What are the uses of waste engine oil?

[VonJune]

Here are the specific uses of waste engine oil: 1. Lubrication: Waste engine oil can still provide lubrication for parts that do not require high-quality lubricants. For example, it can be applied to bicycle chains, metal hinges of excavators, loaders, and other machinery to achieve lubrication, friction reduction, and rust prevention. 2. Anti-corrosion: On construction sites, waste engine oil can be applied to building templates to prevent them from sticking to concrete, and it also offers rust and corrosion protection. While diesel refined from waste engine oil may damage a vehicle's fuel system if used directly, it poses no significant issues when used in stoves for catering businesses or machinery factories.

[OBella]

Waste engine oil is not completely useless; I believe it holds significant value for recycling and regeneration. Simply put, through professional processing—such as filtration and purification in specialized factories—impurities and contaminants can be removed, allowing it to be reprocessed into base oil or lubricants, or even used in industrial machinery. This not only reduces petroleum resource consumption but also protects the environment, as used engine oil contains heavy metals and improper disposal can pollute soil and water sources. I personally know some friends at recycling points who emphasize safe disposal. Everyone should take it to auto repair shops or certified centers, which is both cost-effective and eco-friendly.

[StKyle]

As a regular driver who frequently maintains my car, I always pay attention to the disposal of used motor oil. It can be reused, for example, being refined into fuel oil or grease, and utilized in factories for purposes like heating systems. However, it should never be discarded carelessly. I once saw a neighbor pour it into the garden, and later the soil had issues due to toxic substances polluting the environment. The correct approach is to collect it in sealed bottles and take it to a recycling center or a 4S shop for proper disposal. Recycling it also helps reduce waste, killing multiple birds with one stone. I've always adhered to this practice.

[Angela]

I often use waste engine oil to coat rusty tools as a temporary anti-rust measure, such as door hinges, but the effect doesn't last long and it's messy. More professionally, it can be processed into low-grade fuel or industrial oil, but the waste smoke must be safely handled. A better option is to send it to a recycling station to be remade into basic products, which is both environmentally friendly and practical.

[EloiseLynn]

In the industrial sector, I've learned that waste engine oil can be converted into recycled base oil or blended fuel through distillation and demetallization, providing energy for boilers or equipment. The processing is stringent to ensure pollution-free operations, embodying the circular economy. However, we ordinary car owners should not attempt this ourselves due to high risks and should rely on professional recycling facilities.

[SanRhett]

I remember after the last oil change, I was worried about what to do with that bucket of used oil. Later, someone in the know told me that after recycling, it can be turned into new lubricants or fuel, with a wide range of uses. I took it to a local auto repair shop, where they accepted it for free, emphasizing that it must not be dumped randomly as it could pollute water sources and affect health. Although the old method was sometimes used to lubricate moving parts, modern recycling is more reliable and safer. I will continue to do this and share it with my friends.