Method and apparatus for parallel desalting

摘要: Parallel desalting (PDS) includes a hybrid membrane softening (MS) system for de-mineralizing water residential and commercial use. produces 'soft' without the use of salt, or any other liquid chemical reagent normally used to carry out pH adjustment in industrial precipitation processes. The PDS process balances operation RO (potable water) unit with tubular MF (wastewater) unit, thereby providing highly efficient regenerative treatment technology: (1) optimum transforms roughly 90 percent potable, slightly brackish supply into < 50 mg/L TDS 1-grain (10 -15 as calcium carbonate)- hardness; (2) produces, salinity terms, 100 reusable effluent downstream recycling. Virtual prototype results suggest that Colorado River Aqueduct source (570 - 620 16-grain hardness), parallel can produce an 40 70 lower than originating (excluding contributed directly by particular type soft water).