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  • Bio-coke is rod shaped, with a diameter of 40 millimeters and a length of 20 to 100 millimeters.
  • Bio-coke is prepared by substituting a portion of coal blend with a biofuel (charcoal).
  • The only challenge in producing bio-coke is that the addition of charcoal weakens the strength of the bio-coke at high temperatures because of the increased mineral content.
  • Bio-coke would be a very clean fuel, with little or no sulfur or ash. The product would be tailored to replace coke in the blast furnace, so it will have similar properties.
  • For the producer of bio-coke, wood that is going to waste currently could be used to create bio-coke, thus improving the forests. This would have a positive economic impact in rural areas where it would be produced.
  • Bio-coke, made 100% from wood and other biomass, is CO2 neutral. No greenhouse gases would be released in the blast furnace. This would be a tremendous reduction in the carbon footprint of the steel industry. The steel industry would be much closer to a sustainable energy future.
  • Biocoke consists of charcoal and biopitch from wood pyrolysis (the process of thermal degradation in the absence of oxygen), developed as a direct replacement for petroleum coke in anode production.
  • It is produced by a method that facilitates the filling of pores and the binding of charcoal particles with biopitch. The end result is a carbon product with significantly increased final density and low ash content.
  • CSIRO's biocoke is much lower in impurities than petcokes and provides a reliable, renewable source which offers potential carbon credit benefits.
  • CSIRO biocoke can be used as a total or partial substitute for fossil carbon in metallurgical applications, and can be blended with CSIRO biopitch to produce a carbon product suitable for use in applications such as aluminium reduction anodes.

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