论文部分内容阅读
用穆斯堡尔谱考察以化学形式结合到煤中的铁催化剂和以物理形式外加等量铁催化剂对内蒙红旗褐煤加氢液化的催化活性,发现残渣中γ-Fe/Fe_(1-x)S比越大,液化产率越高,表明γ-Fe是一种较Fe_(1-x)S活性更高的新的活性相。离子交换煤中的Fe~(3+)离子由于粒度细小,分布均匀,易转化为γ-Fe相,因而具有最高的催化活性。
The Mossbauer spectroscopy was used to investigate the catalytic activity of iron catalyst which was chemically incorporated into coal and hydrogenation liquefaction of Inner Mongolia Hongqi lignite with the addition of the same amount of iron catalyst in physical form. It was found that γ-Fe / Fe 1-x The larger the S ratio, the higher the liquefaction yield, indicating that γ-Fe is a new active phase with higher activity than Fe 1-x S. Fe 3+ ion in ion-exchanged coal has the highest catalytic activity because of its small particle size, uniform distribution and easy conversion to γ-Fe phase.