کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6657054 | 461675 | 2015 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Texture and surface chemistry of activated carbons obtained from tyre wastes
ترجمه فارسی عنوان
شیمی بافت و سطح از کربن فعال حاصل از زباله های تایر
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کلمات کلیدی
لاستیک ضایعات، تقویت فیبر، زغال سنگ، کربن فعال شیمی سطحی،
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
مهندسی شیمی (عمومی)
چکیده انگلیسی
Tyre wastes and their blends with coal and a bituminous waste material obtained from the benzol distillation column of the by-product section of a coking plant were employed as a precursor for the production of activated carbons (ACs). Pyrolysis up to 850 °C followed by physical activation with CO2 yielded mesoporous carbons with different pore size distributions and surface areas depending on the degree of burn-off. ACs with surface areas of 475 and 390 m2/g were obtained for the two tyre wastes. The inclusion of coal in the blend gave rise to surface areas of up to 1120 m2/g due to an increase in the microporosity. The time needed to obtain the desired degree of burn-off depended on the reactivity of the char. The coal-containing materials required the longest amount of time. The surface chemistry of the samples was studied by Infrared spectroscopy (FTIR) and X-Ray photoelectron spectroscopy (XPS). The principal oxygenated groups found were quinones, lactones and carboxylic acids.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel Processing Technology - Volume 134, June 2015, Pages 275-283
Journal: Fuel Processing Technology - Volume 134, June 2015, Pages 275-283
نویسندگان
Beatriz Acevedo, Carmen Barriocanal,