Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________ ptb (pounds per thousand barrel).
Options
A. 0.03
B. 3
C. 35
D. 70
Correct Answer
3
Petroleum Refinery Engineering problems
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1. Asphalts are
Options
A. low molecular weight & low boiling point compounds present in petroleum.
B. desirable in catalytic cracking feedstock, because they produce coke.
C. readily oxidisable and form carbonaceous sludge.
4. Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
7. Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than __________ mg/kg of kerosene.