Core water quality indicatorsResistivity ≥18.2 MΩcm (25℃)TOC content ≤5μg/LParticle control>0.1μm (count <1/mL)Total bacteria <0.1 CFU/mLMulti-stage purification process architecture1. Pretreatment unitTwo-stage r…
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Pollution sources and risk levelsCopper precipitation mainly occurs in acidic water pipe networks with a pH of less than 6.5 (common in copper pipes)Concentrations exceeding 1.0 mg/L will cause acute gastrointestinal reactions (…
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Greywater characteristics and treatment targetsDefinition: Washing/showering/laundry wastewater (BOD<sub>5</sub>≤150mg/L, SS≤100mg/L)Prohibited scenarios: fecal/kitchen wastewater is strictly prohibited (Escherichi…
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Core pollution control objectivesCompletely remove residual chloride/sulfate in the fuselage (concentration <5mg/L)Eliminate magnesium and calcium scaling caused by hard water deposition (hardness ≤0.1dH)High-precision rever…
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Core pollution control standardsDrinking water selenium concentration limit ≤ 0.05mg/L (GB 5740-2022)Total selenium in industrial wastewater needs to be < 0.2mg/L (GB 8978-1996)Dual process deep purification system1. High-pr…
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Core value of water qualityThe physical and chemical purity of experimental water directly affects the accuracy of the reaction:Solubility: >99% inorganic salts are soluble (25℃ conductivity ≤0.1μS/cm)Biocompatibility: exp…
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