Skip to content
Oil markets
Crude, Brent, WTI, diesel and refining headlines

How can you tell if kerosene has oil in it?

In brief

Darker, thicker fuel that clings to the sides of a sample jar and leaves an oily film. Laboratories measure viscosity and ash content. Call 07950 582635 or send an enquiry.

What oil in kerosene does

Oil in kerosene makes boilers smoke and soot up.

If you find oil in kerosene

Stop using the fuel, keep it in a closed container away from drains and ignition sources, and note roughly how much there is. Usually yes, if the oil content is small; it is recovered into heavier fuel blends.

How City Fuel Services handles waste kerosene

Send us the five details: business and postcode, roughly how much waste kerosene there is, what it is and any contamination, how it is stored and reached, and whether you need one collection or regular ones. We assess it, confirm a rebate or a collection charge, and collect on a consignment note.

Terms used in this answer

Flash point
The lowest temperature at which a liquid gives off enough vapour to catch light. Petrol's is around minus 40 °C; diesel's is above 55 °C.
Diesel bug
Bacteria and fungi that grow where water meets diesel in a tank. They form slime and sludge that block filters.
Key facts
ProblemOil in Kerosene
Recoverable?Usually yes, if the oil content is small; it is recovered into heavier fuel blends.
FuelKerosene
Also calledheating oil, burning oil, 28-second oil
Waste code13 07 03* (other fuels (including mixtures))

Related questions

Official guidance: GOV.UK: hazardous waste.

Holding waste fuel? Tell us what you have.

Business and postcode, quantity, fuel and contamination, storage and access, one-off or recurring. We assess it and confirm a rebate or a collection charge before anything is booked.