Garbage classification ｜ How much do you know about these garbage classification tips？

Recyclable garbage and kitchen waste

Harmful waste, other rubbish.

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A little knowledge about garbage classification

How much do you know?

First, the common sense of garbage classification

1. Recyclable garbage

Recyclable materials mainly include waste paper, plastic, glass, metal and cloth. These wastes can be recycled through comprehensive treatment, which can reduce pollution and save resources.

2. Kitchen waste

Kitchen waste includes food wastes such as leftovers, bones, roots, leaves and peels. After in-situ treatment of compost by biotechnology, 0.6~0.7 tons of organic fertilizer can be produced per ton.

3. harmful waste

Harmful waste contains heavy metals, toxic substances that are harmful to human health, or wastes that cause real or potential harm to the environment. Including batteries, fluorescent tubes, light bulbs, mercury thermometers, paint buckets, some household appliances, expired drugs and their containers, expired cosmetics, etc. These wastes are generally recycled or landfilled separately.

4. Other garbage

Other wastes include bricks and tiles, dregs, toilet waste paper, paper towels and other wastes that are difficult to recycle, dust and food bags (boxes) except the above-mentioned kinds of wastes. Sanitary landfill can effectively reduce the pollution of groundwater, surface water, soil and air.

Small knowledge of garbage classification

Read a picture

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Second, the benefits of garbage sorting

Turn waste into treasure

Garbage sorting can improve the utilization rate of garbage and turn waste into treasure. For example, food, plants and fabrics can be composted to produce organic fertilizer.

2. Reduce environmental pollution

Garbage classification can reduce the consumption of land resources and reduce the risk of water, soil and air pollution in garbage disposal.

3. Improve economic value

Garbage classification can reduce the amount and equipment of garbage treatment and reduce the treatment cost. Improve the recycling ratio of waste products and reduce the demand for raw materials.

Source | Science+

Original title: "Garbage Classification | How much do you know about these garbage classifications? 》

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