Choose the Right Monitoring Technology for Environmental Compliance!

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Market leading maker of smart water quality monitoring equipment Rivertrace warns that environmental compliance is at risk from poor choice of monitoring technologies, says an article published in Nafsgreen.gr.

New white paper published

Rivertrace, in a new white paper published, advises ship owners with a choice between several different sensor technologies suited to specific applications.

Why is Oil-in-water monitoring needed?

Oil-in-water monitoring on ships is needed to comply with MARPOL measures for the prevention of oil pollution as well as in several other areas. 

Stringent measures governing oil pollution require that if monitoring is not effective, discharges cannot be carried out. To motivate ship owners to select the right technologies, providing a significant operational incentive could benefit.

Managing Director of Rivertrace 

Mike Coomber, Managing Director of Rivertrace says: 

“Oil-in-water monitoring is used in a wide array of marine and industrial applications and it is crucial that operators know which technology is the most appropriate for their purposes. Rivertrace’s foundation in research and development across all these solutions means we can offer a balanced view based entirely on customer needs.”

Four optical technologies to choose from

Scattered light monitoring 

  • Scattered light monitoring measures the amount of light that is scattered by oil particles in water to measure oil content.
  • This is a well-proven, robust, and cost-effective sensor technology that is deployed in multiple solutions, including those monitoring oil in bilge water or ballast water discharge.

Absorbance sensors 

  • Absorbance sensors measure oil concentration based on the principle that different particles absorb light of different wavelengths. 
  • Monitors use multiple wavelengths to identify solids and oil particles. 
  • The technology is particularly effective where oil types are not known and works well even with turbid water. 
  • It has often been used in offshore production facilities.

Fluroescence sensors 

  • Fluroescence sensors identify the presence of a specific oil type by measuring the light that particles give off when exposed to light of a particular wavelength. 
  • This technology is ideal when very low concentrations need to be detected, such as monitoring scrubber wash water discharge.

Microscopy technologies 

  • Microscopy technologies use the size and number of particles to visually identify oil concentration. Images from a high-speed camera are analyzed against a predefined library which can distinguish between oil, gas and solids. 
  • This technology is useful when dealing with unknown oil types and does not require calibration. It is well suited to monitoring oily water discharge from ships.

Role of Rivertrace 

Rivertrace is well positioned to offer guidance, deploying all four technologies across a wide range of monitoring equipment. The company has also played an active role in developing oil pollution monitoring regulation in the marine sector. 

As a result, the company understands how each technology can be best applied to help ship operators achieve environmental compliance.

Rivertrace’s expertise and guidance

  • Rivertrace’s expertise is underpinned by an internal research and development team dedicated to continually developing its existing products. 
  • Its engineers can draw on experience gathered from more than 30,000 monitors and systems installed worldwide, as well as working with leading separator manufacturers and many leading shipping, offshore oil and gas and land-based industrial companies.
  • Rivertrace has published a white paper intended to help ship owners understand the optical technologies available and choose the best solution for their application. 
  • The white paper provides a simple description of each technology along with the advantages and disadvantages for each and a set of criteria for suitable applications. 

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Source: Nafsgreen.gr

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