Describes international technologies for controlling NOx emissions, primarily from coal combustion. Over 115 control systems are documented with, as available, system descriptions, process applications, pollution reduction capability, system diagram, supplier/manufacturer.


Primarily facilities which utilize coal combustion.

Table of Contents

Part I: NOx Emissions from Coal Combustion 1. Introduction 2. Nitrogen Chemistry 2.1 Nitrogen Oxides 2.2 Nitrification and Denitrification in Soils 2.3 Reactions of NOx with Other Pollutants 3. Effects of Nitrogen Oxides 3.1 Global Effects 3.2 Regional Effects 3.3 Human Health 3.4 Summary 4. Emission Sources and Concentrations 4.1 Natural Emissions 4.2 Emissions Due to Human Activities 4.3 Global Background Concentrations 4.4 Summary 5. Transport and Deposition of NOx 5.1 Short Range - Plumes 5.2 Long Range 6. Region Emissions, Concentrations and Legislation 7. Impacts of Legislation and Future NOx Emissions 7.1 Future Emissions 7.2 Future Concentrations 7.3 Possible Detrimental Effects of Controls 7.4 Possible Environmental Improvements 8. Conclusions 9. References Part II: NOx Control Technologies for Coal Combustion 1. Introduction 2. NOx Formation 2.1 Formation of Nitrous Oxide 2.2 Techniques for Reducing NOx Formation 3. Regulations on NOx Emissions 3.1 International Agreements and Standards 3.2 National Standards 4. Control of NOx Emissions Through Combustion Measures 4.1 General Approach 4.2 Influence of Coal Properties on NOx Control 4.3 Operational Measures 4.4 Design Measures 4.5 Potential Impacts of Combustion Modifications 4.6 Modifications to Existing Boilers 4.7 Dry Bottom Boilers, Pulverized Fuel 4.8 Wet Bottom Boilers or Slag Tap F


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© 1992
William Andrew
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About the author

Lesley Sloss

Affiliations and Expertise

International Energy Agency, Clean Coal Centre, UK