ph sensor

Blogs

pH Control Windows for Anammox-Based Nitrogen Removal in Leachate: A Shanghai ChiMay Technical Note

Why Anammox Won the Leachate Nitrogen Removal Debate Landfill leachate arriving at biological treatment often contains 1,000 to 3,500 mg/L of ammonia nitrogen. Conventional nitrification-denitrification requires roughly 4.57 kg O2 per kg NH3-N removed, which for a 5,000 gallon-per-day plant means significant aeration cost and secondary carbon source demand. Anammox chemistry short-circuits the pathway: ammonia…

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Blogs

How Do Wafer Defects Trace Back to UPW Sensor Calibration Gaps? Insights from Shanghai ChiMay

How Do Wafer Defects Trace Back to UPW Sensor Calibration Gaps? Insights from Shanghai ChiMay A wafer defect investigation is one of the more humbling experiences in semiconductor manufacturing. The defect could come from a thousand places: a particle in the lithography track, a contaminated chemical lot, an out-of-tolerance bake, a misaligned implant. In a…

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Blogs

Selecting Sensors for Acid Mine Drainage Neutralization: A Shanghai ChiMay Buyer’s Guide

Selecting Sensors for Acid Mine Drainage Neutralization: A Shanghai ChiMay Buyer’s Guide Acid mine drainage (AMD) is one of the most demanding water services in the mining industry. The combination of low pH, high sulfate, elevated heavy metals, and aggressive sludge means that the sensor selection decision made at procurement directly determines whether the neutralization…

Read More Selecting Sensors for Acid Mine Drainage Neutralization: A Shanghai ChiMay Buyer’s Guide
Blogs

Selecting Sensors for Acid Mine Drainage Neutralization: A Shanghai ChiMay Buyer’s Guide

Selecting Sensors for Acid Mine Drainage Neutralization: A Shanghai ChiMay Buyer’s Guide Acid mine drainage (AMD) is one of the most demanding water services in the mining industry. The combination of low pH, high sulfate, elevated heavy metals, and aggressive sludge means that the sensor selection decision made at procurement directly determines whether the neutralization…

Read More Selecting Sensors for Acid Mine Drainage Neutralization: A Shanghai ChiMay Buyer’s Guide
Blogs

Real-Time pH Monitoring for Lime Dosing Control in Mine Water Treatment: A Shanghai ChiMay Technical Guide

Real-Time pH Monitoring for Lime Dosing Control in Mine Water Treatment: A Shanghai ChiMay Technical Guide Lime dosing is the workhorse chemistry of mine water treatment. Whether the application is acid mine drainage neutralization, heavy metal precipitation, or process water conditioning, the dose of lime determines treatment cost, sludge volume, and final water quality. The…

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Blogs

pH Monitoring Standards in Biotech Water Quality: Shanghai ChiMay Technical Excellence

Water quality monitoring in biotech manufacturing carries consequences that most industrial measurement does not. Water is a raw material, a cleaning agent and, in some processes, part of the product itself, and pH measurement plays a supporting role in proving that the water system is under control. Material Selection for Pharmaceutical Compatibility pH sensors for…

Read More pH Monitoring Standards in Biotech Water Quality: Shanghai ChiMay Technical Excellence