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.
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Online Optimisation Savings Tool
The need to operate in a sustainable fashion provides the modern wastewater treatment plant with a unique challenge. Reducing costs whilst fulfilling ever stricter discharge consents, even in the event of sudden load peaks, is key.
Are you are interested in potential savings for phosphate elimination, nitrification/de-nitrification or sludge thickening, check out our Optimisation Savings Tool.
Simply answer six quick questions in our Potential Savings Tool and view your result straight away!
W.T.O.S. delivers savings from day one
Wastewater treatment plants must not only treat wastewater but also work cost-eff ectively. With the soaring cost of energy and chemicals, coupled with ever increasing pressure to fi nd sustainable solutions, saving money whilst maintaining compliance is becoming more and more diffi cult.
W.T.O.S. meets these needs with low cost solutions and provides simple integration, delivering cost reductions from the start. Comprehensive control strategies ensure longterm savings, whilst ensuring plant compliance and stability.
Phosphate elimination with load based precipitant dosing
With the HACH LANGE P-RTC (real time controller) you can be sure to maintain phosphorous effluent limit compliance whilst improving your plant's efficiency.
The P-RTC ensures stable effluent values even under peak load conditions. Flow and phosphate concentration are constantly measured, precipitant dosing is adjusted according to the actual load ensuring compliance while at the same time reducing precipitant costs.
Nitrification / Denitrification
With the HACH LANGE N/DN-RTC (real time controller) you can ensure nitrogen effluent limit compliance while at the same time improving your plant's efficiency.
The N/DN-RTC can deliver full control of the aeration process even under peak load conditions. Multiple parameters such as ammonia, nitrate and dissolved oxygen are constantly measured to tightly control the aeration process, thereby ensuring compliance and reducing energy costs.
The HACH LANGE ST-RTC (real time controller) enables you to improve your plant's operational reliability regarding sludge thickening and sludge digestion.
The ST-RTC is an open and closed loop control unit for the optimisation of polymer dosage in mechanical sludge thickening. It keeps the desired dry solids content in the thickened sludge at a constant level, resulting in improved operational stability of sludge thickening - a requirement for an optimal gas yield.
With W.T.O.S. modules for process optimisation, these requirements can now be fulfilled:
•Improved stable plant operation and compliance
•Increased plant reliability
•Reduced chemical and energy consumption
•No added building work or construction needed
•Quality solutions come as standard
The standardised W.T.O.S. modules optimise wastewater treatment plants of any size as they can be arranged in a customised manner for all requirements. Standard interfaces allow for smooth integration into existing systems. Commissioning is simple and fast, ensuring reliable project implementation.
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For further information please email HACH LANGE LTD