The captured sulfur result may increase through decreasing high valence aluminum element and transition metals element content and increasing the low valence vivacious metal element content.

• 得出了降低煤灰中高价的铝元素及高价过渡金属元素含量和提高低价活泼金属元素的含量都可以提高煤炭燃烧固硫效果。