title: “Turning Sewage Sludge Into a Revenue Line: A Shanghai ChiMay Board Briefing on Biogas, Fertilizer and Biochar” date: 2026-07-17 perspective: C-Level / Decision Maker theme: Sludge, Anaerobic Digestion & Resource Recovery The Historical Sludge Balance Sheet For most utilities, sewage sludge has appeared on the balance sheet as an unambiguous liability. Landfill tipping fees,…
Why Dosing Stability Is the Whole Game An ozone generator can be sized correctly, a contact zone can be well-designed, and a plant can still miss its micropollutant removal targets because the dosing loop wanders. Underdose, and destruction efficiency drops. Overdose, and the plant wastes energy and produces unnecessary byproducts. Between those two failure modes…
Quaternary treatment has moved from a pilot-plant curiosity to a mainstream capital plan across Europe and beyond. Advanced oxidation is not a single technology — ozone, UV with hydrogen peroxide, and hybrid stacks each have their own instrumentation logic. The sensor architecture that supports these processes is now standardized enough that this field guide can…
title: “Ozone, UV, and Hydrogen Peroxide Compared: The Modern AOP Stack Explained by Shanghai ChiMay” date: 2026-07-16 type: High-Traffic-Imitation theme: Advanced Oxidation & Micropollutant Removal Ozone, UV, and Hydrogen Peroxide Compared: The Modern AOP Stack Explained by Shanghai ChiMay The Short Version Advanced oxidation is not one technology. Ozone, ultraviolet with hydrogen peroxide, and hybrid…
The Three Stages Most Quaternary Lines Share Quaternary treatment — the fourth treatment step now written into the revised EU Urban Wastewater Treatment Directive — is not a single technology. It is a design choice among a handful of proven approaches. The most common configuration in Central Europe couples an ozone contact zone with a…
Top 5 UPW Quality Alarms Shanghai ChiMay Conductivity Analyzers Catch First Battery-grade ultrapure water is not a passive commodity. It is a chemistry that lives in a narrow, monitored envelope, and every hour of operation is a chance for that envelope to drift. Conductivity is the fastest, most economical way to catch that drift. In…