Relationship between Chemical Structure of Caking Additives Produced from Low Rank Coals and Coke Strength

Coke strength can be enhanced by adding HyperCoals (HPC). HPC can be produced from different rank of coals including low rank coals. The aim of this study is to investigate and evaluate the usability of HPC from low rank coals as caking additive. 1H-NMR, solid state 13C-NMR, and elemental analysis were carried out to investigate the molecular structure of HPC prepared from low rank coals. The results showed that the number of aromatic rings in...