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Preventing Membrane Scaling: A Guide for ZLD Operators Key Takeaways: – Membrane scaling causes 40-60% of all ZLD membrane failures, making prevention critical for system reliability – Anti-scalant dosing can reduce scaling by 85-95% when properly applied based on water chemistry – Conductivity and pH monitoring provide early warning of scaling conditions before irreversible damage…

Key Points Conductivity measures electrical current flow while TDS measures actual dissolved solids mass—related but distinct parameters Conversion between conductivity and TDS requires region-specific conversion factors typically ranging from 0.5-0.7 Measurement accuracy differs significantly: conductivity achieves ±1% accuracy while TDS laboratory methods achieve ±3-5% Choosing the wrong parameter causes 15-25% of water treatment errors in…