Abstract
Pyrolysis of primary, hydrotreated and hydrogenated kerosene and hydrogenated fraction 160-280 after separation of alkanes was studied in a stainless steel tubular reactor at 800 °C in the presence f steam. Pyrolysis of hydrogenated feedstocks leads to an increased conversion into low molecular olefins and alkanes. The presence of 0.05% of elemental sulphur increases the conversion of primary kerosene into gaseous pyrolysis products. The formation of carbon monoxide is inhibited by the passivation of the reactor wall with hydrogen sulphide. The effect of elemental sulphur on the formation of coke was investigated in the pyrolysis of kerosene in a stainless steel tubular reactor at 800 and 810 °C without steam. In comparison with the pyrolysis of primary kerosene, hydrogenated materials are more inclined to form coke. In the presence of 0.05% sulphur coking decreases.
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