Research progress on performance and application of coal gasification slag
With the vigorous development of coal gasification technology,the accumulation of coal gasification slag is increasing,causing serious pollution to land,water and atmosphere and urgent need to take effective measures to deal with it.Coal gasification slag is a kind of waste in the coal gasification process,which con-tains rich silica and alumina and can be reused because of its stable physical and chemical properties and en-vironmental friendliness.The composition,physical and chemical properties and current application fields of coal gasification slag are summarized in this paper.The challenges and problems encountered in the practical application of coal gasification slag are analyzed.The possible application prospect of coal gasification slag in the future is further discussed,and its development trend is forecasted.
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