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A methodology to evaluate coal ash content using Siderite Mossbauer spectral area

机译:使用菱铁矿Mossbauer光谱区评估煤灰含量的方法

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摘要

A methodology was used to evaluate Low Temperature Ash (LTA) and High Temperature Ash (HTA) through Mossbauer Spectroscopy (MS). Siderite was the only Mossbauer Spectral presenting a good correlation between the spectral area and the ash content obtained by LTA and HTA. The calibration curves obtained for HTA and LTA gave a con-elation coefficient of 0.968 and 0.988, respectively. The LTA results present the best correlation, given that this process does not change the original mineral phases. This methodology was the advantageous for easily obtaining coal ash content, through curve ash content vs. MS area, without carrying out ashing processes.
机译:通过莫斯鲍尔光谱(MS),使用一种方法来评估低温灰分(LTA)和高温灰分(HTA)。菱铁矿是唯一的Mossbauer光谱,其光谱面积与LTA和HTA获得的灰分之间具有良好的相关性。针对HTA和LTA获得的校准曲线得出的相对系数分别为0.968和0.988。鉴于该过程不会改变原始矿物相,因此LTA结果呈现出最佳相关性。这种方法的优势在于,通过曲线灰分含量与MS面积的比较即可轻松获得煤灰分含量,而无需执行灰化过程。

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