garbage classification is important
Garbage classification is divided into: recyclables, hazardous waste, wet waste, dry waste. Sorted garbage is easier to handle.
1. Recyclables—the main force of waste recycling
It mainly includes paper, metal, plastic products, textiles, waste electrical appliances, etc. These can be processed through the renewable resource recovery network. For example, waste plastics and rubber can be made into recycled plastic products after pretreatment and plasticization. Waste paper can be used to produce recycled paper products.
2. Hazardous waste – special treatment
It mainly includes waste batteries, waste light tubes, expired medicines, pesticide containers, etc. These garbage will seriously pollute the soil, air, water quality, and then affect human health. Hazardous waste can be treated harmlessly by professional companies. 3. Wet garbage – composting, power generation
Including leftovers, vegetable stems and leaves, animal viscera, fruit shells and melon skins, stumps and fallen leaves, etc., which are mainly used for composting and power generation. The kitchen waste is used for biogas power generation after being treated by local resources or used for sanitary landfill after biochemical treatment.
4. Dry waste – incineration, power generation
Dry waste is mainly waste with no recycling value and low water content. This kind of waste can be incinerated to provide power generation, heat supply, and then landfilled, which can greatly reduce the space occupied by landfill.
Therefore, doing a good job in garbage classification can not only save resources, reduce environmental pollution, and reduce land occupation, but also a must for human health and sustainable social development.
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