AI Wastewater Treatment Cases - Page 7

$Ferrate (Fe(VI)): Packing "Oxidant + Coagulant" into a Single Molecule — Integrated Oxidation-Flocculation Treatment of Refractory Industrial Wastewater$

Integrated Ferrate (

Ferrate (Fe(VI)): Packing "Oxidant + Coagulant" into a Single Molecule — Integrated Oxidation-Flocculation Treatment of Refractory Industrial Wastewater

Multiple industries nationwide (coking / printing and dyeing textiles / fine che

Pilot to engineering scale (lab-scale to several thousand m³/d)

Ferrate (Fe(VI)/K₂FeO₄/Na₂FeO₄) is a water treatment agent that combines strong oxidizing power and coagulation capability within a single molecule, and its final reduction product, Fe(III), is a natural flocculant. Based on real experimental and engineer

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Cascade Defluoridati

Defluorination of Fluoride-Containing Industrial Wastewater: Why Primary Lime Precipitation Always Plateaus at 8–10 mg/L — Tiered Defluorination via Calcium Salt Precipitation, Aluminum Salt Coagulation, Adsorption Polishing, and Crystallization Recovery

Multiple industries nationwide (photovoltaics/semiconductor/panel display/rare e

Pilot to full-scale engineering (0.5 m³/h to 90,000 m³/d)

Fluoride is a monovalent anion, so hydroxide precipitation is not an option; the solubility product of CaF₂ (Ksp ≈ 3.9×10⁻¹¹) locks the effluent of the single-stage calcium process at 8–10 mg/L. Based on publicly available literature and engineering cases

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Denitrification Deep

Denitrification Deep-Bed Filter: To remove 1 mg of Total Nitrogen, why can sodium acetate range from 3.4 mg to 9.3 mg?

Multiple industries nationwide (coal chemical/petrochemical/industrial parks/pri

Pilot to full-scale engineering (4,800 m³/d to 100,000 m³/d scale)

The denitrification deep-bed filter is not a terminal filter, but an anoxic biofilm reactor. Based on publicly available literature and engineering cases—including Water Purification Technology, Henan Chemical Industry, a scientific and technological achi

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Magnetic Coagulation

Magnetic Coagulation High-Efficiency Sedimentation: Why Can the Same "Magnetic Powder Dosage" Range from 1 mg/L to 5000 mg/L?

Nationwide multi-industry (municipal upgrading / printing and dyeing & textiles

Pilot to full-scale engineering (5,000 m³/d to 350,000 m³/d scale)

Magnetic Coagulation High-Efficiency Sedimentation (magnetic seed-enhanced coagulation) is a

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Sludge Conditioning

Sludge Conditioning and Advanced Dewatering: 60% Moisture Content Is Not a "Technical Limit" but a Target Derived from Downstream Disposal Requirements

Nationwide multi-industry (municipal wastewater treatment plants / printing and

Pilot to engineering scale (13 tDS/d to 300 tDS/d, corresponding to 1500 t/d of

The moisture content target for advanced sludge dewatering is not the limit of the equipment, but rather an interface value derived backward from four disposal outlets: landfill, incineration, building materials, and land application. Based on publicly av

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Sludge Thermal Dryin

Sludge Thermal Drying: Which Moisture Content Level to Reach Is Not Something the Dryer Alone Can Decide

Multi-industry nationwide (municipal wastewater treatment plants / printing and

Pilot to engineering scale (6 t/d to 600 t/d drying lines, co-processing up to 5

The target moisture content for thermal sludge drying is not determined by the dryer itself. This article breaks down four commonly conflated framings: ① A 79.4% reduction in mass and a 67% reduction in volume are two separate calculations; ② Energy consu

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