Oh right haha. It's not quite homework, it's exam revision ... 'sample questions' to give us an idea of the format of the exam. It's for a synoptic exam testing our foundational engineering knowledge and skill.
Thinking about it further I said we could use cryogenic distillation (this how...
Sulphur trioxide is to be separated from a gas mixture containing N2, O2, and
SO3. Propose a method for carrying out this separation and briefly outline the
procedure for calculating the composition of streams leaving your chosen
separation unit.
Could anyone provide some guidance to me...