B. does not much affect the molecular weight of the feed.
C. improves the quality & yield of gasoline.
D. all (a), (b) and (c).
Correct Answer
all (a), (b) and (c).
Petroleum Refinery Engineering problems
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1. Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm.