The results show that the elements such as Fe,Cr,Al appear in composition distribution gradient,and there is spongy structure in the zone.

Carbon reduction process in preparation of sponge iron using pyrite cinder;

Static study on pretreatment of phenol wastewater with spongy iron;

Sample solving with microwave-ICP method for content determination of major impurity in spongy iron;

Study on the biological aerated filter used for treating bean wastewater with spongy iron and argil granules;