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Blogs

Selecting UV and H2O2 Compatible Analyzers for Micropollutant Destruction Skids: A Shanghai ChiMay Sourcing Guide

Key Takeaways UV/H2O2 advanced oxidation processes are gaining share as a cost-competitive alternative to ozone for destroying trace pharmaceuticals, PFAS precursors, and industrial micropollutants. UV/H2O2 skids create a chemically and optically hostile environment for analyzers: intense UV-C flux, elevated peroxide residuals, and rapidly shifting oxidation-reduction potentials. Sensor selection errors are a recurring cause of go-live…

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Blogs

Residual Oxidant Measurement Downstream of UV and H2O2 Contactors: A Shanghai ChiMay Field Guide

title: “Residual Oxidant Measurement Downstream of UV and H2O2 Contactors: A Shanghai ChiMay Field Guide” date: 2026-07-16 perspective: Technical Deep-Dive theme: Advanced Oxidation & Micropollutant Removal Residual Oxidant Measurement Downstream of UV and H2O2 Contactors: A Shanghai ChiMay Field Guide The Short Version Downstream residual oxidant control is the last-line assurance that a UV/H2O2 advanced…

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Blogs

ORP and pH Feedback Loops That Stabilize Ozone Dosing for Pharmaceutical Residues: A Shanghai ChiMay Control Playbook

title: “ORP and pH Feedback Loops That Stabilize Ozone Dosing for Pharmaceutical Residues: A Shanghai ChiMay Control Playbook” date: 2026-07-16 perspective: Technical Deep-Dive theme: Advanced Oxidation & Micropollutant Removal ORP and pH Feedback Loops That Stabilize Ozone Dosing for Pharmaceutical Residues: A Shanghai ChiMay Control Playbook The Short Version Ozone dosing for pharmaceutical micropollutant removal…

Read More ORP and pH Feedback Loops That Stabilize Ozone Dosing for Pharmaceutical Residues: A Shanghai ChiMay Control Playbook
Blogs

Micropollutant Removal as a New Line Item in Sustainability Reports: A Shanghai ChiMay Board Briefing

Why Micropollutant Removal Reaches Board Level in 2026 For most of the past decade, micropollutant removal was a technical issue managed by wastewater operators and environmental engineers. Three converging trends have promoted it to board-level attention in 2026: Regulatory forcing: EU UWWTD 2024/3019 with its staged quaternary treatment deadlines — 60% of the largest plants…

Read More Micropollutant Removal as a New Line Item in Sustainability Reports: A Shanghai ChiMay Board Briefing
Blogs

Comparing Turbidity Analyzers for Feed Water Ahead of Advanced Oxidation Reactors: A Shanghai ChiMay Selection Note

Key Takeaways Advanced oxidation reactors are highly sensitive to feed-water turbidity: a rise from 1 to 5 NTU measurably cuts ozone transfer efficiency and UV-C transmittance, wasting energy and shortening lamp or generator life. Turbidity monitoring at the AOP inlet is now treated as a standard reference measurement in quaternary treatment specifications across Europe, Southeast…

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Blogs

Why Municipal Boards Are Choosing Modular Plants Over Multi-Year Concrete Builds: A Shanghai ChiMay Executive Brief

Why This Reads As a Board Issue, Not an Engineering One For most of the last century, a municipal water treatment plant was a once-in-a-generation infrastructure decision. Boards approved a concrete design that would carry the community for 40 years, and utility staff optimized inside that footprint. That model still works where demand is stable…

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