The Challenge: The brewery operates a refrigeration system with anhydrous ammonia as the primary coolant. The recompressed ammonia is being cooled down in three evaporative condensers with a total cooling capacity of 1,500 tons. During chemical treatment, cycles of concentration were 2 – 2.5 during the summer months and below 2 for the rest of the year, resulting in an average of around 2. Despite these efforts, significant calc

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