Solvent deasphalting apparatus and process

Details Solvent deasphalting apparatus and process Solvent deasphalting apparatus and process

C - Chemistry, Metallurgy

10

G

196/246

C10G 21/00 (2006.01)

Patent

CA 1100080

SOLVENT DEASPHALTING APPARATUS AND PROCESS ABSTRACT An apparatus and process for the solvent deasphalting of petroleum stocks. An asphaltene containing feedstock enters an intermediate point of a vertical trayed column and passes downward countercurrent to a rising solvent stream. The re- sulting extract stream rises through more trays and then through two adjacent U-tube heat exchange bundles inserted into the column from opposite sides. Asphaltene containing substances are precipitated by this heating. This extract is then admixed by a horizontal shroud and a pair of horizontal baffles above the heat exchangers and retained in a quiescent settling zone before being removed from the column.

301938

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