Petroleum coke addition to coking coal blends. Modification of the quality of resultant metallurgical cokes
DOI:
https://doi.org/10.3989/revmetalm.1995.v31.i4.955Keywords:
Petroleum coke, Metallurgical coke, Mechanical strength, Reactivity, TextureAbstract
The effects of a green petroleum coke addition on coke metallurgical quality in terms of mechanical strength (IRSID test), reactivity to carbon dioxide (CEE and NSC tests) and texture (porosity and pore size distribution) are described. Petroleum coke addition, generally decreases porosity, both to semiindustrial and laboratory scale mainly due to the microporosity, which helps to explain the observed decrease in the reactivity to CO2. A laboratory-scale methodology to assess the main properties of metallurgical cokes was developed. Laboratory results were backed by tests to semiindustrial scale.
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