Process for supressing precipitation of sediment in...

Details Process for supressing precipitation of sediment in... Process for supressing precipitation of sediment in...

C - Chemistry, Metallurgy

10

C

196/41

C10C 3/00 (2006.01) C10L 1/16 (2006.01)

Patent

CA 1216811

ABSTRACT OF THE DISCLOSURE The precipitation of sediment in the uncon- verted residuum derived from a virgin residuum conver- sion process is reduced significantly by blending with the unconverted residuum an effective amount of a virgin residuum having an asphaltene content of at least about 8% by weight of the virgin residuum at a temperature sufficient to render both residua during blending at a viscosity of no greater than 100 centistokes. A blend of 1-20% virgin residuum containing at least 8% asphaltene with 80-99% unconverted residuum from a virgin residuum conversion operation, which will contain little, if any sediment, can be used as heavy fuel for power plants.

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