Online DOC measurement is carried out by using measuring UV absorbance, typically at 254nm, and relating the absorbance to a dissolved organic carbon value. DOC characterisation can be carried out by using multiple UV wavelengths, from this information about how hydrophobic/hydrophilic the organics are as well as their molecular weight can be determined.
DOC measurement is often used as part of a SUVA (Specific Ultraviolet Absorbance) measurement which again seeks to provide more information about the nature of the organic material in water.
An online UV-Vis spectrophotometer for DOC measurement for drinking water and raw water.
An automatic coagulation control system using online NOM characterisation to optimise coagulation.
Since the 2013 report from the Intergovernmental Panel of Climate Change (IPCC), a major effort has been made to understand the migration of carbon from the land to the ocean via the catchment drainage systems in the UK.
In 2011, a Compass trial was set up at the challenging 136ML/day Mythe WTW, here’s what we discovered.
Achieving reliable automatic coagulation control is something many water companies struggle to maintain in highly variable (flashy) catchment areas. These areas can be at one time or another; typically low in particulates with a moderate to high natural organic matter (NOM) content or vice versa.
Reduced DBP formation potential by utilising multiple UV wavelength analysis for NOM characterisation and effective organics removal.
Our team of dedicated field support technicians are vastly experienced in applications and installations. We understand how analysers work, why they were installed and what data they need to produce.
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