Besides C,H and O, the elements of the scale formed during evaporating wheat straw black liquor are Si, Ca, K, Na, Mg and Al.

• 烧碱法麦草浆黑液的蒸发器结垢物的主要元素(除了碳、氢、氧)是硅、钙、钾、钠、镁和铝。