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How can you tell if diesel has sediment in it?

In brief

Particles or grit at the bottom of a sample jar, hazy fuel, and filters that block quickly. Call 07950 582635 or send an enquiry.

What sediment in diesel does

Sediment blocks filters and wears pumps, injectors and nozzles, and it gives microbes somewhere to settle and grow.

If you find sediment in diesel

Stop using the fuel, keep it in a closed container away from drains and ignition sources, and note roughly how much there is. Yes.

How City Fuel Services handles waste diesel

City Fuel Services buys, collects and handles waste diesel for businesses, public bodies, farms and households. Describe the load and we come back with terms before booking the collection.

Terms used in this answer

Diesel bug
Bacteria and fungi that grow where water meets diesel in a tank. They form slime and sludge that block filters.
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.
Key facts
ProblemSediment in Diesel
Recoverable?Yes.
FuelDiesel
Also calledDERV (diesel engine road vehicle), road diesel, white diesel
Waste code13 07 01* (fuel oil and diesel)

Related questions

Diesel in brief

Diesel is a middle-distillate fuel refined from crude oil for compression-ignition engines. Waste diesel is one of the more valuable waste fuels because most of a typical load is recoverable.

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.