| abstract |
As a hydrocarbon oil for hydrogen production in a hydrogen production system where the reforming efficiency is less deteriorated and coke hardly occurs in a catalyst present in the reformer, a flash point of 40 ° C. or more, sulfur content of 0.3 mass ppm or less, aromatic content of 20% by volume or less, naphthene powder 20 To 50 vol.%, Initial boiling point range from 150 to 210 ° C, 90 vol.% Distillation temperature, 220 to 255 ° C, proportion of 13 carbon atoms, 10 to 30% by mass, 43 ° C, peroxide after 13 weeks of storage test up to 2 mg / kg There is provided a hydrocarbon oil for hydrogen production of a hydrogen production system, which satisfies simultaneously. |