China refinery tests asphaltenes extraction process

As global reserves of conventional crude oil continue to decline, increased reliance on heavy and ultraheavy feedstocks will result in higher upgrading costs and more importantly a comparatively larger carbon footprint.A demonstration plant in China has shown that selective extraction of asphaltenes technology1 2 can be built and operated with low technical and commercial risk. SELEX-Asp brings heavy and ultraheavy feedstocks in line with conventional oil processing costs and CO2 emissions. The process can be added to existing refineries as a separate operating unit and can reduce upgrading costs while delivering high reliability with low capital outlay.It not only selectively removes asp...

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