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- W2390947182 abstract "The lignite is relatively abundant in China,and the gasification and pyrolysis are its important utilization ways,in which the alkaline earth metals may bring some effects.Lignite samples impregnated with different amount of calcium were prepared from acid-washed coal,and the effects of calcium on the pyrolysis of the coal and the steam gasification reactivity of the char were investigated in the fixed-bed quartz reactor.The results show that the calcium decreased the pyrolysis temperature of lignite and effectively promoted the steam gasification of char.Char samples after gasification in steam for 30 min were analyzed using XRD and N2 adsorption techniques.The results show that the calcium in lignite coal existed as CaO.Addition of calcium in coal increased the surface area,decreased the average pore diameter and narrowed the pore size distribution,which had the effect on the gasification reactivity of char." @default.
- W2390947182 created "2016-06-24" @default.
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- W2390947182 date "2013-01-01" @default.
- W2390947182 modified "2023-09-26" @default.
- W2390947182 title "Effects of Calcium on Pyrolysis of Lignite and Reactivity of Char in Steam Gasification" @default.
- W2390947182 hasPublicationYear "2013" @default.
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