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Benefits to human physiological functions Maintaining fluid balance Chlorine is an element necessary for maintaining fluid and electrolyte balance. Chloride ions and sodium ions are the main ions that maintain osmotic pressure in extracellular fluid. The two account for about 80% of the total number of ions. Together, they regulate and control the volume and osmotic pressure of extracellular fluid and maintain the softness of the body. At the same time, chlorine can also maintain the acid-base balance of body fluids. Chlorine, sodium and potassium form compounds that maintain the acid-base balance of blood in the body. Promote digestion Chlorine is one of the main components of gastric juice. Chlorine in the stomach helps the stomach form gastric juice. Gastric acid can promote the absorption of vitamin B12 and iron, activate salivary amylase to break down starch, thereby effectively promoting intestinal digestion in the human body and facilitating the absorption of external nutrients...

Residual chlorine plays a vital role in the water treatment process. Its main functions include disinfection, prevention of secondary pollution, and maintaining stable water quality. The following are some specific roles of residual chlorine in water treatment:   Sterilization and disinfection As a strong oxidant, residual chlorine can effectively kill bacteria, viruses and other microorganisms in water, thereby preventing water pollution and the spread of waterborne diseases. By detecting the residual chlorine concentration, it can be ensured that the disinfection effect of water meets the hygienic standards and ensures the safety of the water supply system.   Preventing secondary pollution During the process of water being transported from the water plant to the user, it may be secondary polluted by pipelines and facilities along the way. The presence of residual chlorine can continuously sterilize and prevent the water from being contaminated again during the transportatio...