Can you add Acetone to help you save gas ?
Answer:
No you can not. Acetone does not combust in the normal sense as gasoline does. Gasoline is a hydrocarbon chain as acetone is a ketone. It will also not burn as efficiently as gasoline because it has to break that double bond of the ketone. It would actually take more energy to burn it than what you would get out of it..
Acetone is 10 times more expensive than gas, and contains less energy per unit volume, so you'd save a bit of gas and waste a lot of acetone.
Moreover, acetone is a powerful solvent, more active than anything found in gas, so it could attack some component in the gas tank, fuel line, or engine itself.
It would not be economical at all if you have to pay for expensive repairs, now would it?
Modern engine were designed to burn gas. The people who designed them knew what they were doing. Any departure from the designed working condition is asking for trouble.
Another reason not to use acetone in fuels is that it is miscible with water. That is what doomed methyl t-butyl ether (MTBE).
No. Acetone has less calorific value compared with gas. Forget about the cost.
Fuel Higher Calorific Value
(Gross Calorific Value - GCV)
kJ/kg Btu/lb
Anthracite 32,500 - 34,000 14,000 - 14,500
Bituminous coal 17,000 - 23,250 7,300 - 10,000
Butane 49,510 20,900
Charcoal 29,600 12,800
Coal 15,000 - 27,000 8,000 - 14,000
Coke 28,000 - 31,000 12,000 - 13,500
Diesel 44,800 19,300
Ethanol 29,700 12,800
Lignite 16,300 7,000
Methane 55,530
Gasoline 47,300 20,400
Hydrogen 141,790 61,000
Peat 13,800 - 20,500 5,500 - 8,800
Propane 50,350
Semi anthracite 26,700 - 32,500 11,500 - 14,000
Wood (dry) 14,400 - 17,400 6,200 - 7,500
kJ/m3 Btu/ft3
Acetylene 56,000
Butane C4H10 133,000
Hydrogen 13,000
Natural gas 43,000
Methane CH4 39,820
Propane C3H8 101,000
Town gas 18,000
kJ/l Btu/gal
Acetone (kJ/kg) 29,000
Alcohol, 96% (kJ/kg) 30,000
Ether (kJ/kg) 43,000
Kerosene 35,000 154,000
Gas oil 38,000 164,000
Glycerin (kJ/kg) 19,000
Heavy fuel oil 41,200 177,000
Oils, vegetable (kJ/kg) 39,000 - 48,000
Petrol (kJ/kg) 48,000
Petroleum (kJ/kg) 43,000
Tar (kJ/kg) 36,000
Turpentine (kJ/kg) 44,000
1 kJ/kg = 0.4299 Btu/ lbm = 0.23884 kcal/kg
1 Btu/lbm = 2.326 kJ/kg = 1.8 kcal/kg
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