Essential technical differencesCore functions of softening water systemSelectively remove calcium and magnesium ions (Ca⁺/Mg⁺) through ion exchange resin, with a hardness removal rate of over 99%, but it cannot intercept pollu…
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Characteristics and risks of Escherichia coliToxigenic strains: Shiga toxin-producing strains such as O157:H7Infection threshold: ≥100 CFU/100mL (GB 5749 mandatory limit)Transmission route: surface water/shallow groundwater con…
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Core treatment objectivesControl scale index (LSI≤0.5)Inhibit corrosion rate (carbon steel <0.075mm/a)Kill microorganisms (total number of heterotrophic bacteria <110⁵ CFU/mL)Key components of the systemPretreatment unit…
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Core filtration characteristicsFiltration accuracy: 1.0-0.1μm (can retain algae/colloids/bacteria)Working pressure: 0.1-0.3MPa (low pressure difference operation)Applicable temperature: 5-45℃ (polypropylene material)Process po…
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Recycled water classification application standardsIndustrial cooling water: conductivity ≤500μS/cm, COD ≤30mg/LLandscape environment water: total nitrogen ≤15mg/L, fecal coliform ≤1000/LUrban miscellaneous water: turbidity…
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Bromate pollution characteristics and limit requirementsGeneration conditions: The risk is significant when the raw water bromide ion is greater than 0.1mg/L and the ozone dosage is greater than 1.0mg/LSafety threshold: The brom…
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