If the softened water equipment is contaminated, it will immediately endanger the effluent water and continue to cause damage to the relative machinery and equipment. The problem of contamination of softened water treatment equipment is very important, and it is necessary to carefully inspect the existing problems. Whether it is the appearance or application status of the resin, it can be distinguished whether the resin has already been contaminated, which seriously endangers the application status of machinery and equipment. So how can the softened water equipment be judged to be contaminated?

1. Query resin appearance

The resin that produces pollution, from its appearance, significantly darkens from a fully transparent light yellow (cationic resin) or milky white (cationic resin) to a grayish black color.

2. Inspection index value

The conductivity of the effluent from the anion bed gradually increases, and the pH value gradually decreases (can be as low as 5.4-5.7). Due to the organic compounds that were not removed during the reconstruction process, they will disperse and enter the water during the repair operation.

3. Analyzing the Iron Content in Resin

Because iron pollution is quite common, the iron content in the resin can be analyzed. If Fe< 0.01%, not affected by iron pollution, if Fe> 0.1% indicates severe pollution.

4. Soaking detection

Soak the resin in cold water and observe the "color" of the river surface. If there are "colorful" occurrences, it indicates contamination by chemical substances in the raw oil.

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