DRAFT BOILER/FEEDWATER GUIDELINES
Lake water has approximately 180 ppm of dissolved solids. 1,000,000 pounds of this water will contain approximately 180 pounds of solids. A 100 hp boiler vaporizing 3,450 pounds of this as make-up water would leave behind 0.62 pounds of solids. Well water can have as high as 1,250 ppm of dissolved solids.
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