Two-stage process for obtaining significant olefin yields from r

Details Two-stage process for obtaining significant olefin yields from r Two-stage process for obtaining significant olefin yields from r

1996-12-17

1999-03-09

Griffin, Walter D.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 67, 208 72, 208 77, 208153, 208163, 585648, C10G 928

Patent

active

058795359

ABSTRACT:
A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot particles operated at temperatures from about 500.degree. to 600.degree. C. and having a short vapor residence time, and the second stage thermal conversion zone operated at a temperature of about 700.degree. C. to about 1100.degree. C., and also having a short vapor residence time.

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H. Weiss, J. Schmalfeld. "Coking of Residue Oils by the LR-Process" Sonderdruck aus Erdol & Kohle - Erdgas - Petrochemie/Hydrocarbon Technology. 42, 235-237 (1989) - no month.
H.J. Weiss, J. Schmalfeld. "Coking of Oil Sand, Asphaltenes and Residual Oils in the LR-Process" Fourth UNITAR/UNDP Intl.Conf. on Heavy Crude & Tar Sands (paper #144) - no date.
H. Weiss, J. Schmalfeld, R.B. Solari. "Coking of Oil Sands, Asphaltenes and Residual Oils in the LR-Process", paper presented at the 5th UNITAR Conference Aug. 9, 1988.

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