A diesel hydrotreater in an oil refinery
a) removes the sulphur and nitrogen compounds before the naphtha goes to the platformer
b) removes the water from the crude oil
c) only removes the water from the diesel
d) removes the sulphur and nitrogen compounds from the diesel before the diesel goes to storage
e) causes the heavy hydrocarbons to be transformed into lighter hydrocarbons
Answer: D
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Power Engineering Chapter 143
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