About recycled water
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I am engaged in formaldehyde production. Due to the relatively high hardness of the local water, the new heat exchanger is very thickly covered with calcium salts in just one year. The temperature of the tower has reached more than 70 degrees. I would like to ask you all for advice.
What chemicals are you adding now? Generally, manufacturers will adjust the chemical ratio appropriately according to the local water quality. 1. It can soften the supplementary water, and the water passes through the ion exchange resin to replace calcium and magnesium ions. 2. Add corrosion and scale inhibitors.
Add some chemicals, or use desalted water
Acid treatment is also an economical method