Sumitomo Shipbuilding & Machinery Co., Ltd.

Masaki Kondo

A method for treatment of the heavy hydrocarbonaceous fraction resulting from thermal cracking of high molecular-weight hydrocarbonaceous materials, which method comprises removing light hydrocarbons contained in said fraction by bringing it into contact with a bed packed with refractory inorganic particles at an elevated temperature so as to evaporate said light hydrocarbons and regenerating said refractory inorganic particles-packed bed by incinerating heavy hydrocarbonaceous materials remaining on and/or among said particles in the bed by supplying oxygen to the bed.

Method for treatment of heavy fraction recovered through thermal

A method of obtaining a refined oil product from low-grade oils containing a relatively large amount of water and/or sludge, which comprises the steps of introducing a low-grade oil directly into a fluidized bed type cracking furnace and subjecting it to thermal cracking therein, introducing the resulting efflux from said cracking furnace into a fractionation column and therein separating it into an overhead light vapor component which is removed from the top of said column and a heavy component which is recovered from the bottom of said column, cooling the overhead light vapor component and then feeding it into a gas-liquid separator to divide it into a vapor-phase stream and a liquidphase stream, and circulating a part of said liquid-phase stream to the top of the fractionation column as reflux while recovering the balance of the liquid-phase stream as the refined oil product.

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Tokyo, Japan

Masaki Kondo