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Reduction of polycyclic aromatic hydrocarbon (PAH) emissions from coking plants

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European steel production relies on reliable coke supply, which can be achieved only if European coke is produced in environmental friendly conditions. However, using existing coking techniques, the European proposal for new PAH emission standards (benz(a)pyrene at 1 ng/m3) cannot be achieved.

Since more than half of PAH emissions from modern coking comes from door leakages the most effective strategies for reducing PAH emissions with existing coke ovens are:
- to reduce the original rate of PAH formation in the oven (dependent on the initial coking blend),
- to implement a better control of gas pressure inside the oven.

Further, PAH emissions can be used to help monitor the condition of door seals. Regarding future regulation, it is also important to identify in the surrounding areas of coking plants the sources of emissions in order to quantify the contributions from coking to the total PAH concentration in ambient air.

This integrated project includes laboratory and pilot scale investigations as well as tests at industrial scale for validation.

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THE UNIVERSITY OF NOTTINGHAM
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NOTTINGHAM
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Letzte Aktualisierung: 24 November 2006

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Permalink: https://cordis.europa.eu/project/id/RFCR-CT-2005-00005/de

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