کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
8327241 | 1540200 | 2018 | 51 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Modification of gum ghatti via grafting with acrylamide and analysis of its flocculation, adsorption, and biodegradation properties
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
علوم زیستی و بیوفناوری
بیوشیمی، ژنتیک و زیست شناسی مولکولی
زیست شیمی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: Modification of gum ghatti via grafting with acrylamide and analysis of its flocculation, adsorption, and biodegradation properties Modification of gum ghatti via grafting with acrylamide and analysis of its flocculation, adsorption, and biodegradation properties](/preview/png/8327241.png)
چکیده انگلیسی
In this work, an environmentally friendly gum ghatti-crosslinked-polyacrylamide (Gg-cl-PAAM) hydrogel was synthesized from gum ghatti (Gg) and acrylamide (AAM) using a microwave-assisted grafting technique, and tested for use in water purification applications as an adsorbent and flocculent. The Gg-cl-PAAM was characterized using SEM, FTIR, and TGA, and displayed pH responsive swelling behavior, with maximum swelling (2117%) observed in solution with neutral pH. The flocculation characteristics of Gg-cl-PAAM were tested in clay solutions as a function of pH, temperature, and the polymer mass loading, showing that the best performance is obtained at neutral pH at 40 °C. The adsorption capacities of Gg-cl-PAAM for the removal different dyes such as brilliant green (BG), rhodamine B (RhB), congo red (CR), and methyl orange (MO) were tested, revealing that the adsorption of all dyes followed the Langmuir isotherm model, with qm values of 523.62 mg gâ1 for BG, 421.60 mg gâ1 for RhB, 179.09 mg gâ1 for CR, and 173.69 mg gâ1 for MO. Finally, the environmentally friendly nature of Gg-cl-PAAM was examined using the soil-burial composting method, which demonstrated 93% degradation of the Gg-cl-PAAM hydrogel within 60 days.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: International Journal of Biological Macromolecules - Volume 114, 15 July 2018, Pages 283-294
Journal: International Journal of Biological Macromolecules - Volume 114, 15 July 2018, Pages 283-294
نویسندگان
Hemant Mittal, Vaneet Kumar, Saeed M. Alhassan, Suprakas Sinha Ray,