Water / Wastewater - UK Focus xiii Customer Demand Drives Investment in New UK Facilities


In response to UK customer demand, SEAL Analytical has recently recruited new technical and sales support staff, and invested in new larger premises. The new Southampton facility includes a state-of-the-art method development laboratory, which will also be used for training and demonstrations, featuring advanced segmented flow analysers such as the AA3 and discrete analysers such as the AQ1, AQ2, and the new AQ400. The lab will also feature block digesters and automated sample/standards preparation equipment.


Increased warehouse space will provide a greater capacity for on-demand parts and consumables, and there will be a larger area for maintenance and repairs.


Welcoming the move, UK Sales Manager Nick Watson said: “This initiative is designed to further improve the levels of service that we provide; our growth is dependent on the relationships that we build with our customers and this investment will help us to ensure that we meet or exceed customer expectations.”


Email, telephone, and fax numbers will remain the same and the new address for SEAL Analytical Ltd is: 3 Talisman Business Centre, Duncan Road, Park Gate, Southampton, SO31 7GA.


Non-Invasive Flow Monitor and DCWW Welsh Water: Aiding Compliance with £1.5million Installation Savings


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Pulsar Process Measurment’s non-invasive flow monitor Flow Pulse is aiding Compliance and Asset Management throughout the Region; over 160 are monitoring flow rates within critical Sewage Pumping Stations (SPS). Flow Pulse is installed at a fraction of the equivalent Magflow meter cost without process interruption.


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DCWW targeted Compliance and Asset Management improvement within the Sewage Pumping Station (SPS) network. A key management element is to continuously monitor the efficiency and performance of individual pumps so, for example, maintenance can be planned and efficiencies maximised. Burst or blocked mains can be identified and Compliance is supported, for example by confirming pump operation during extreme storm conditions.


Pulsar were developing Flow Pulse, a new concept that uses advanced digital Refracted Spread Spectrum Analysis (RSSA) within a clamp-on, non-invasive flow monitor, DCWW’s Innovation Team saw the potential benefits, providing trial sites along with invaluable detailed feedback and support that allowed Pulsar to finalise development.


Flow Pulse has a minimal installation cost, only requiring a simple screwdriver to mount, and there is no interruption to the process. DCWW estimate that they will see a resulting saving compared to Magflow meters of £1.5million over the full project, an average of £6,000 per installation. DCWW have now installed over 160 of the 250 units required for the project.


“This is a great example of R&D collaboration between a Technology provider and Water Company in providing Innovative solutions to meet the challenges of AMP 6 and beyond.” – Carle Redwood, DCWW Senior Innovation Engineer.


Flow Pulse was awarded National Innovation of the Year 2014 by the Institute of Water. 31620pr@reply-direct.com


New Hydrocarbon Monitor Launched


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Modern Water plc, the owner of leading water technologies for the production of fresh water and monitoring of water quality, today launches PetroChek, a new portable or online crude and refined hydrocarbon monitor. The monitor is designed to detect crude oil or refined hydrocarbon spillages which can have catastrophic consequences if left undetected.


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The PetroChek monitor can be used to detect hydrocarbons in freshwater and marine environments and can be used for a wide range of applications. These include: the monitoring of oil spills; airport pollution run-off; the detection of hydrocarbons in effluent; as well as the ability to ensure the water quality is maintained at treatment plants.


The new monitor uses fluorescence to identify Poly Aromatic Hydrocarbons (PAHs) which are inherent in crude and refined hydrocarbons within both fresh and marine water systems. PetroChek is very sensitive to low hydrocarbon concentrations and is ideally suited to real-time monitoring, either as a portable unit, in-situ or online (with a flow cell arrangement). It can provide early warning by first detecting a problem with hydrocarbons, before then helping to control the environmental impact, as well as the remediation and treatment processes.


Neil Townend, Managing Director for Modern Water’s Monitoring Division, said: “Crude oil and hydrocarbon spillages can cause significant damage to the environment so the PetroChek is an important tool for both detection and prevention. It represents an important addition to our range of fluorometers, which has received a significant amount of interest from our customers.”


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New Passive Sampling Device Detects a Range of Pesticides and Common Pharmaceuticals A successful


collaboration between South West Water, the University of Portsmouth (UK) and Natural Resources Wales (UK) has resulted in the development of


a method for deploying the Chemcatcher passive sampler to monitor for a wide range of acid herbicide compounds in river water.


Following the selection of a suitable receiving phase, laboratory calibration trials using spiked river water confirmed uptake rates for the compounds in question and subsequent elution, extraction and analysis by GCMS gave excellent results correlating with the concentrations from the spiked water.


Field deployments have followed on the Rivers Exe, Fowey and Tamar in Devon and Cornwall, typically over a 14 day period. In combination with river flow measurement, time weighted average concentrations can be derived for the following compounds: Bentazone, Bromoxynil, Dicamba, Dichlorprop, Fluroxypyr, MCPA, MCPB, Mecoprop, Triclopyr 2,4-D.


Due to the similarity in chemical structure, the chosen receiving phase can also be used in a ‘screening’ mode for the common pharmaceuticals Ibuprofen, Diclofenac and Naproxen.


Further development work using a different receiving phase has produced very promising results when monitoring for Metaldehyde, the very ‘topical’ and nationally important compound of interest to the water industry, and this work will be taken forward by a NERC 4 year industrial CASE Phd Studentship starting at Portsmouth University in October.


The potential applications for the Chemcatcher include baseline monitoring in advance of catchment management schemes; targeting hot spots in a catchment for interventions; measuring the subsequent benefits/improvements resulting from catchment management initiatives; and more general screening of environmental contaminants including pharmaceuticals, EDC’s, PCP’s, veterinary medicines and priority hazardous substances.


The benefits of passive sampling versus spot samples have been illustrated throughout the field deployments with many examples of significant levels of contaminants being identified whilst being absent in accompanying spot samples.


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3204ad@reply-direct.com www.envirotech-online.com IET September / October 2014


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