Toxic and hazardous waste refers to waste containing heavy metals and toxic substances that are harmful to human health or cause actual or potential harm to the environment.
Extended data:
1, other garbage
(1) Recyclable garbage: waste paper, plastic, glass, metal and cloth, represented by yellow trash can.
(2) Kitchen garbage: In-situ composting of kitchen garbage such as leftovers, bones, vegetable roots and leaves by biotechnology can produce 0.3 tons of organic fertilizer per ton, represented by green trash cans.
(3) Other garbage: other domestic garbage except recyclables, kitchen garbage and hazardous wastes, including female sanitary napkins, baby diapers, napkins, cigarette butts, ceramics, glass fiber products, sponges, travel bags, clothes, shoes, etc.
2. The significance of garbage classification
(1) Reduce land occupation
Some substances in domestic garbage are not easy to degrade, which makes the land seriously eroded. Garbage sorting, removing recyclable and non-degradable substances, reducing the amount of garbage by more than 60%.
(2) Reduce pollution
At present, sanitary landfill or even simple landfill is mostly used in garbage disposal in China, covering tens of thousands of acres; Moreover, insects and flies fly around, sewage overflows and stinks, which seriously pollutes the environment.
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