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Questions tagged [petrochemistry]

For questions about the processing of crude oil into petrol products. use with tag: [chemical-engineering]

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Why refine tar sands oil?

Why refine tar sands oil into petroleum and the rest of the oil processing byproducts rather than burning it directly in the furnaces of private residencies? At least in the snowbelt areas where gas ...
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2answers
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Fractional distillation of crude oil and resulting fuel ratios

I understand from the diagram below that different fuels condense at different temperatures. But I don't know anything about crude oil (and very little about chemistry in general). Could I simply ...
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1answer
83 views

Is heating oil identical to fuel oil?

I don't quite understand the categorization of middle distillate petroleum products. Is heating oil the same thing as fuel oil which is the same thing as diesel, or not? Can someone explain the ...
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1answer
109 views

How is the octane percentage defined?

Normally octane percentage is mentioned on petrol (95% octane). How is this defined? Is it percentage of chemical or some other parameters?
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1answer
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When was oil discovered to be of biological origin?

Is there an article, book, some account of the discovery that crude oil came from decayed biological material?
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574 views

What are the key chemical characteristics that determine the octane rating of fuel?

The octane rating of petrol (gasoline) is a measure of the how much compression a fuel air mixture can have before detonating (which in petrol engines is a bad thing as you want the mix to combust ...