Veson Nautical Milbros UV Graphs digital chemical tank cleaning solution

Milbros UV Graphs are designed to assist with chemical tank cleaning practices across fleets. The use of UV Graphs complements traditional chemical tanker cleaning methods which require crews to enter confined spaces to sample various sections of the tank, exposing them to harmful chemicals. Using a UV Graph reduces the number of tank entries by allowing operators and crew to perform most of the inspections remotely.

These UV Graphs have been developed to work with a spectrophotometer, a machine now being installed on ships that accepts a sample of the residue, or wash water from the tank. The machine measures the absorbance of light at different wavelengths, including the ultraviolet (UV) range.

Partnered with a UV graph, the data shows how much UV light is absorbed at specific wavelengths, helping the user identify any remaining tank contaminants.

Users can download the required chemical chart and use the onboard spectrophotometer to create a graph. If the graph’s reading is below 100 parts per million (ppm), the tank is clean. If not, the graph will indicate how much contaminant could still be present, allowing the cleaning team to accurately calculate how much more cleaning needs to be done.