Abstract

Commercially proven technology developed by Kerr-McGee Chemical Corp., and now jointly licensed by Kerr-McGee and ABB Lummus Crest Inc., is being used for the production of food-grade and chemical-grade CO2 products from coal. The technology can also be used to recover CO2 from oil or gas-fired boiler flue gases, gas turbine and engine exhausts, and other oxygen-containing waste gases. This paper describes the Kerr-McGee/Lummus Crest appraoch for recovering CO2 from oxygen-containing gases, as well as discusses design aspects of a unit which recovers food-grade CO2 from coal-fired boiler stack gases. Markets for CO2 are also discussed.

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