What is natural purification ability?

Environmental self-purification ability refers to the ability of natural environment to transform pollutants into harmless substances through the diffusion, oxidation and decomposition of microorganisms in the atmosphere and water flow. The self-purification ability of the environment is a special function of the environment. After some natural processes, the polluted environment has the ability to restore to its original state with the participation of organisms.

For example, the particulate matter discharged into the atmosphere falls to the ground after being leached by rain and snow, so the process of air purification is the process of air self-purification.

Extended data

It turns out that pollutants entering the atmosphere can not only diffuse and dilute into a vast space, but also greatly reduce their concentration through physical and chemical actions under natural conditions; Can also be eroded by gravity and rain, so that heavier particles settle on the ground; It can also be decomposed under the irradiation of light and other physical participation, so that the air can be purified.

However, when pollutants enter the water body, soluble or suspended solid particles gradually diffuse and dilute in the flow of the water body, and other solid particles gradually precipitate and discharge under the action of gravity, which reduces the concentration of pollutants in the water.

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