water turbidity measurement Articles

  • How & When We Measure Turbidity

    Turbidity, along with Suspended Solids, is a way of measuring the clarity of a body of water, and how many particles are affecting it. The difference is that while Suspended Solids describes the density of the materials in the water, Turbidity describes how those materials affect light passing ...


    By Partech (Electronics) Ltd.

  • Research on PWM applied in water turbidity measurement

    In this paper, three common measuring methods for the principles of water turbidity, namely, scattering, transmission and the ratio method are introduced. A method combined with modulation and demodulation techniques based on pulse width modulation (PWM) pulse for turbidity measurement using light intensity modulation is proposed. The experimental system that is, the realizing circuit of ...


    By IWA Publishing

  • What is turbidity?

    Turbidity measures the relative clarity of a water sample. It is determined by the amount of scattering that occurs when a light source is shined through a water sample. Light scattering is caused by increased concentrations of suspended particles in water that are not individually visible to the naked eye, which can give the water a cloudy appearance. This parameter is used as a general ...


    By MANTECH Inc.

  • Why are we monitoring nutrients at different depths?

    Recently, LG Sonic introduced the MPC-Lab, an innovative monitoring buoy that can monitor algae, physico-chemical variables, and even nutrients such as nitrogen and phosphorus in near real-time and at different depths in a body of water. Combined with our other monitoring tools, this system offers a unique way to detect the spatial and temporal patterns of nutrient concentrations which play a ...


    By LG Sonic

  • Turbidity - A Meaningful Parameter For Drinking Water

    This article was featured in International Labmate - July 2008 Turbidity measurement represents a method appearing quite simple with a very complex background. Its complexity is shown by the fact that possibilities for objective and reproducible measurements were developed just about in the 2nd half of the 20th century. Turbidity is caused by dispersion of undissolved particles ...


    By WTW - a xylem brand

  • Turbidity Measurements in Drinking Water, Effluent Discharges and Coagulant Controlling

    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 Turbidity sensors ...


    By Partech (Electronics) Ltd.

  • A Treatise on Turbidity and TSS

    When two distinct physical parameters are used interchangeably, an intimate understanding of both is in order to know when this is justifiable.  Two such parameters are turbidity and total suspended solids.  In many industries today the concentration of total suspended solids is of utmost importance to quality control and process optimization.  However, the measurement most often employed is ...


    By Orival, Inc.

  • TURBIDITY BARRIER ULTIMATE GUIDE

    TURBIDITY BARRIER ULTIMATE GUIDE Definition Floating turbidity barriers (a.k.a. silt curtains, silt boom, sediment curtain) are a temporary in-water sediment barrier consisting of a continuous geotextile fabric curtain suspended from a flotation device on the water surface and held in ...

  • Real-time control of sewer systems using turbidity measurements

    Real-time control (RTC) of urban drainage systems has been proven useful as a means to reduce pollution by combined sewer overflow discharges. So far, RTC has been investigated mainly with a sole focus on water quantity aspects. However, as measurement techniques for pollution of wastewater are advancing, pollution-based RTC might be of increasing interest. For example, turbidity data sets from ...


    By IWA Publishing

  • Turbidity tubes for drinking water quality assessments

    Turbidity tubes have been considered to be the field method of choice for drinking water quality monitoring in resource-limited contexts because of their relative simplicity and low cost in comparison with conventional (nephelometric) turbidimeters. These tubes utilise the principle of visual extinction of a submerged target for turbidity determination and were therefore thought to be subject to ...


    By IWA Publishing

  • A novel image processing-based system for turbidity measurement in domestic and industrial wastewater

    Wastewater treatment facilities are continually challenged to meet both environmental regulations and reduce running costs (particularly energy and staffing costs). Improving the efficiency of operational monitoring at wastewater treatment plants (WWTPs) requires the development and implementation of appropriate performance metrics; particularly those that are easily measured, strongly ...


    By IWA Publishing

  • Drinking water quality control: control charts for turbidity and pH

    Water treatment processes are required to be in statistical control and capable of meeting drinking water specifications. Control charts are used to monitor the stability of quality parameters by distinguishing the in-control and out-of-control states. The basic assumption in standard applications of control charts is that observed data from the process are independent and identically ...


    By IWA Publishing

  • Natural ferrihydrite as an agent for reducing turbidity caused by suspended clays

    Received for publication October 22, 2008. Biologically impaired waters are often caused by the turbidity associated with elevated suspended sediment concentrations. Turbidity can be reduced by the addition of positively charged compounds that coagulate negatively charged particles in suspension, causing them to flocculate. This research was conducted to determine the effectiveness of ...

  • Exclusive: Introducing the new TurbiTechw2 D-ISO turbidity sensor

    We have some exciting news and you are the very first to read about it! This 2nd – 3rd November at the WWEM Show in Telford we will be launching the latest sensor in ...


    By Partech (Electronics) Ltd.

  • Natural ferrihydrite as an agent for reducing turbidity caused by suspended clays

    Biologically impaired waters are often caused by the turbidity associated with elevated suspended sediment concentrations. Turbidity can be reduced by the addition of positively charged compounds that coagulate negatively charged particles in suspension, causing them to flocculate. This research was conducted to determine the effectiveness of ferrihydrite, a poorly crystalline Fe oxide, as a ...

  • Partech Water Instruments Case Study: Landfill Turbidity and Dosing Control - Case Study

    Set in one of Devon’s most beautiful river valleys Deep Moor is a haven for aquatic wildlife and therefore the site needs to be careful not to have any detrimental effects on the environment. Partech have been working closely with Greenacre Pumps of Newton Abbot in order to provide an extremely reliable and cost-effective dosing system. The best things about Partech’s Turbidity and ...


    By Partech (Electronics) Ltd.

  • Ultrasonic depth sensor to measure water levels

    The Dutch algae control company LG Sonic introduced an ultrasonic depth sensor to give the customers real-time insight in the water levels which allows them to adequately deal with water level fluctuations. Reservoirs used for industrial processes or the production of drinking water often deal with strong water level fluctuations. Due to events of high demand and evaporation, water levels in ...


    By LG Sonic

  • Emulsion-Breaking Techniques for Accurate Oil in Water Measurements

    A White Paper discusses emulsion-breaking techniques for ensuring accurate oil in water measurements. Certain water samples, such as those containing detergent, may form an emulsion when oil in water extraction into a solvent is done. In order to ensure an accurate measurement, the emulsion must be broken. Six techniques are described that can be used for reducing an emulsion ...


    By Spectro Scientific

  • Radar measurement in the North Sea

    Background / Task The NLWKN operates the barrier in the inland waterway of the river Ems. They are working with a dense monitoringnetwork which is required e.g. for the preservation of evidence in case of blocks for the protection against storm tides or if the water depth has to be increased to make the Ems navigable for big vessels coming from the dockyard. After an average a new radar ...


    By The OTT Hydromet Group

  • A study on the estimating of sediment concentration with turbidity and acoustic backscatter signal for different sediment sizes

    Turbidity and acoustic measurement are alternative indirect methods to determine sediment concentration. Acoustic Doppler velocimetry can be used to estimate suspended sediment concentration (SSC) with the signal-to-noise ratio (SNR) in the water. In this study, particles size affecting turbidity and SNR values was investigated using four different sediment size groups (0–50, 50–100, 100–200, ...


    By IWA Publishing

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