condition monitoring Articles

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Wastewater treatment plant monitors Greenhouse Gas emissions

by Gasmet Technologies Oy  (Apr. 16, 2014)

Globally, little attention is paid to gaseous emissions from wastewater treatment processes. This contrasts greatly with the regulatory monitoring that is applied to the quality of water emissions from such facilities. However, in Helsinki, Finland, a large municipal wastewater treatment facility continuously monitors its emissions of greenhouse ...

New Condition Monitoring and Analysis System VDAU-6000

by Brüel & Kjær Vibro GmbH  (Apr. 13, 2011)

Brüel & Kjær Vibro announces the world-wide release of the new VDAU-6000. This state-of-the-art condition monitoring system provides an economical alternative to rack-based systems for condition monitoring of rotating machinery, in particular auxiliary machines and balance-of-plant applications. The high density 16-channel parallel ...

Scale, assessment components and reference conditions: Issues for cumulative effects assessment in Canadian watersheds

by John Wiley & Sons, Ltd.  (Jun. 25, 2012)

Recent years have witnessed an increase in the use of watershed‐based cumulative effects assessment (WCEA) in Canada; however, several challenges remain regarding its effective implementation and execution. Fundamental to WCEA is the establishment of linkages between environmental stressors and particular and measurable components of the aquatic ...

The adaptation of nitrifying microorganisms to inhibiting substances at meso- and psychrophilic temperature conditions

by IWA Publishing  (Jul. 4, 2013)

This paper deals with adaption capacity of nitrifiers to allylthiourea (ATU) as a model inhibitor at two temperature levels. Nitrifying communities were developed at 15 (BM15) and 30 °C (BM30). The activity of the nitrifiers was determined by using short-time respiration (STR) tests, oxygen monitoring and in-situ measurements. The oxygen ...

Biofuels Gas Monitoring

by Control Instruments Corporation  (Oct. 5, 2013)

The Customer The Company is one of the world’s leading developers and producers of advanced fuels and green chemicals. The Process The Company uses a gasification process that breaks down wood chips, waste and other feedstock using plasma technology. The process produces a uniform synthetic gas (syngas) that is used to power their turbine ...

Defining cell culture conditions to improve human norovirus infectivity assays

by IWA Publishing  (Jan. 11, 2013)

Significant difficulties remain for determining whether human noroviruses (hNoV) recovered from water, food, and environmental samples are infectious. Three-dimensional (3-D) tissue culture of human intestinal cells has shown promise in developing an infectivity assay, but reproducibility, even within a single laboratory, remains problematic. ...

Surface roughness vision measurement in different ambient light conditions

by Inderscience Publishers  (Aug. 19, 2010)

Machine vision method was used to measure the surface roughness for different Φ38 mm grinding axes in different ambient light conditions. To analyse the effect of ambient light, a method based on the grey-level co-occurrence matrix was applied at the first step. Then, a new calculation method was proposed to minimise the effect of ambient ...

Treatment plant protected by effluent monitor at major drinks factory

by HACH LANGE GmbH - a Hach Company  (Nov. 11, 2013)

The installation of a BioTector continuous TOC (Total Organic Carbon) monitor to police the front end of Cobevco’s wastewater treatment plant has enabled tight control of the treatment process. Delivering results 20 times faster than laboratory techniques, the monitor at the Elton facility in Cheshire provides advance notice of organic ...

Improving the reliability of closed chamber methodologies for methane emissions measurement in treatment wetlands

by IWA Publishing  (Nov. 13, 2013)

Non-homogeneous mixing of methane (NHM) within closed chambers was studied under laboratory conditions. The experimental set-up consisted of a PVC vented chamber of 5.3 litres of effective volume fitted with a power-adjustable 12 V fan. NHM within the chamber was studied according to fan position (top vs lateral), fan airflow strength (23 vs 80 ...

In-pipe monitors turn dreams into reality

by Intellitect Water Ltd  (Aug. 16, 2012)

In-pipe monitors turn dreams into reality The quality of tap water has improved enormously in recent decades, but for largely technological reasons, until recently, knowledge of water quality between the treatment works and the tap has been an almost impossible dream for water treatment and distribution network managers. In this article, Jo ...

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