Illegal Discharge Surveillance
pH Monitoring Catches Illegal Discharge at a Guangdong Industrial Park
1 / 3Bối cảnh dự án
An industrial park in Guangdong's Jianghai District High-tech Zone hosts semiconductor, PCB and auto-parts manufacturers alongside a waste compaction and sorting facility — a complex mix of wastewater chemistries. Illegal after-hours discharge was polluting the park's water system and overloading downstream treatment.
Thách thức của khách hàng
Illegal discharge is hard to catch: it typically happens in the small hours when manual patrols cannot cover; discharge points are scattered and some enterprises use hidden pipes; and without continuous data, regulators only discover pollution after the damage is done.
Giải pháp của TENGINE
After a full site survey, pH was chosen as the core indicator — it reacts sensitively to the park's industrial effluent. TENGINE's IDP integrated digital pH analyzer, designed for outdoor and in-pipe installation, was deployed at key drainage points for 24/7 monitoring, with live curves on the platform.
Triển khai thực hiện
IDP pH analyzers were installed at the park's key drainage monitoring points, running continuously and streaming real-time pH curves to the supervision platform.
Kết quả dự án
The system recorded the pH plunging to around 2 every night after 2:00 a.m. — pinpointing the exact illegal-discharge window and giving environmental enforcement a precise time lead and hard data evidence. Round-the-clock monitoring has turned into a strong deterrent, enabling 'early detection, early handling' of pollution at the source.
Dự án liên quan
Downhole environments are cramped and complex, and the city had no real-time monitoring inside the network at all. Instruments had to fit tight wells, resist the conditions, and deliver data reliably from underground.
The monitoring points are numerous and sit inside stormwater wells: cramped, harsh underground spaces where installation is difficult. The system had to feed flow, level and conductivity data to the municipal smart supervision platform — with battery power and wireless transmission, since wells have neither.
Old-town pipe conditions are complex, and different wells need different watches. A uniform configuration would overspend where little is needed and underserve the critical points — the scheme had to match monitoring depth to each location's actual risk.
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