Generally divided into green, yellow, red, blue, gray five.
1, red: on behalf of hazardous substances, sometimes also marked with orange, hazardous substances, including waste batteries, fluorescent tubes, paints, expired drugs, cosmetics and other non-recyclable and with a certain degree of pollution hazardous substances.
2, green: in the case of a combination of multiple plastic trash cans, green represents food waste, food waste can be used as fertilizer for plant nutrients, soil burial can be decomposed and absorbed by nature's microorganisms and plants, play a role in the reuse of waste.
3, blue: on behalf of recyclable waste, including plastic, paper, metal and other materials with value, these substances will be included in the waste recycling system, for resource recycling disposal.
4, gray: in addition to hazardous substances and recyclable substances other than garbage, bricks and mortar, ceramics, dirt and other difficult to recycle waste, these substances are generally incinerated, buried and other treatment.
5, yellow: on behalf of the medical waste special trash cans, generally only used in hospitals, health stations and other medical places.
The significance of garbage classification:
The classification of garbage is the reform of the traditional way of garbage collection and disposal, and is a scientific management method for the effective disposal of garbage. People face the growing production of garbage and the deterioration of environmental conditions, how to maximize the use of garbage resources through the management of garbage classification, reduce the number of garbage disposal, improve the state of living environment, is the current world countries *** with the same concern about the urgent problem.
Widely carry out the publicity, education and advocacy work of garbage classification, so that consumers set up the environmental protection consciousness of garbage classification, clarifying the serious harm caused by garbage to the social life, publicizing the important significance of garbage classification, and calling on consumers to actively participate in garbage classification. At the same time to teach consumers the knowledge of garbage classification, so that consumers to carry out garbage classification gradually become conscious and habitual behavior.
The above content reference? Baidu Encyclopedia - Classification of garbage cans