PETROLEUM COKING ADDITIVE
The problem addressed by the invention is that of improving the quality of coke by increasing the coking properties of a component of a coking feedstock (a coking additive), and by ensuring the stability of the coking properties of a component of a coking feedstock (a coking additive) when the cokin...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The problem addressed by the invention is that of improving the quality of coke by increasing the coking properties of a component of a coking feedstock (a coking additive), and by ensuring the stability of the coking properties of a component of a coking feedstock (a coking additive) when the coking additive constitutes up to 99% of the total volume of the coking feedstock. The technical result of the invention is an increase in the stability of a coking additive, and an increase in the coking properties of said coking additive. The claimed technical result is achieved in that in a petroleum coking additive consisting of a product of the delayed low temperature carbonization of heavy petroleum residues at temperatures of up to 500°C, said product being characterized by a 14 to 28% volatile substance content, the product of the delayed low temperature carbonization of heavy petroleum residues, obtained at a recycle ratio of from 1.05 to 1.2 in the coking chamber, is characterized by coking properties of not less than G on the Gray-King scale. |
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