Regulatory authorities often believe that imposing a specific abatement technology to manage air quality is the solution to cut emissions. But this is not always the case. A holistic approach is required to reach optimal results and focusing on a specific technology should be avoided. Let’s, for example, look at dust emissions in the steel industry and how they are managed.
First, what is dust?
Atmospheric particulate matter (PM) or dust is tiny pieces of solid or liquid matter in the Earth’s atmosphere. Particulate matter can be man-made (anthropogenic) or natural. It can adversely affect human health and have an impact on the environment, climate and precipitation.
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First, what is dust?
The issues surrounding the emissions of dust from the steel industry and the ambient air levels associated with it are a priority for the steel industry. There is compelling evidence that many decades of effort and technology advances have resulted in dramatic cuts. For example, dust emissions in the European Economic Area and Turkey have been cut by more than 80% since the 1990s.
Our position paper focuses on the essential aspects to consider when regulating air emissions from the steel industry. We look forward to your view on this.
What about the contribution of different sources?
Crucial to improving the quality of the air is understanding which sources are contributing to it the most. Authorities and the public at large should be aware that there is typically not one single source for emissions, not even within a steel plant. In fact, sources can be very diverse, and it can be difficult to identify their share in the emission generation with accuracy. Further refinement of the methods used for source apportionment is, therefore, a priority and will help ensure that efforts yield the most benefits to society.