Evaluation of the Structure and Strength of Coke with HPC Binder under Various Preparation Conditions

September 22, 2019

Title

Evaluation of the Structure and Strength of Coke with HPC Binder under Various Preparation Conditions

Author

Yasushi Sekine, Hidekazu Fujimoto

Year

2019

Journal

ISIJ International

Abstract

Hypercoal (HPC) is examined as a caking additive to the mixture of strongly coking coal and non-slightly coking coal. Samples were coked, then their strength and crystallinity of the carbon structure by Raman spectra were measured. Hypercoal addition increased strength of coke, and a good correlation was observed between the mechanical strength of coke and the Raman parameter defined by the ratio of D3-band to G-band. Results suggest that mutual melting between blended coal and HPC brought strong carbonaceous structure with highly crystallized. The Raman parameter can predict the coke strength to some extent.

Instrument

NRS-4500

Keywords

Raman Imaging Spectroscopy, caking additive, coking, Raman parameter, hypercoal.