It must be heated to vaporize any emulsified water in it, and it must also be separated from the glycerin in it. To do that, a mixture of methanol and costic soda is applied to the heated oil and allowed to settle. the glycerin and separating chemicals sink to the bottom and everything above it is usable biodisel.
1/2 gallon therebouths
300 000 litres = 300 kl
Yes, cooking oil is made out of oil.
cooking oil
Jews use oil in cooking for the same reasons that anyone uses oil in cooking.
I am afraid it cannot produce biodisel
The main advantage is to re-use (re-cycle) the cooking oil again, which saves having to buy new cooking oil. Though, eventually, new cooking oil will be needed to replace or top-up old cooking oil lost to evaporation, or cooking oil tainted with a strong smell, possibly from cooking a lot of smelly fish.
Mineral oil should NEVER be used for cooking. It is a petroleum byproduct, not a food-based cooking oil.
Because margarine is a fat as is the cooking oil.
They used butter and vegetable oil for cooking.
PAM - cooking oil - was created in 1961.
Wesson cooking oil was created in 1899.