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Sensors 2018, 18(1), 70; https://doi.org/10.3390/s18010070

Design and Implementation of a Coastal-Mounted Sensor for Oil Film Detection on Seawater

1,2
,
1,2,* , 1,2
,
2
and
1,2
1
Navigation College, Dalian Maritime University, Dalian 116026, China
2
Environmental Information Institute, Dalian Maritime University, Dalian 116026, China
*
Author to whom correspondence should be addressed.
Received: 30 November 2017 / Revised: 24 December 2017 / Accepted: 25 December 2017 / Published: 28 December 2017
(This article belongs to the Special Issue Sensors for Oil Applications)
View Full-Text   |   Download PDF [7526 KB, uploaded 28 December 2017]   |  

Abstract

The routine surveillance of oil spills in major ports is important. However, existing techniques and sensors are unable to trace oil and micron-thin oil films on the surface of seawater. Therefore, we designed and studied a coastal-mounted sensor, using ultraviolet-induced fluorescence and fluorescence-filter systems (FFSs), to monitor oil spills and overcome the disadvantages of traditional surveillance systems. Using seawater from the port of Lingshui (Yellow Sea, China) and six oil samples of different types, we found that diesel oil’s relative fluorescence intensity (RFI) was significantly higher than those of heavy fuel and crude oils in the 180–300 nm range—in the 300–400 nm range, the RFI value of diesel is far lower. The heavy fuel and crude oils exhibited an opposite trend in their fluorescence spectra. A photomultiplier tube, employed as the fluorescence detection unit, efficiently monitored different oils on seawater in field experiments. On-site tests indicated that this sensor system could be used as a coastal-mounted early-warning detection system for oil spills. View Full-Text
Keywords: oil spills; ultraviolet fluorescence spectroscopy; relative fluorescence intensity; monitoring system oil spills; ultraviolet fluorescence spectroscopy; relative fluorescence intensity; monitoring system
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Hou, Y.; Li, Y.; Liu, B.; Liu, Y.; Wang, T. Design and Implementation of a Coastal-Mounted Sensor for Oil Film Detection on Seawater. Sensors 2018, 18, 70.

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