Water/Wastewater
with a lower oxidation potential, requiring catalysts, and could still not cover ranges > 2000 mg C/litre. For higher ranges sample dilution with demineralised water was needed.
In 2009, this petrochemical site replaced one of the older analysers. After thorough research they selected LAR’s QuickTC&TOC analysers and started with a three-month trial period. Within weeks the QuickTOC analysers proved to be very reliable, even without particle filtration, measuring raw process waste water, including organic particles and reducing maintenance tremendously. The analyser is checked weekly, occasionally calibrated and there is a monthly 20 minute standard service. Due to the oxidation strength
at 1200°C, TOC levels up to 50,000 mg C/l can be analysed without dilution. Even after measuring a TOC peak the QuickTOC rapidly recovers, proving clearly the lack of memory and absorption problems. Following the success of the first QuickTOC analyser more LAR TC&TOC analysers were successfully brought into operation here over the following years.
Sweet success sells itself
A single sale leads to the installation of even more Quick analysers. Presently, both these facilities have respectively five and fourteen
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Quick analysers in operation. LAR offers these robust online analysers well-known for their effective, straightforward and reliable technique, capable of measuring up to six streams, with a variety of measurement parameters, e.g. TC, TIC, TOC, TN, TP and VOC/POC. This in addition to their low-maintenance and operational costs, means we are most likely to be able to offer a solid solution for your company as well. Please feel free to contact us if you would to receive more information or take a look at our website
www.lar.com
New In-pipe Monitor for Turbidity and Flow
Intellitect Water (UK) has launched a new version of the Intellisonde in-pipe water monitor that has been designed specifically to help decisions relating to both water quality and network hydraulics.
The new instrument, ‘IntellisondeTF’, will monitor just turbidity and flow, and will provide drinking water distribution network managers with a unique insight into water quality after it leaves the treatment plant and before it reaches the consumer.
The IntellisondeTF monitors turbidity with a tiny nephelometer, and a thermal mass sensor is able to measure very low flow - down to zero and even reverse flow.
Intellitect Water Sales Director John Howell says “The launch of the IntellisondeTF is an important development, because our traditional customers are focused on water treatment and drinking water quality, whereas this product is targeted to meet the needs of hydraulic modellers.
“The family of Intellisonde water quality monitors are able to monitor up to 12 parameters, but the new turbidity and flow version has been designed to offer a cost-effective means with which to both identify problems and measure the success of improvements.”
Developed in response to customer feedback and after discussions with researchers from the Pennine Water Group at the University of Sheffield, the IntellisondeTF will provide much needed data to inform network management decisions.
The Sheffield researchers are led by Prof. Joby Boxall. He says: “The underground water infrastructure in England and Wales is approximately 330,000km in length, but individual pipes comprising the system may be over 100 years old. These pipes perform satisfactorily most of the time, but failures due to deterioration in the internal condition do occur sporadically. It is vitally important therefore, that potential problems are identified before consumers are exposed to unsatisfactory water quality.”
Prof. Boxall´s research interests are concerned with understanding and modelling hydraulic, water quality and infrastructure performance. This work includes an EPSRC sponsored project known as ‘Pipe Dreams’ which aims to develop knowledge tools and techniques with which to maximise the performance of buried pipe infrastructure and help to identify and target future investment.
Knowledge of in-pipe water quality and flow is also key to the success of a further series of research projects working on the prediction and control of discolouration in distribution systems (PODDS).
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www.envirotech-online.com IET May / June 2012
Next issue is International Environmental Technology’s Annual Buyers’ Guide. Make sure your company is included!
info@iet-pub.com New Silica Analyser Launched
Swan Analytical (Switzerland) have launched the AMI Silica. The Silica analyser is now fitted with the new Periclip pump and 2 Litre reagent canisters, for the ease of maintenance and uses the well proven continuous flow photometry.
The analyser is intended for Silica measurement mainly in water steam cycles, cooling- and surface water. The AMI Silica offers a meauring range of 1 to 5’000ppb
The analyser can be equipped with an optional 2nd sample stream switching valve or connected to the AMI Sample Sequencer for up to 6 sample streams.
Reader Reply Card No. 123
Superior Inorganic Arsenic Field Test Kits
Industrial Test Systems (USA) features an array of Arsenic Quick tests that provide accurate results at affordable prices. Designed using cutting-edge, patented chemistry, our kits report results in as few as 12 minutes and detect from 0.2ppb. All tests are performance verified by the USEPA / ETV, used by International Aid Organisations and recommended by numerous American states. Their easy-to-use kits require no technical training and are ideal for on-site testing.
Reader Reply Card No. 124
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