Why, in coal rock analysis, even though bituminous coal contains a certain proportion of coking coals such as 1/3 coking coal, the Y value and G value cannot be determined?

2011-07-28View Original

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Why, in coal rock analysis, even though bituminous coal contains a certain proportion of coking coals such as 1/3 coking coal, the Y value and G value cannot be determined?

Reply #22011-07-28

Firstly, anthracite does not have Y values or G values. Moreover, if there is only a small amount of very young 1/3 bituminous coal, or if it has already deteriorated, then these values cannot be measured at all

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