Lime Slurry used to adjust pH-value in water plant Water suppliers has to treat the drinking water, before it is brought to the customer. Depending on the raw water, one process step is to stabilize the pH-value. Drinking water should have a chemical balance and be neither too sour nor too alkaline. It is recommended by the authorities to have a pH value of in between 7.0 and 8.5. For this purpose lime slurry is used. Lime slurry is a suspension of calcium hydroxide in water. People call lime slurry also „liquid“ lime or whitewash. This slurry or hydrated lime is chemically very active. It can be pumped and makes is rather easy to handle. The disadvantage of limestone slurry, it is very abrasive and viscose. Often hoses are used rather than iron pipes as they are easier to exchange when bl

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