The purpose of the naphtha hydrotreater in an oil refinery is
a) to remove the hydrogen sulphide and nitrogen from the diesel
b) to remove the sulphur and nitrogen compounds before the naphtha goes to the platformer
c) to cause the heavy hydrocarbons to be transformed into lighter hydrocarbons
d) to remove the water from the crude oil
e) to remove the diesel from the naphtha
Answer: B