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11-12-2010

Bayer MaterialScience: More Climate Protection

Bayer MaterialScience AG (BMS), Leverkusen, Germany, is driving forward the modernization of its production sites to make them more environmentally friendly. The conversion of a large chemical plant in Dormagen, Germany, means the company is now able to virtually eliminate the site’s emissions of nitrous oxide, a gas that is harmful to the climate. The EnviNOx process from Uhde was recently installed at the site for use in the manufacture of nitric acid. The process uses catalysis to convert nitrous oxide – a by-product far more harmful to the environment than carbon dioxide – into nitrogen and water.

Conversion work on the Dormagen plant operated by chemical company Ineos was carried out at a cost of EUR 6.5 million and is expected to reduce nitrous oxide emissions by 98 to 99%. In other words, that means preventing a further 220,000t of CO2 equivalents per year. The EnviNOx reactor replaces a conventional catalyst, which already converted a significant proportion of the nitrous oxide.

Nitrous oxide (sometimes known as laughing gas) contributes to global warming and accelerates the degradation of the protective ozone layer.

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Covestro Deutschland AG

Kaiser-Wilhelm-Allee 60
DE 51373 Leverkusen
Tel.: 0214 60092000

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