Gutter oil: explained

The video explains the production of gutter oil, which involves collecting waste oil from kitchens, sewers, and animal fat. This oil undergoes simple filtering and is sold to enterprises for refinement. The refined oil is packaged and sold as cooking oil to various establishments. While recycled oil is used in other countries, it is not used for cooking. In China, 4 to 5 million tons of gutter oil are used annually, posing health risks due to carcinogens that can cause various cancers.

What are the common uses of refined gutter oil after it is sold?

In which countries is recycled oil widely used, and for what purposes?