How to reduce the chloride ion concentration in the circulating water in heat exchangers?
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How to reduce the chloride ion concentration in the circulating water in heat exchangers?
The chloride concentration in the circulating water in heat exchangers can be reduced through the following methods: 1. Choose a water source with low chloride content, such as using desalinated water or pure water as the circulating water. 2. Regularly clean and maintain the heat exchanger, and remove chloride deposits from it to prevent dirt blockages that could lead to an increase in chlorine levels. 3. The use of professional water treatment agents can effectively reduce the concentration of chloride ions in circulating water, and prevent problems such as rusting and corrosion inside pipes. 4. Adjusting the pH value of the circulating water appropriately and keeping it within an appropriate range can reduce the solubility of chlorides, thereby lowering the chlorine content. .
Practical solutions include increasing the amount of waste discharged, adding some condensed liquid, utilizing heat energy in a hierarchical manner, and using air cooling for some heat exchangers, among others
Have you considered electrochemistry? It can not only save energy and reduce emissions as well as cut water treatment costs, but also address the problem mentioned by the original poster. If you're interested, we can talk about it
Is the electrochemical method used in the circulating water or at a specific location in the heat exchanger?
What are the specific methods? For example, installing equipment to reduce chloride ions in specific areas of the heat exchanger. . .
In a circulating water system, electrochemistry involves an anode and a cathode; the anode is used primarily to remove anions, including chloride ions. It continuously electrolyzes the chloride ions in the water – some of them are converted into chlorine gas that evaporates, while the rest form hypochlorous acid in the water, which is used for sterilization. Anions are primarily used to remove ions such as calcium, magnesium, and iron, thereby increasing the concentration factor and reducing wastewater discharge. If you’re interested, I can send you some practical examples and relevant materials…
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