical defibrillation producing a suspension used as a matrix for magnetite particles. The solution of nanofibrils and magnetite was dried and milled resulting in a catalyst with a 1:1 ratio of cellulose and magnetite that was chemically and physically characterized using light, scanning electron and transmission electron microscopies, specific surface area analysis, vibrating sample magnetometry, thermogravimetric analysis, Fourier transform infrared spectroscopy, X-ray diffraction, catalytic potential and degradation kinetics. Results showed good dispersion of the active phase, magnetite, in the mat of cellulosic nanofibrils. Leaching and re-use tests showed that catalytic activity was not lost over several cycles. The hybrid material produced was tested for degradation of methylene blue dye in Fenton-like reactions resulting in a potential catalyst for use in degradation of organic compounds.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Carbohydrate Polymers - Volume 163, 1 May 2017, Pages 101-107
Journal: Carbohydrate Polymers - Volume 163, 1 May 2017, Pages 101-107
نویسندگان
Ana Carolina Cunha Arantes, Crislaine das Graças Almeida, Ligiane Carolina Leite Dauzacker, Maria Lucia Bianchi, Delilah F. Wood, Tina G. Williams, William J. Orts, Gustavo Henrique Denzin Tonoli,