New pelletizer makes higher-value fuel from resid

Devco Cos., Tulsa, and Kellogg Brown & Root Inc. (KBR), Houston, have developed and tested new technology for better handling of asphaltene bottom products from solvent deasphalting units (SDUs).The new technology, called Aquaform, pelletizes asphaltene from SDUs.The Aquaform pellets allow refiners to dispose of heavy resid as solid fuel. They have good storage and transportation properties and can be used for cement manufacture or as a utility fuel. Combustion properties make solid asphaltenes an attractive alternative or supplemental fuel to petroleum coke or coal.Challenges of SDUsSolvent deasphalting is a popular substitute for coking and visbreaking to upgrade atmospheric or vacuum b...

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