Characteristics of food waste in kitchen

1, high moisture content, up to 80% – 95%
2, high salt content, in some areas, high chili and acetic acid
3, high organic content, mainly proteins, cellulose, starch and fat
4, rich in nitrogen, phosphorus, potassium, calcium and various trace elements
5, the presence of pathogenic bacteria, pathogenic microorganisms
6, perishable, spoiled, stink, mosquitoes breed

But the waste cooking oil can be used for biodiesel production.

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