Gasification system and method

摘要

A method includes providing a gasifier with a fuel source comprising a heavy oil, a light oil, and recovered soot. The gasifier may gasify the fuel source to generate a syngas and soot. The method also includes recovering the soot in a first separation unit that may receive a portion of the heavy oil and separate the soot from an extraction oil used to recover the soot. The first separation unit generates soot bottoms that include the portion of the heavy oil and the recovered soot. The method also includes flowing a first separation co-fractionate to a second separation unit. The first separation co-fractionate includes the extraction oil and the light oil. The second separation unit may separate the extraction oil and the light oil, and direct the light oil towards the first separation unit. The method further includes mixing the soot bottoms from the first separation unit with the light oil from the second separation unit to generate the fuel source and directing the fuel source to the gasifier for gasification.

主权项

1. A method, comprising:
providing a gasifier with a fuel source comprising a heavy oil, a light oil, and recovered soot, wherein the gasifier is configured to gasify the fuel source to generate a syngas and soot; recovering the soot in a stripper comprising a first stripper inlet configured to receive a portion of the heavy oil and separate the soot from an extraction oil used to recover the soot, wherein the stripper generates soot bottoms comprising the portion of the heavy oil and the recovered soot; flowing a first separation co-fractionate to a separator, wherein the first separation co-fractionate comprises the extraction oil and the light oil, and wherein the separator is configured to separate the extraction oil and the light oil, and direct the light oil towards the stripper; mixing the soot bottoms from the stripper with the light oil from the separator to generate the fuel source; and directing the fuel source to the gasifier for gasification via a first flow path extending between a stripper outlet of the stripper and a gasifier inlet of the gasifier.