Start-up procedure for a residual oil processing unit

Details Start-up procedure for a residual oil processing unit Start-up procedure for a residual oil processing unit

1975-12-17

1977-10-11

Levine, Herbert

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Hydrogenation

208108, 208157, C10G 1302, C10G 2310

Patent

active

040533905

ABSTRACT:
In starting up an upflow, ebullated bed hydroprocessing reactor, a light oil is used, to establish an ebullating bed. As heavy residual feedstock is incrementally substituted, the ebullating pump speed and gas flow rate need to be monitored and adjusted for smooth operation. By knowing and controlling the viscosity and density of the feedstock, flow variations inside the reactor can be minimized, resulting in a constant pump speed and gas flow rate.

REFERENCES:
patent: 3271301 (1966-09-01), Galbreath
patent: 3281352 (1966-10-01), Schuman

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