The activity of gangue is very low that can be greatly increased by calcination.
煤矸石的活性较低，通过煅烧可以使煤矸石的活性得到较大程度的提高。
The suitable process system, such as calcination temperature and calcination time etc. has been found out.
摸索出合适的煅烧温度、煅烧时间等工艺制度。
The suitable process system, such as calcination temperature and calcination time etc. has been found out.
摸索出合适的煅烧温度、煅烧时间等工艺制度。
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