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Used cooking oils, especially in restaurants, food industries and even homes, are known as one of the most polluting municipal wastes. Many people still think that throwing used oil in the sink or trash is a normal and safe behavior. But the truth is that used oil is one of the most destructive wastes for the environment, sewage system and human health. In this article, we will scientifically and practically examine why we should not throw away used oil, what risks it poses and what rules and solutions exist for its proper collection.
Waste oil is used cooking oil that has undergone chemical changes due to high heat and contact with food and is no longer usable in cooking. This oil includes:
Oxidized fatty acids
Food particles
Heat-induced toxins
Dangerous free radicals
These compounds not only make the oil unusable, but also turn it into waste that has irreparable consequences if mismanaged.
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Yes, and even more than we think. Just a few tablespoons of burnt oil can contaminate hundreds of liters of water or block sewer lines.
1. Blockage of pipes and sewage system
When burnt oil enters the pipes, it hardens and becomes viscous when it comes into contact with cold water, sticking to the walls of the pipes. The result?
Gradual blockage of the tubes
Heavy plumbing and drainage costs
Creating an unpleasant odor
Bacterial growth and environmental pollution
In many major cities around the world, the majority of sewer blockages are due to the presence of “fat bergs.”
2. Severe pollution of water resources
Burnt oil reduces dissolved oxygen in water. This leads to:
Death of fish and aquatic creatures
Disruption in the food chain
Increased growth of harmful algae
Widespread pollution of rivers and groundwater
Discarding oil in the soil also creates a layer of fat on the soil surface, preventing plant roots from absorbing water and air.
3. Production of toxic gases and unpleasant odors
Waste oil in trash cans and open areas reacts with bacteria and produces foul-smelling, toxic gases. These gases can cause:
Air pollution
Causes respiratory diseases
Attracting insects and vermin
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1. Preventing environmental pollution
2. Possibility of recycling and conversion into clean fuel
3. Helping the country’s economy and energy
4. Compliance with national laws and standards
Official license from the Environmental Organization
Transportation and storage standards
Tankers and equipment with standard caps and barrels
Information recording and receipt delivery system
Processing and recycling in a reputable industrial unit
Petro imen Sharif Company is one of the companies that operates in the field of collecting oily waste, processing, and producing clean energy, and operates in accordance with environmental standards.
For home use
Collect the oil in plastic bottles after it cools.
Strain out any remaining food.
Keep the bottles in a dry place away from light.
Once filled, deliver to authorized companies.
For restaurants and industrial units
Use storage tanks with secure lids
Periodic delivery to licensed collection companies
Maintaining delivery reports for legal compliance
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