Turbidity Monitoring Articles

169 Results found
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  • Subcategory: Turbidity Monitoring ×

Technical Focus: Turbidity as Control for Primary Settlement

by Partech (Electronics) Ltd.  (Oct. 27, 2014)

Turbidity is a very useful tool when regarding control within the primary settlement stage of water treatment. By utilising turbidity as a control variable during this stage of the process you  can enable a more rapid response to variations in load  and provide early warning  to operators of equipment malfunction before it’s ...

High-speed filtration using highly porous fiber media for advanced and compact particle removal

by IWA Publishing  (Oct. 16, 2014)

Since its recent introduction to the filtration industry, one of the major concerns about the use of fiber in water treatment has been its applicability for high-rate filtration while minimizing the build-up of headloss. In this study, a compact, modular filter employing non-woven, highly porous polypropylene fiber as filter media was ...

Strategies of coagulant optimisation to improve the removal of turbidity and Ceratium hirundinella cells during conventional drinking water purification

by IWA Publishing  (Oct. 16, 2014)

The dinoflagellate, Ceratium hirundinella (C. hirundinella) cells are known to cause many problems when source water due for purification contains relatively high concentrations. The objective of this study was to investigate strategies for the effective and simultaneous removal of turbidity and C. hirundinella cells using turbidity and total ...

Flocculation performance of magnetic particles with high-turbidity surface water

by IWA Publishing  (Aug. 6, 2014)

The sharp increase in raw-water turbidity following heavy rain presents considerable treatment problems due to low sedimentation rates. The objective of this study was to evaluate the removal of negatively charged suspended solids (SS) in surface water treatment using magnetic particles (nFeO; FeO · Fe2O3) synthesised in our laboratory. ...

Treatment of suspended solids and heavy metals from urban stormwater runoff by a tree box filter

by IWA Publishing  (Jun. 25, 2014)

Particulates, inorganic and toxic constituents are the most common pollutants associated with urban stormwater runoff. Heavy metals such as chromium, nickel, copper, zinc, cadmium and lead are found to be in high concentration on paved roads or parking lots due to vehicle emissions. In order to control the rapid increase of pollutant loads in ...

Dynamics of pollutant discharge in combined sewer systems during rain events: chance or determinism?

by IWA Publishing  (Apr. 24, 2014)

A large database of continuous flow and turbidity measurements cumulating data on hundreds of rain events and dry weather days from two sites in Paris (called Quais and Clichy) and one in Lyon (called Ecully) is presented. This database is used to characterize and compare the behaviour of the three sites at the inter-events scale. The analysis ...

Virus removal efficiency of ceramic water filters: effects of bentonite turbidity

by IWA Publishing  (Apr. 14, 2014)

Ceramic water filters (CWFs) are utilized in many developing countries as point-of-use (POU) water treatment devices, to reduce waterborne pathogens in potable water. Virus removal efficiencies of several CWFs are investigated under various influent conditions using MS2 (ATCC: 15597-B1) as a surrogate phage for human enteric viruses. The ...

Total Dissolved Solids (TDS) Measurement

by IC Controls Ltd.  (Feb. 11, 2014)

Definition Total Dissolved Solids (TDS) is a measure of the sum of all inorganic and organic substances in a liquid in molecular, ionized or micro-granular colloidal suspended form. The solids must be small enough to survive filtration through a sieve the size of two micrometer.  TDS solids are normally found in all freshwater systems. Major ...

Separation of solids and disinfection for agronomical use of the effluent from a UASB reactor

by IWA Publishing  (Jan. 16, 2014)

The present work addresses the preparation of the effluent from a full-scale upflow anaerobic sludge blanket (UASB) reactor for drip irrigation of orange crops. The pilot plant included a lamella plate clarifier followed by a geo-textile blanket filter and a UV disinfection reactor. The clarifier operated with a surface load of 115 ...

Effect of Suspended Uncontaminated Sediment on POP Release

by John Wiley & Sons, Ltd.  (Oct. 15, 2013)

The transport and fate of persistent organic pollutants (POPs) during resuspension events were investigated using a batch mixing technique. This technique allowed for the determination of sorption and desorption kinetics under more realistic mixing conditions than those used in previous investigations. It was demonstrated that sorption follows ...

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