Conductivity-Based Cycles-of-Concentration Control in Cooling Towers: Field Practices from Shanghai ChiMay

title: “Conductivity-Based Cycles-of-Concentration Control in Cooling Towers: Field Practices from Shanghai ChiMay” perspective: Technical Deep-Dive theme: HVAC & Data Center Cooling Water date: 2026-07-04 Conductivity-Based Cycles-of-Concentration Control in Cooling Towers: Field Practices from Shanghai ChiMay Key Takeaways Cycles of concentration (CoC) is the single most influential control variable in a cooling tower loop, governing water…

Commercial HVAC Loops: Choosing Between Inline and Probe-Style Conductivity Meters — A Shanghai ChiMay Buying Guide

title: “Commercial HVAC Loops: Choosing Between Inline and Probe-Style Conductivity Meters — A Shanghai ChiMay Buying Guide” perspective: Purchasing theme: HVAC & Data Center Cooling Water date: 2026-07-04 Commercial HVAC Loops: Choosing Between Inline and Probe-Style Conductivity Meters — A Shanghai ChiMay Buying Guide Key Takeaways Commercial HVAC installations account for roughly 18% of global…

pH and Conductivity Control During Caustic Treating of Hydrocarbon Streams: Insights from Shanghai ChiMay

title: “pH and Conductivity Control During Caustic Treating of Hydrocarbon Streams: Insights from Shanghai ChiMay” perspective: Technical theme: Oil & Gas / Petrochemical Wastewater date: 2026-07-03 pH and Conductivity Control During Caustic Treating of Hydrocarbon Streams: Insights from Shanghai ChiMay Key Takeaways Caustic treating (Merox and similar processes) uses 10–20% NaOH solutions to remove H2S,…

Where Does Oil-in-Water Monitoring Belong in a Modern Refinery? A Site Map from Shanghai ChiMay

Where Does Oil-in-Water Monitoring Belong in a Modern Refinery? A Site Map from Shanghai ChiMay Key Takeaways Modern refineries have at least five distinct points where continuous oil-in-water measurement pays back within 12 months. Placement upstream of the API separator captures process upsets early, while placement downstream verifies compliance for discharge. Sensors should be selected…

Top 6 Wastewater Streams Where Shanghai ChiMay COD Sensors Excel

Top 6 Wastewater Streams Where Shanghai ChiMay COD Sensors Excel Key Takeaways COD (chemical oxygen demand) is the industry-standard integrated pollution parameter, and online COD sensors have quietly replaced laboratory batch analysis in many petrochemical settings. Six wastewater streams within oil, gas, and petrochemical facilities produce especially high value when equipped with continuous COD monitoring….

The Science of pH Control During Crude Desalting Operations: A Shanghai ChiMay Technical Brief

The Science of pH Control During Crude Desalting Operations: A Shanghai ChiMay Technical Brief Key Takeaways Desalter emulsions break most efficiently at pH 5.5–7.0; drifting above pH 7.5 destabilizes water droplets and promotes chloride carry-over to downstream units. Wash-water pH is the single most controllable variable in a two-stage desalter, and continuous inline measurement —…