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Water quality monitoring

Online water quality monitoring is a dynamic field that leverages advanced technology to safeguard water resources, ensure public health, and protect the environment.

Online water quality monitoring involves the continuous or real-time assessment of water quality using various sensors and data acquisition systems. This technology plays a crucial role in ensuring safe drinking water, protecting ecosystems, and complying with environmental regulations.

Key Parameters Monitored

Physical Parameters:
Temperature: Influences chemical reactions and biological processes.
Turbidity: Indicates the presence of suspended particles.
Conductivity: Reflects the concentration of dissolved salts.

Chemical Parameters:
pH: Measures the acidity or alkalinity of water.
Dissolved Oxygen (DO): Essential for aquatic life.
Nutrients (Nitrate, Phosphate): Excess can lead to eutrophication.
Chlorine: Used in disinfection; residual levels are monitored.
Organic Carbon (TOC, COD, BOD): Indicates the amount of organic pollutants.

Biological Parameters:
Coliform Bacteria: Indicators of potential contamination.
Algal Biomass: Monitored in reservoirs and lakes.

Technologies Used

Sensors: Intelligent sensors
Electrochemical Sensors: For pH, DO, and conductivity.
Optical Sensors: For turbidity and certain chemicals.
Biosensors: For detecting specific biological contaminants.

Data Acquisition Systems:
Data Loggers: Collect and store data from sensors.

Water Quality Monitoring Applications

Drinking Water Supply:
Ensures the safety and quality of municipal water supplies.
Detects and addresses contamination events promptly.

Environmental Monitoring:
Protects aquatic ecosystems by monitoring pollution levels.
Tracks the health of rivers, lakes, and coastal waters.

Industrial Effluent Monitoring:
Ensures compliance with discharge regulations.
Prevents harmful pollutants from entering natural water bodies.

Agricultural Water Management:
Monitors nutrient runoff and pesticide contamination.
Optimizes irrigation practices to reduce environmental impact.

Benefits

Real-Time Data: Provides immediate insights into water quality conditions.
Early Warning Systems: Alerts authorities to potential contamination events, allowing for rapid response.
Compliance and Reporting: Facilitates compliance with regulatory standards and simplifies reporting.
Cost-Effective: Reduces the need for manual sampling and laboratory analysis.
Public Health Protection: Ensures safe drinking water and reduces waterborne diseases.

Wastewater quality monitoring Applications

Wastewater Treatment Plants:
Monitoring influent and effluent quality to optimize treatment processes.
Ensuring compliance with discharge regulations.

Industrial Wastewater:
Monitoring and managing industrial effluents to prevent environmental pollution.
Ensuring compliance with regulatory standards.

Municipal Wastewater:
Managing sewage systems and monitoring for contamination.
Ensuring safe discharge into water bodies.

Agricultural Runoff:
Monitoring nutrient runoff and pesticide contamination from agricultural fields.

What is available for measurement of the above?

Sigma Hellas provides on-line measuring systems that include multi-parameter controllers and a wide variety of Intelligent sensors for various parameters such as:
pH, Dissolved Oxygen, Conductivity, Turbidity, Chlorine Dioxide, Residual Chlorine, COD, Nitrate, Ozone, Chlorophyll, Blue-Green Algae. Please contact us for additional information with details of your requirements or application.

 

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