I know that diesel oil shouldn't be fired in a boiler using atomising steam, but why not?
Can someone give a proper explanation?

Sea water has entered the secondary drum (22barg) of a double evaporation boiler (secondary drum heated by a steam coil @ 220 C) to the extent of chlorides = 2300 ppm. The water was ok when tested 24 hours previosly and found to be 30ppm. I know about the dangers of scaling but what are the likely p...