1. Recyclable garbage: mainly includes waste paper (such as newspapers, periodicals, books, various wrapping papers, etc. ), plastic (all kinds of plastic bags, plastic foam, plastic packaging, disposable plastic lunch boxes and tableware, hard plastics, plastic toothbrushes, plastic cups, mineral water bottles, etc. ), glass (all kinds of glass bottles, broken glass pieces, mirrors, thermos bottles, etc. ) and metal.

2. Kitchen waste: kitchen waste (such as leftovers, bones, roots, leaves, peels, etc. ), toilet paper (toilet paper and toilet paper are soluble in water, not recyclable "paper"), kitchen waste bagging (ordinary plastic bags are far more difficult to corrode than kitchen waste even if they are degradable), fruit shells and dust.

3. Toxic and hazardous waste: waste containing heavy metals, toxic substances harmful to human health or causing actual or potential harm to the environment. Including batteries, fluorescent tubes, light bulbs, mercury thermometers, paint buckets, some household appliances, expired drugs, expired cosmetics and so on. These wastes are usually recycled or landfilled separately.

4. Other garbage: including bricks and tiles, muck, toilet waste paper, paper towels and other difficult-to-recycle wastes, shells, dust, etc. Sanitary landfill can effectively reduce the pollution of groundwater, surface water, soil and air.

Extended data:

The purpose of classification is to separate the garbage, use the existing manufacturing capacity, recycle the reused products, including material utilization and energy utilization, and landfill the useless garbage that can not be used for the time being. Different places, regions, societies (districts) and communities have different geography, economic development level, waste recycling capacity of enterprises, sources of residents, living habits, economic and psychological endurance.

References:

Garbage Classification-Baidu Encyclopedia