Page 178 - New Trends In Coal Conversion

Technologies for control of sulfur 6

and nitrogen compounds and
particulates in coal combustion

and gasification

Fernando Vega, Bernabé Alonso-Fari~ nas, Francisco M. Baena-Moreno,
José A. Rodríguez, Benito Navarrete
Ingeniería Química y Ambiental, Escuela Técnica Superior de Ingeniería e Universidad de
Sevilla, Seville, Spain

Chapter Outline

6.1 Introduction 142
6.2 Gas cleaning technology in PCC 142
6.2.1 NO x removal technology 143
6.2.1.1 What is NO x ? 143
6.2.1.2 NO x formation and types 143
6.2.1.3 General techniques for NO x emission control 143
6.2.1.4 Technological challenges 148
6.2.2 SO x emission control technology 149
6.2.2.1 What is SO x ? 149
6.2.2.2 SO x formation 150
6.2.2.3 General techniques for SO x emission control 150
6.2.2.4 Technological challenges 156
6.2.3 Particles removal technologies 157
6.2.3.1 What is particulate matter? 157
6.2.3.2 PM formation 157
6.2.3.3 General techniques for PM control and removal 158
6.2.3.4 Technological challenges 161
6.3 Gas cleaning technologies in IGCC coal gasification 162
6.3.1 Conventional gas cleaning in IGCC 165
6.3.2 Gas cleaning in IGCC with CCS 166
6.3.3 Hot gas cleaning in IGCC 167
6.3.3.1 Hot gas particulate removal 167
6.3.3.2 Hot gas desulfuration 168
6.3.3.3 Hot gas denitrification 168
6.4 Concluding remarks 170
References 170

New Trends in Coal Conversion. https://doi.org/10.1016/B978-0-08-102201-6.00006-6
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