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Residual oil cracking with generation of hydrogen (Part 2). Reduction and oxidation of iron oxide in fluidized bed.

1983; Volume: 26; Issue: 3 Linguagem: Inglês

10.1627/jpi1958.26.174

0582-4664

Teruo Suzuka, Yukio Inoue, Shiro Aizawa, Hiromi Ozaki,

Iron and Steelmaking Processes

Fluidized-bed experiments have been carried out to investigate whether the process proposed in one of the previous papers is feasible for commercial operation. The results obtained are as follows: (1) the reactions required for this process can be induced under the reaction conditions usually employed in fluidized bed reactors, (2) the degree of reduction of the iron oxide obtained with a fluidized bed is nearly equal to that obtained with a fixed bed, (3) the amount of hydrogen generated does not vary greatly with repeated series of reactions; moreover the properties of the catalyst do not change significantly, (4) the amount of hydrogen generated is about 210Nm3/kl-vacuum residual oil. This amount is about twice the amount of hydrogen required for desulfurization of the cracked oil obtained from the present process.