Turbidity Monitoring Articles

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Multi-barrier water treatment cleans up turbidity spikes

by WesTech Engineering, Inc.  (Apr. 12, 2016)

When the City of Bloomfield, N.M., was notified by the New Mexico Environmental Department that it had 18 months to bring its drinking water treatment plant into compliance with the Interim Enhanced Surface Water Treatment Rule (IESWTR), they needed a fast, innovative solution. Under the IESWTR, the city was challenged to meet regulatory ...

Removal of clomazone herbicide from a synthetic effluent by electrocoagulation

by IWA Publishing  (Mar. 23, 2016)

The aim of this work was to investigate the kinetics of removal of clomazone herbicide from an aqueous solution by electrocoagulation. The experiments were performed in a cylindrical batch reactor with six aluminum electrodes in monopolar mode, arranged in series and connected to a digital DC power. The aqueous solution (tap water + clomazone) ...

Polishing of treated palm oil mill effluent (POME) from ponding system by electrocoagulation process

by IWA Publishing  (Mar. 7, 2016)

As the ponding system used to treat palm oil mill effluent (POME) frequently fails to satisfy the discharge standard in Malaysia, the present study aimed to resolve this problem using an optimized electrocoagulation process. Thus, a central composite design (CCD) module in response surface methodology was employed to optimize the interactions ...

Performance assessment of modified biosand filter with an extra disinfection layer

by IWA Publishing  (Jan. 29, 2016)

Biosand filters (BSFs) have been used widely as an efficient, inexpensive, and appropriate point-of-use technology. Several organizations are promoting filters without adequate testing, which may not lead to sufficiently safe devices. The objective of this study was to evaluate the performance of a modified biosand filter (MBSF) with an extra ...

The influence of reduced light intensity on the response of benthic diatoms to herbicide exposure

by John Wiley & Sons, Ltd.  (Jan. 23, 2016)

Herbicide pollution events in aquatic ecosystems often co‐occur with increased turbidity and reduced light intensity. It is therefore important to determine whether reduced light intensity can influence herbicide toxicity, especially to primary producers such as benthic diatoms. Benthic diatoms collected from four rivers were exposed to ...

Nested-PCR and TaqMan real-time quantitative PCR assays for human adenoviruses in environmental waters

by IWA Publishing  (Jan. 20, 2016)

Human adenovirus (HAdV) infections can occur throughout the year. Cases of HAdV-associated respiratory disease have been more common in the late winter, spring, and early summer. In this study, to provide viral pollution data for further epidemiological studies and governmental actions, the presence of HAdV in the aquatic environment was ...

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

by Partech (Electronics) Ltd.  (Jan. 12, 2016)

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 ...

TURBIDITY BARRIER ULTIMATE GUIDE

by Enviro-USA American Manufacturer, LLC  (Jan. 5, 2016)

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 ...

The effect of operating parameters on the performance of a biosand filter: a statistical experiment design approach

by IWA Publishing  (Dec. 29, 2015)

The influence of three important parameters, namely, pause time, charge volume and influent turbidity on the performance of a biosand filter (BSF) was assessed by employing response surface methodology with a Box-Behnken design. Fifteen runs were conducted in triplicate using a full-scale BSF with a pore volume of 19.6 L, and the performance ...

Modelling of suspended sediment in a weir reach using EFDC model

by IWA Publishing  (Dec. 21, 2015)

Construction of hydraulic structures often leads to alteration of river dynamics and water quality. Suspended solids entering the upstream of the weir cause adverse effects to the hydroecological system and, therefore, it is necessary to build a modelling system to predict the changes in the river characteristics for proper water quality ...

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