Water Quality Monitoring Needs and Advantages of Turbidity Sensor Technology
Vietnam possesses dense river networks and extensive coastlines, presenting multiple challenges for water resource management. The Red River and Mekong River systems provide water for agricultural irrigation, industrial production, and daily life while bearing increasing pollution loads. Environmental monitoring data shows that suspended sediment concentrations in Vietnam’s major rivers can double during rainy seasons compared to dry seasons, creating significant challenges for traditional water quality monitoring methods.
Turbidity sensor technology has become an effective solution for Vietnam’s water quality management challenges due to its real-time monitoring capabilities. Modern turbidity sensors primarily use optical principles to calculate turbidity values by measuring light scattering intensity from suspended particles, offering three key technological advantages:
- High-precision measurement: Capable of 0-4000 NTU/FNU wide range with 0.001 NTU resolution
- Real-time continuous monitoring: Provides second-level response to promptly detect water quality anomalies
- Low-maintenance design: Hygienic self-cleaning sensors can be directly installed in pipelines, reducing media loss
In Vietnam, turbidity sensor applications mainly fall into three categories: online sensors for fixed monitoring points; portable instruments for field testing; and IoT node sensors forming the foundation of distributed monitoring networks.
Turbidity Monitoring Applications in Urban Water Supply and Wastewater Treatment
In major cities like Ho Chi Minh City and Hanoi, turbidity sensors have become indispensable for ensuring water supply safety. Hygienic online turbidity sensors with self-cleaning functions and digital interfaces can be directly installed in water distribution networks for real-time monitoring.
A hygienic turbidity sensor used in multiple large water treatment plants in Vietnam demonstrates representative applications. Using 90° scattered light principles with laboratory-grade accuracy, it’s particularly suitable for comprehensive drinking water process monitoring. Operational data shows these sensors help maintain filtered water turbidity below 0.1 NTU, significantly exceeding national standards and improving drinking water safety.
In wastewater treatment, turbidity monitoring is equally critical for process control and discharge compliance. A large municipal wastewater treatment plant in Vietnam uses surface-scattering turbidity sensors to monitor secondary sedimentation tank effluent, integrating data into plant control systems via standard signals. Reports indicate online monitoring reduces response time from hours to seconds, improving treatment precision and increasing effluent compliance rates from 85% to 98%.
Innovative Practices in Turbidity Monitoring for Aquaculture
As the world’s second-largest aquaculture producer with annual output exceeding 8 million tons (including significant shrimp production), Vietnam faces direct impacts from water turbidity changes on aquatic health. Excessive turbidity reduces photosynthesis efficiency and dissolved oxygen levels.
An IoT-based smart monitoring system in intensive shrimp farms in Ninh Thuan Province demonstrates remarkable results. The buoy-based system integrates turbidity, temperature, pH, dissolved oxygen, and ORP sensors, transmitting real-time data to cloud platforms via wireless networks. Practical data shows these monitored ponds achieve 20% higher shrimp survival rates, 15% better feed conversion efficiency, and 40% reduction in antibiotic use.
For small-scale farmers, local tech companies have developed open-source turbidity detection solutions costing under $50. Deployed to over 300 small farms in Ben Tre Province, these systems help reduce farming risks and stabilize incomes.
Turbidity Sensor Applications in Industrial Wastewater and Environmental Monitoring
Vietnam’s rapid industrialization brings significant wastewater treatment challenges, with turbidity as a key regulated parameter for industrial discharge. Online turbidity sensors have become standard equipment in Vietnam’s industrial wastewater treatment facilities to ensure compliance and avoid penalties.
A large paper mill in northern Vietnam demonstrates industrial applications of turbidity sensors. Using three-stage treatment processes with turbidity sensors at each stage’s inlet/outlet, the plant created comprehensive monitoring networks. Operational data shows these systems improved discharge compliance from 88% to 99.5%, significantly reducing annual environmental fines while saving chemical costs.
In environmental regulation, turbidity sensors form crucial components of Vietnam’s river water quality assessment networks. Hybrid monitoring systems combining satellite remote sensing with ground sensor networks developed by Vietnam’s Water Resources Institute provide scientific basis for targeted governance. Since full implementation, these systems have successfully identified major pollution sources.
Vietnam’s marine economy strategy emphasizes stringent coastal water monitoring. Pilot projects combining satellite data, machine learning algorithms, and cloud computing platforms have developed predictive models for seawater turbidity and other parameters, offering viable solutions for managing Vietnam’s 3,260 km coastline.
We can also provide a variety of solutions for
1. Handheld meter for multi-parameter water quality
2. Floating Buoy system for multi-parameter water quality
3. Automatic cleaning brush for multi-parameter water sensor
4. Complete set of servers and software wireless module, supports RS485 GPRS /4g/WIFI/LORA/LORAWAN
Please contact Honde Technology Co., LTD.
Email: info@hondetech.com
Company website: www.hondetechco.com
Tel: +86-15210548582
Post time: Jul-17-2025