Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about ____________ °C? March 11, 2019 – by admin Acid dew point temperature (ADT) of a flue gas produced by the combustion of a fuel containing 1% sulphur may be about ____________ °C? A. 80B. 130 C. 180 D. 250