Questions tagged [petrochemistry]

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

Filter by
Sorted by
Tagged with
1
vote
0answers
19 views

How does the purification until analytical grade work? [closed]

What are some industrial methods used for puryfing organic solutions, like toluen, until it is analytical grade? Im not looking for details just some names and somewhere to keep reading
0
votes
1answer
74 views

Are petroleum-based products prone to produce hard residues with black powder?

A common controversy about black powder is lubricant composition. Some people tell this is a bad idea to use any petroleum based products in such lube because it will produce hard, difficult to clean ...
3
votes
3answers
3k views

What is responsible for the odor of gasoline?

Gasoline as we know it is a blend of combustible hydrocarbons and has a characteristic odor. The natural gas we use to heat our homes and (for some of us) cook our food has its own odor, except... ...
0
votes
1answer
68 views

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 ...
0
votes
2answers
2k views

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 ...
2
votes
1answer
97 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 ...
3
votes
3answers
438 views

What does my textbook mean by saying this about petroleum?

It reads: Petroleum consists of crude oil and natural gas and contains a mixture of up to 300 hydrocarbons, including sulfur and nitrogen compounds. It is formed over thousands of years from the ...
0
votes
1answer
118 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?
0
votes
1answer
9k views

Chemical composition of petrol

What is the chemical composition of petrol? What are the molecular available in petrol? Some time which is marked with 95% octane. So what is the remain element occupied 5%?
6
votes
1answer
87 views

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?
12
votes
1answer
633 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 ...