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HACH

About

Whether you want to check the carbon content of waste water or keep an eye on the salt content of your process water, when it comes to water analysis, HACH LANGE is the perfect choice. We have years of experience in water analysis and offer a broad range of services.Our company history dates back to Berlin 1933, when Dr. Bruno Lange set up a company in his own name employing six people. Inventions such as the photometer and later on cuvette tests have revolutionised the field of analysis, making it possible to conduct extensive analyses without the need for in-depth knowledge of chemistry.HACH LANGE was born in 2004 when Dr. Bruno Lange joined forces with HACH, an American company specialising in electro and photochemistry. The expertise of these two companies is now combined, benefitting you, our customers!That's not all, our company is continuing to grow and already has 22 subsidiaries around the world, including branches across Europe, China and the USA.

Contact

Miss Sarah Blayds
Laser House,

Ground Floor,Suite B
Waterfront Quay, Salford Quays
M50 3XW
uk.hach.com

New self-cleaning analyser improves airport's water management

A highly advanced, self-calibrating Total Organic Carbon (TOC) analyser from instrumentation specialist HACH LANGE is helping Manchester Airport to effectively monitor runoff whilst drastically reducing instrument maintenance requirements.


The Airport is the fourth largest in the UK and handles more than 22 million passengers a year. With flights to 225 destinations worldwide, the airport operates around the clock and HACH LANGE's Biotector B7000 analyser is helping to protect the environmental performance of this busy airport.

As a result of extremely low temperatures over Christmas, the airport used more than 600,000 litres of de-icing liquid, such as glycol on aircraft, and acetates on runways, paths and standing areas, which created a challenge for the airport's Water Services Engineer, Mark Stewart. He explained: "The liquid can be washed away by rain and snow into the airport's main drainage system so it is paramount that we have the necessary analysis on-site to monitor the situation. This is because high volumes of different contaminants, such as glycol, will have a significant effect on the subsequent wastewater treatment process.

"The B7000 was selected following excellent performance in independent trials and has now been permanently installed to measure the TOC of run-off prior to the treatment process. Previously installed instrumentation required much higher levels of service and calibration so the B7000 represents a more cost-effective solution.

"Very high levels of organic material, such as glycol, can have an adverse effect on water quality monitoring equipment but we have found the B7000 to be extremely resilient in this respect, and overall it has proved very reliable."

Contaminated water is passed to a local wastewater treatment facility before being discharged into the Manchester Ship Canal.

Explaining the many other applications for the B7000, HACH LANGE's Ian Smith said: "This analyser is extremely robust and flexible; it can measure TOC, COD, BOD, TC, TIC or VOC in water and waste water (even when oil and grease are present) and can operate with up to 30% chloride and 12% calcium sludge. Consequently, it is ideal for use across many industries where inlet and outlet monitoring of wastewater conditioning is required, for organic and inorganic carbon measurement in process waters and for monitoring cooling water, boiler water or surface water. It is self-cleaning, performs complete oxidation through its Two Stage Advanced Oxidation technology and has an extremely low maintenance requirement; no further calibration is necessary between six-monthly services."

Please visit www.hach-lange.co.uk for further product information.



For further information please email HACH LANGE LTD

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