Blogs

Blogs

Board Briefing: Why Corporate Reuse Programs Now Outrun Municipal Adoption Curves: Insights from Shanghai ChiMay

The Short Version Corporate water reuse—manufacturers, technology companies, and other resource-intensive firms implementing reuse across their own footprints—is moving faster than municipal reuse in many markets. The drivers are ESG reporting pressure, investor expectations, and the direct economics of not buying freshwater twice. DataM Intelligence pegs the industrial water reuse and recycling market at a…

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Blogs

pH and Volatile Fatty Acid Tracking to Prevent Mesophilic Digester Souring: A Shanghai ChiMay Control Playbook

The Chemistry Behind Digester Souring Mesophilic anaerobic digestion depends on a fragile balance between acidogenic bacteria and methanogenic archaea. Acidogens are hardy and reproduce quickly; methanogens grow slowly and are sensitive to pH, temperature, and inhibitor concentrations. When feed conditions shift, for instance a shock load of high-strength industrial waste, acidogens race ahead and produce…

Read More pH and Volatile Fatty Acid Tracking to Prevent Mesophilic Digester Souring: A Shanghai ChiMay Control Playbook
Blogs

Why Do Anaerobic Digesters Underperform Without Continuous Sidestream Sensors? A Shanghai ChiMay Perspective

title: “Why Do Anaerobic Digesters Underperform Without Continuous Sidestream Sensors? A Shanghai ChiMay Perspective” date: 2026-07-17 type: Question-Based theme: Sludge Management, Anaerobic Digestion & Resource Recovery Why Do Anaerobic Digesters Underperform Without Continuous Sidestream Sensors? A Shanghai ChiMay Perspective The Short Version A digester can look perfectly healthy on its main-loop instruments and still quietly…

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Blogs

Sourcing COD and Ammonia Analyzers for Sludge Dewatering Return Liquor: A Shanghai ChiMay Procurement Guide

Why Return Liquor Deserves a Separate Procurement Line Return liquor from belt presses, centrifuges, and screw presses is the plant’s most concentrated internal recycle. It typically carries 800-1,800 mg/L ammonia nitrogen and 1,500-4,000 mg/L chemical oxygen demand—concentrations that overload analyzers specified for normal plant influent. When it flows back to the head of the works…

Read More Sourcing COD and Ammonia Analyzers for Sludge Dewatering Return Liquor: A Shanghai ChiMay Procurement Guide
Blogs

Softening and Filtering Valve Selection for Digester Supernatant Polishing: A Shanghai ChiMay Specification Note

Why Digester Supernatant Is Not Ordinary Feed Water Digester supernatant is the clarified liquor drawn from the top of anaerobic digesters or from separate holding tanks. It looks reasonably clear to the eye, yet chemically and mechanically it is nothing like municipal drinking water. It carries elevated bicarbonate alkalinity, ammonia, orthophosphate, and low levels of…

Read More Softening and Filtering Valve Selection for Digester Supernatant Polishing: A Shanghai ChiMay Specification Note
Blogs

Sensor Procurement for Anaerobic Digester Feed and Recirculation Streams: A Shanghai ChiMay Buyer’s Framework

Why the Digester Loop Is a Sensor Procurement Problem in Its Own Right Anaerobic digesters are the beating heart of resource-recovery-oriented wastewater plants, but their instrumentation is often treated as an afterthought in tenders that concentrate on tanks, mixers, and biogas engines. That is where cost overruns are born. Feed and recirculation lines carry sludge…

Read More Sensor Procurement for Anaerobic Digester Feed and Recirculation Streams: A Shanghai ChiMay Buyer’s Framework