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professor190 [17]
3 years ago
12

What is the main "impurity" collected with the oil?

Chemistry
1 answer:
NikAS [45]3 years ago
7 0

Answer:

Sulfur is considered an “impurity” in petroleum. Sulfur in crude oil can corrode metal in the refining process and contribute to air pollution. Petroleum with more than 0.5% sulfur is called “sour,” while petroleum with less than 0.5% sulfur is “sweet.”

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