April 2011


Consider becoming more familiar with the wet gas scrubbing process

New ways to calculate adiabatic saturation temperature

Kunz, R. G., RGK Environmental Consulting, LLC

A sulfur dioxide (SO2) emission limit of 5 parts per million by volume on a dry basis (ppmvd) at 0% O2 has been proposed for fluid catalytic cracking units (FCCUs) in California’s Los Angeles Area Air Basin.1 This performance level has been demonstrated in practice on a commercial scale by wet gas scrubbing of FCCU regenerator flue gas. Since rulemaking in this jurisdiction is often the standard for the rest of the regulated community, it is conceivable that this emission standard and associated technology may become the norm for best achievable control everywhere else. In anticipation of this possibility, it would behoove affected stakeholders to become familiar with the wet scrubbing

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