CASE HISTORY Calcium Sulfate Scale Control With ML2580 Background Mining company operates an ore roasting operation for gold recovery in the western US. SO 2 is generated in the process and quenched with water creating a super saturated stream of SO 4 . Calcium sulfate (gypsum) scale forms in the process plumbing and reduces critical flow rates. After months of reduced production, the decision was made to shut down and hydro-blast t

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