The main reason for pollution in industrial wastewater testing is due to improper operations or human negligence in various industrial production processes, which discharge pollutants into water bodies and cause pollution. The harm of industrial wastewater pollution is even greater, as most of the pollutants in industrial wastewater are toxic substances such as heavy metals. What are the hazards of industrial wastewater pollution?

Among them, industrial wastewater pollution mainly includes organic oxygen demand pollution, chemical toxin pollution, inorganic solid suspension pollution, heavy metal pollution, acid pollution, alkali pollution, plant nutrient pollution, heat pollution, pathogen pollution, etc. Many pollutants have color, smell or are easy to produce foam, so industrial wastewater often presents an offensive appearance, causing large-scale water pollution, directly threatening people's lives and health. There are several specific hazards:

1. Industrial wastewater directly flows into channels, polluting surface water in rivers and lakes with high toxicity, causing the death or even extinction of aquatic animals and plants.

2. Industrial wastewater can also seep into groundwater, contaminating groundwater and subsequently contaminating crops;

3. If surrounding residents use polluted surface water or groundwater as domestic water, it will cause harm to their health and even result in death;

4. Industrial wastewater seeps into the soil, causing soil pollution. Affects the growth of plants and soil microorganisms.

5. Some industrial wastewater also has a foul odor, polluting the air.

6. The feeding and absorption effects of plants, as well as the toxic and harmful substances in industrial wastewater entering the human body through the food chain, pose a threat to the human body.

Regarding the hazards of industrial wastewater, the editor will share with you the methods for treating industrial wastewater:

Industrial wastewater is different from urban wastewater. Due to the diversity of industrial categories, it also leads to the diversity of industrial wastewater, mainly including organic wastewater, inorganic wastewater, and oily wastewater. Therefore, the treatment methods for industrial wastewater should follow the following treatment methods:

1. Physical treatment methods: using physical effects to remove solid and colloidal pollutants from wastewater, including centrifugal separation, screening, sedimentation, oil removal, filtration, etc;

2. Chemical treatment method: a method of using chemical reactions to remove harmful substances from wastewater, including neutralization, chemical precipitation, oxidation-reduction, etc;

3. Biological treatment method: Utilizing microbial metabolism to decompose organic matter in wastewater, including activated sludge method, biofilm method, oxidation pond method, sewage irrigation method, and anaerobic treatment.

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