Kellogg offers fractionation technology

M.W. Kellogg Ltd., London, has begun offering licenses for its Divided Wall Column (KDWC) distillation technology, proven at a BP Oil Ltd. refinery in the U.K. Kellogg claims KDWC provides a significant increase in fractionation performance at a lower capital cost than conventional column designs, and that its first application at BP's Coryton refinery proved it. In April, BP and Kellogg commissioned the first KDWC unit at Coryton, following the revamping of an existing stabilizer column. The payback time for the investment is expected to be less than 1 year. Kellogg says the divided wall column is more thermodynamically efficient than most simple or compl...

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