|About this Abstract
||2017 TMS Annual Meeting & Exhibition
||Use of Thermally Desulfurized Shaft CPC for Anode Production
||Les Edwards, Kevin Harp, Christopher Kuhnt
|On-Site Speaker (Planned)
Thermal desulfurization of petroleum coke during calcination is a well-known phenomenon and when practiced in rotary kilns, results in a significant increase in porosity and decrease in bulk density. In 2011, Rain Carbon began experimenting with thermal desulfurization in a shaft calciner. Some results were unexpected, particularly the steady increase in real density as the temperature and degree of thermal desulfurization increases. The paper reports on the results of extensive work to explore the fundamental differences between desulfurization in shaft calciners and rotary kilns. Numerous pilot anode studies have been completed to establish the potential of using thermally desulfurized coke from shaft calciners in anode production. The attraction here is both commercial and operational. High sulfur cokes are more readily available and cheaper than low sulfur cokes and removing SO2 during calcination is much more efficient than removing SO2 from low concentration, high volume potroom exhaust-gas streams.
||Planned: Light Metals