Sulphur Dioxide (3) : Best Available Technology (BAT) Utilize Bubble concept, minimize emissions in most cost affective way to achieve emission requirements Use mix of Hi sulphur fuel oil / Lo sulphur fuel gas as necessary to achieve emission requirements Fuel Gas only FCCU (Catalytic Cracker) technology: One of: DeSOx catalyst additive / Feed desulphurization / Regen Flue gas desulphurization DeSOx Sulphur Recovery unit (SRU) technology: One of: SCOTT / SuperClaus / EuroClaus / Claus-pol / Sulfreen / Hydro-sulfreen / CBA/Amoco cold real absorption SuperClaus Source: IPPC Reference doc on Best Available Techniques for Mineral Oil and Gas Refineries.
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