2019 Pittsburgh AISTech

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Incorporation of Biocarbon in Cokemaking via Partial Briquetting (Room 403)

Previous efforts have demonstrated that incorporation of loose biocarbon in a coking coal blend significantly reduces resultant coke quality. Hence, the amount of biocarbon that can be incorporated in cokemaking is limited to less than 3% in order to maintain acceptable coke quality. To overcome this challenge, a new approach was developed. The reactive biocarbon was briquetted with coal. Then, the resulting bio-briquette was incorporated into the coal blend. Using this approach, small-scale carbonization tests were carried out. It was successfully demonstrated that the amount of biocarbon materials could be increased to 10% without significant reduction in resultant coke strength after reaction (CSR).