By Hach Company
Maintaining the proper concentration of dissolved oxygen in an aeration basin is necessary to keep microorganisms alive for breakdown of the organic waste. This can only be efficiently accomplished by using an accurate, continuously measuring system.
pH is measured at the discharge from the API Separator
to enhance the efficiency of secondary waste treatment
processes, such as flocculation. However, because
emulsified oil may still be present at this stage, the pH
sensor can become coated, resulting in slow response
and eventual failure.
The highly accurate density sensors can be used in a wide range of applications. They continuously monitor the product quality of liquids online during production. The temperature-compensated density or concentrations such as °Brix, % Alcohol, % H2SO4, and API index are calculated from the measured values.
The AvaSpec Mini is a powerful spectrometer in a small package (90 x 68 x 20 mm, 155 grams). The instrument is available in a variety of fixed configurations covering the UV to the NIR with resolution as high as 0.2 nm (FWHM). This spectrometer is ideal for radiometry, UV/VIS chemistry, colorimetry, and Raman spectroscopy applications.