Sensors for SO2 and NO2 detection



Greater Copenhagen area

IMO, the International Maritime Organization, has continuously worked to reduce the level of NO2 and SO2 emissions from ships to ensure a cleaner environment and improve human health. In addition to the increasing restrictions and todays strong regulation, it has now become mandatory for the ships to self-monitor the emission of NOx and SO2. Present solutions to monitor ESO are rather costly and as an alternative we propose a cost-efficient electrochemical sensor based on a potassium ion conductor. The purpose of the project is to develop a low-cost NO2 or SO2 sensor based on a potassium (K)-ion conductor with similar or better performance than commercially available solutions and to unravel the sensing mechanism in order to be able to optimize the sensing electrode. It is strongly believed that such a sensor will have a higher sensitivity and selectivity than the so far known best electrochemical sensors, as potassium is strongly alkaline and NO2 and SO2 are acidic



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Technical University of Denmark

For almost two centuries DTU, Technical University of Denmark, has been dedicated to fulfilling the vision of H.C. Ørsted – the father of electromagnetism – who founded the university in 1829 to develop and create value using the natural sciences and the technical sciences to benefit society.

Today, DTU is ranked as one of the foremost technical universities in Europe, continues to set new records in the number of publications, and persistently increases and develops our partnerships with industry, and assignments accomplished by DTU’s public sector consultancy.

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