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- W2364958090 abstract "Before and after being extracted by methanol,the micro-pore structure of block Dayan lignite of China was investigated using mercury intrusion porosimetry(MIP)and nitrogen gas adsorption method.The results show that the porosity goes from 16.4% up to 18.53%.In the micropore diameter range from 3 nm to 80 nm,the specific surface area and pore volume increased by 2.6 folds and 2 folds.But the methanol extraction could not change the micropore distribution obviously.The enlargement of the specific surface area and the pore volume of coal was mainly due to the increase of pore number in different pore size range.The radius of Dayan lignite colloid structure unit was calculated to 8.9 nm according to the most probability of pore radius.Due to the coal seam permeability and the specific surface area were enhanced by using methanol,then the reaction activity and efficiency of underground coal gasification were increased." @default.
- W2364958090 created "2016-06-24" @default.
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- W2364958090 date "2009-01-01" @default.
- W2364958090 modified "2023-09-25" @default.
- W2364958090 title "EFFECT OF METHANOL EXTRACTION ON PORE CHARACTER OF DAYAN LIGNITE" @default.
- W2364958090 hasPublicationYear "2009" @default.
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