Current location - Recipe Complete Network - Pregnant women's recipes - What is the symbolic connotation of kitchen waste?
What is the symbolic connotation of kitchen waste?
The logo connotation of kitchen waste is blue recyclable trash can, green kitchen trash can and yellow medical trash can.

Blue recyclable trash can mainly includes: newspapers, magazines, books, all kinds of wrapping paper, office paper, cartons and so on. However, paper towels and toilet paper cannot be recycled because of their strong water solubility; Plastics mainly include all kinds of plastic bags, plastic packaging materials, disposable plastic lunch boxes and tableware, toothbrushes, cups, mineral water bottles and so on.

Green kitchen trash can mainly includes rice flour food residue, vegetables, animal and vegetable oil, meat and bones, etc. From the chemical composition, there are starch, cellulose, protein, lipids and inorganic salts. Yellow medical trash can mainly includes used cotton balls, emery cloth, adhesive tape, waste water, disposable medical devices, postoperative waste products, expired drugs and so on.

Characteristics of kitchen waste

Kitchen waste refers to the waste generated by residents in their daily life and activities such as food processing, catering service, and unit feeding. Kitchen waste includes discarded leaves, leftovers, leftovers, peels, eggshells, tea dregs, bones and so on. Its main sources are family kitchens, restaurants, restaurants, canteens, markets and other industries related to food processing.