How To Dispose Of Cooking Oil?

How to Dispose of Cooking Oil? We all agree that some of the best foods are made with cooking oil, but cooking oil can be a real mess to clean up. Once the oil has cooled, you decide whether you want to throw it away, reuse it, or donate it.

How to dispose of cooking oil

If you plan to store the cooking oil then use a sealable container before you could throw it in the trash. Moreover, for proper disposal, make sure to keep the oil out of your sink. If you are looking for the best ways to dispose of cooking oil then keep reading this article till the end.

Saving Cooking Oil For Reuse

If you have deep-fried something in the cooking oil, then chances are you will use it again so you can save it for the future. To save it, first, strain it using a coffee filter or several layers of cheesecloth in order to remove any crumbs and particles. After that, store it in an air-tight container in a dark place.

Saving For Reuse

Remember that you can reuse this oil only once or twice. Besides, make sure to give it a sniff before using it. If you feel a rancid smell then get rid of it and do not use the oil.

It is worth telling here that each time you reuse the oil, it deteriorates and the smoke point or the temperature at which it burns will decreases.

How To Dispose Of Cooking Oil?

If your cooking has gone bad or you have decided to get rid of it then it is important to dispose of it properly. It is always wise to check with your local solid waste department to know if they have any recommendations or regulations about disposing of oil.

If you are disposing of cooking oil at home, take the proper steps.

First, allow the oil to cool completely. After that, pour it into a non-recyclable container with a lid, and then throw it in the garbage.

Common non-recyclable containers that will actually work well include cardboard milk cartons, similar wax- or plastic-lined paper containers, and takeout containers as well.

Dispose Of Cooking Oil

Refrigerate or freeze the oil to harden it. For this purpose, pour oil in an old can and put it in the freezer. Once it is solid enough to come out of the can in one piece, throw it away. If you have a little amount i.e. a cup of oil or grease then pour it into a coffee mug and set it in the fridge.

When it gets slid, scoop it out using a spoon and then throws it into the trash. Wipe out the mug with a paper towel or a napkin before washing it.

Take a partially filled trash bag and pour completely cooled oil into it. If you are using plastic kitchen trash bags, it is usually fine to pour a moderate amount of oil into the trash already present in the bag.

This is because paper towels, food scraps, and other absorbent material help absorb the oil so you do not have to wait for it to break out of the bottom of the bag. You can mix the oil with an absorbent material before throwing it away such as cat litter, sand or sawdust.


Some cities have introduced collection programs for used or old oil to recycle it into biodiesel. For instance, you can check Earth 911 in order to see if there is a recycler near you that will accept used oil.

Recycling Cooking Oil

Biodiesel is a clean-burning fuel that is used in several types of motor vehicles, most commonly in city trucks and fleet vehicles,  and can be used as heating oil.


  • Make sure not to pour oil down the drain or in the toilet. This is because it can clog not only your pipes but also the city sewer mains. It can contaminate water with oil which is difficult and sometimes impossible to treat. It also means that it can eventually pollute local waterways.

Disposal Don'ts

  • Do not add oil to a septic system because it can clog pipes and, worse, your distribution lines and drainage field.
  • Also, do not dispose of oil in compost bins or piles. In general, fats are bad for compost, and cooking oil is nothing but fat.
  • Don not pour hot oil into the trash.

These were some of the best ways to dispose of cooking oil. Make sure not to throw it in the sink or toilet. Always freeze the oil first and then throw it using a container with a lid.

I hope you like my post about how to dispose of cooking oil. If you have any queries or want to share your opinion then write them down in the comments section. We will be waiting to hear from you. You can also read:


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