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http://dx.doi.org/10.7844/kirr.2013.22.2.53

Trend on the Recycling Technologies for Waste Catalyst by the Patent and Paper Analysis  

Lee, Jin-Young (Korea Institute of Geoscience and Mineral Resources)
Pak, Jong-Jin (Hanyang University)
Cho, Young-Ju (Korea Institute of Geoscience and Mineral Resources)
Cho, Bong-Gyoo (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Resources Recycling / v.22, no.2, 2013 , pp. 53-61 More about this Journal
Abstract
Since the 2000s, to start inducement of SCR(Selective Catalytic Reduction) denitrification facility by large scale companies which are emitted large amount of nitrogen oxides such as power plants, combined heat and power plant, incinerators and chemical plants due to take effect the regulation of stationary sources of nitrogen oxide(NOx), and the total amount of discharged pollutants, such as regulatory gradually emissions regulations are being strengthened and the expanded coverage due to the use of SCR denitrification catalyst is a growing trend. Since 2010 due to the new catalysts to replace the already installed power plants and incinerators due to inactive, and catalytic denitrification SCR waste catalyst waste as a resource rather than the development of technologies for recycling situation is urgently needed. In this study, analyzed paper and patent for recycling technologies of waste catalyst. The range of search was limited in the open patents of USA (US), European Union (EP), Japan (JP), Korea (KR) and SCI journals from 1975 to 2012. Patents and journals were collected using key-words searching and filtered by filtering criteria. The trends of the patents and journals was analyzed by the years, countries, companies, and technologies.
Keywords
wast catalyst recycling; patent; paper; analysis; technical trend;
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