NOx in the mass balance

Published 14 August 2013

Tagged Under: mass balance NOx Technical forum 

Dr Clark discusses how NOx emissions fit into the mass balance of a cement kiln. How do they arise and how can they be controlled and mitigated?

Organic nitrogen compounds in the fuel used to fire the cement kiln

will be oxidised to NOx in the kiln’s main burner and precalciner

During 2012 a popular series of workshops were held in conjunction with the Cemtech Dubai, Jakarta and Geneva conferences on the topic of the fundamental mass balance of a cement kiln. The workshops featured extensive discussion of SO2 and heavy metals emissions from cement kilns – in particular, mercury and thallium emissions in terms of heavy metals. Fundamentally, whatever goes into a kiln must come out in either the clinker, the gaseous emissions from the kiln, or must build up within the system.

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