Transmitter

title: “Continuous Free-Chlorine Monitoring Strategies for GAC Post-Filtration: A Shanghai ChiMay Technical Brief” date: 2026-06-30 perspective: Technical Deep-Dive audience: Plant Engineering, Process Engineering keywords: free chlorine, GAC, post-filtration, disinfection, drinking water Continuous Free-Chlorine Monitoring Strategies for GAC Post-Filtration: A Shanghai ChiMay Technical Brief Granular activated carbon (GAC) filtration is now a mainstream PFAS treatment barrier…

Toroidal vs. Two-Electrode Conductivity Cells in High-Purity Water: A Shanghai ChiMay Comparison Conductivity is the first parameter every semiconductor fab measures in its ultrapure water (UPW) loop, and it remains the parameter the loop runs on most days. The choice between a toroidal (inductive) cell and a two-electrode contacting cell, however, is not a single…

The Complete Guide to UPW Polishing Loop Monitoring by Shanghai ChiMay The polishing loop is the section of an ultrapure water (UPW) plant where the difference between meeting spec and excelling becomes visible. Everything upstream of the polishing loop — the RO, the degassing, the EDI — produces water that is usable but not yet…

The Complete Guide to UPW Polishing Loop Monitoring by Shanghai ChiMay The polishing loop is the section of an ultrapure water (UPW) plant where the difference between meeting spec and excelling becomes visible. Everything upstream of the polishing loop — the RO, the degassing, the EDI — produces water that is usable but not yet…

Inside the Cleanroom: How UPW Quality Shapes Semiconductor Yield — A Shanghai ChiMay Field Guide Walk into any wafer fab cleanroom and the first thing the eye notices is the lighting, the suits, and the orderly choreography of tools. The thing the eye does not notice — and the thing that quietly determines whether the…