Turbidity Monitoring Articles

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Turbidity Measurements in Drinking Water, Effluent Discharges and Coagulant Controlling

by Partech (Electronics) Ltd.  (Oct. 22, 2015)

This month at Partech Water Instruments we’re talking about our turbidity sensors—fantastic to use as an environmental indicator. So how can they be used? We’re here to tell you about turbidity sensors being utilised for drinking water, effluent discharges and coagulant controlling. Turbidity Sensors and Drinking Water ...

How the LISST-ABS works

by Sequoia Scientific, Inc.  (Oct. 20, 2015)

INTRODUCTION: Sequoia’s Acoustic Backscatter Sensor, LISST-ABS is designed to measure suspended sediment concentration at a point. Unlike ADCP’s which may record similar backscatter strength at multiple points along the acoustic beams (‘ranges’), the LISST-ABS  only reports backscatter signal strength at a ...

Comparing Optical Turbidity With LISST-ABS

by Sequoia Scientific, Inc.  (Oct. 20, 2015)

For measuring suspended sediments, the use of optical backscatter sensors or other turdibity sensors is widespread. At the same time, it is understood that these sensors respond to total particle area, not volume or mass. In other words, optical turbidity sensors have this property: their sensitivity decreases with increasing grain size. The ...

Predictive water quality modelling and resilience flow conditioning to manage discolouration risk in operational trunk mains

by IWA Publishing  (Aug. 6, 2015)

This paper presents predictive discolouration modelling and subsequent field trial validation for a cast iron trunk main network. This enabled a UK water company to propose an ‘operational flow conditioning’ maintenance plan that reduces discolouration risk, improves network resilience and asset condition and yet does not require ...

The use of simulated rainfall to study the discharge process and the influence factors of urban surface runoff pollution loads

by IWA Publishing  (Jul. 24, 2015)

An understanding of the characteristics of pollutants on impervious surfaces is essential to estimate pollution loads and to design methods to minimize the impacts of pollutants on the environment. In this study, simulated rainfall equipment was constructed to investigate the pollutant discharge process and the influence factors of urban surface ...

Case Study: Liz Bagshaw on the IRC sensors

by Partech (Electronics) Ltd.  (Jul. 13, 2015)

Our infrared IR’C sensors have been making waves in the world of glacial meltwater monitoring. Glacial environments are key indicators of global warming and climate change. They’re also home to a diverse range of microorganisms. Both of these need to be quantified and monitored, but doing this isn’t easy because of the cold, ...

Enhanced nitrogen removal with an onsite aerobic cyclic biological treatment unit

by IWA Publishing  (Jun. 12, 2015)

Coastal Zone Act Reauthorization Amendments (CZARA, Section 6217) necessitate the requirement that onsite wastewater disposal units located near impaired surface waters or groundwater to provide at least 50% nitrogen removal. Approximately 38% of Hawaii households use onsite systems including septic tanks and cesspools that cannot ...

Point-of-use chlorination of turbid water: results from a field study in Tanzania

by IWA Publishing  (Jun. 8, 2015)

Household-based chlorine disinfection is widely effective against waterborne bacteria and viruses, and may be among the most inexpensive and accessible options for household water treatment. The microbiological effectiveness of chlorine is limited, however, by turbidity. In Tanzania, there are no guidelines on water chlorination at household ...

What is TDS?

by Camlab Limited  (May 30, 2015)

Answer: Total Dissolved Solids (TDS) is a measure of the combined content of all the inorganic and organic substances such as mobile charged ions, minerals, salts or dissolved metals in a volume of liquid. Normally TDS is used in water testing, where TDS is defined as anything present that is not pure water (H2O) molecule ...

Portable UVT Reigns Supreme - Case Study

by Partech (Electronics) Ltd.  (Apr. 22, 2015)

It may be small, but my word it’s effective. One of the newest products into the Partech catalogue, the Sensorex Portable UVT, has already proved its worth in challenging conditions within demanding industry trial. The convenient, user-friendly transmittance instrument with its world leading UV-C LED technology was tested alongside more ...

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