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CSR News: Sharp and IIT Delhi Working On Tech Which Removes PAHs From Air

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Sharp Corporation, working in collaboration with Associate Professor Dr Sagnik Dey and Associate Professor Dr Gazala Habib of Indian Institutes of Technology, Delhi has demonstrated that Plasmacluster Ion (PCI) has the efficacy to remove PAHs (Polycyclic Aromatic Hydrocarbons), which are contained as toxic air pollutants in Indian cities.
This project started in 2018 by measuring the composition of particulate matter in air pollutants in New Delhi NCR region of India. As a result, many types of pollutants were identified, including PAHs, which are known to be toxic to the human body.
Using the results as a reference, IIT Delhi and Sharp selected three types of PAHs to test the effectiveness of
Plasmacluster against these PAHs. The results showed that 91.1% of Fluoranthene, 62.1% of Chrysene, and
94.6% of Dibenzo(a, h)anthracene were effectively removed by applying Plasmacluster.
Plasmacluster Ion is a revolutionary air purification technology from which positive ions [H+(H2O) n]] and negative ions [O2( H2O) m] are released into the air simultaneously. These positive and negative ions instantly recombine on the surface of pollutants such as bacteria, viruses and chemical compounds floating in the air to form hydroxyl (OH) radicals, which have extremely high oxidation ability, and this chemical reaction decomposes the cellular compounds or chemical structures, thereby neutralizing their toxicity. Sharp is using the fact that higher ion concentration results in greater efficacy to decompose air pollutants. SHARP envisaged the potential application of this technology in other environments such as hospital, office, public area etc.
Sharp will continue its initiatives to contribute to society in the health domain through further evolution of PCI technology and additional demonstrations of its efficacy with the aim of lessening the burden of various contaminants in our life.