کد مقاله کد نشریه سال انتشار مقاله انگلیسی ترجمه فارسی نسخه تمام متن
4768361 1424954 2017 7 صفحه PDF سفارش دهید دانلود رایگان
عنوان انگلیسی مقاله ISI
Simulation of macerals effects on methane emission during gas drainage in coal mines
ترجمه فارسی عنوان
شبیه سازی اثرات مواد معدنی بر انتشار متان در هنگام زهکشی گاز در معادن زغال سنگ
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کلمات کلیدی
زهکشی گاز نفوذپذیری، جریان گاز، مواد مغذی،
موضوعات مرتبط
مهندسی و علوم پایه مهندسی شیمی مهندسی شیمی (عمومی)
چکیده انگلیسی
The methane found in coal is regarded as one of the clean energy resources. Methane forms inside coal beds according to geological conditions through coalification. The lifecycle of coalification and source of coal formation directly affect macerals. Coal is classified based on its maceral content. In this study, firstly macerals were identified in coal samples from two different mines. Then, the permeability of each sample was measured. Subsequently, parameters obtained from experiments were introduced as input numerical data into COMSOL Multiphysics commercial software. This study was intended to measure the impact of macerals on the level of methane emission in an attempt to remove gas from coal beds. It was found that vitrinite levels in Tabas and Shahrood mines coal were 81.34% and 69.31% respectively. The methane emission rate was 0.00269 m/s in Tabas coal and 0.00258 m/s in Shahrood coal, a variation of 12% increase in vitrinite. The increase in vitrinite content in Tabas Mine has contributed to the rate of emission increase by about 0.00011 m/s or 0.66 m3/min. This variation in methane emission was due to the maceral content.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Fuel - Volume 210, 15 December 2017, Pages 659-665
نویسندگان
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