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[Chemical Knowledge]：The Difference between Residual Chlorine and Chloride Ion and Its Effect on Water Quality

Read： 1145 Time：19months ago Source：Transform the World with Simplicity

Residual chlorine and chloride ion are two kinds of water treatment agents that we often hear in our daily life, and they are closely related to the safety of water quality. However, many people are not clear about the difference between residual chlorine and chloride ions, and their respective effects on water quality. Today we will introduce the difference between the two in detail and explain their impact on water quality.

we talk about residual chlorine. Residual chlorine refers to chlorine that remains in the water after chlorine or sodium hypochlorite disinfectant is added to the water and fails to react with organic substances after being used in excess. Residual chlorine is a common disinfectant, which can effectively kill bacteria, viruses and other microorganisms in water to ensure the safety of drinking water. However, when the residual chlorine content is too high, it will affect human health, so the residual chlorine content in drinking water needs to be strictly controlled.

and chloride ion refers to the chlorine atoms lose electrons to form ions. Chloride ion is a ubiquitous inorganic salt ion in water, which plays a balancing and osmotic adjustment role in water. Chloride ions are soluble in water, so there will be a certain amount of chloride ions in drinking water. However, the impact of chloride ions on human health is relatively small, and it will only affect the human body at extremely high concentrations.

residual chlorine and chloride ions have different effects on water quality. Residual chlorine mainly plays a role of disinfection and sterilization, which can effectively kill microorganisms in water and eliminate peculiar smell and impurities in water. However, the presence of residual chlorine will also reduce the dissolved oxygen content in the water and affect the taste of the water. Chloride ion mainly plays a role in regulating permeability and conductivity, and has relatively little impact on water quality.

in real life, we should pay attention to the content of residual chlorine and chloride ions in drinking water. Reasonably control the residual chlorine content to ensure that it is within the qualified range to ensure the safety of drinking water. For the content of chloride ions, it is necessary to monitor and control according to the actual situation to ensure that the water quality meets the standard. Only by understanding the characteristics and differences between residual chlorine and chloride ions can we better protect the safety of drinking water for ourselves and our families.

In general, residual chlorine and chloride ions are important factors affecting water quality, and they respectively play a role in disinfection and regulation of water quality. We should pay attention to and reasonably control the content of residual chlorine and chloride ions in drinking water to protect the health of ourselves and our families.

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