Page 63 - New Trends In Coal Conversion
P. 63
Current status of CO capture 2
2
from coal facilities
Marta G. Plaza, Covadonga Pevida
Instituto Nacional del Carb on, INCAR-CSIC, Oviedo, Spain
Chapter Outline
2.1 Introduction 31
2.2 Post-combustion CO 2 capture in coal-fired power plants 32
2.2.1 Amine-based POSTCC systems 35
2.2.1.1 Commercial-scale demonstration of POSTCC at coal-fired power plants 35
2.2.2 Emerging POSTCC technologies demonstrated at pilot scale in coal-fired power plants 37
2.2.2.1 Novel POSTCC solvent systems 37
2.2.2.2 Enzyme-enabled POSTCC 37
2.2.2.3 Solid sorbents-based POSTCC processes 37
2.2.2.4 Membrane-based POSTCC processes 39
2.3 Oxy-combustion capture in coal power plants 40
2.3.1 Oxy-combustion in pulverized coal boilers 40
2.3.2 Oxy-combustion in fluidized boilers 41
2.3.3 Pressurized oxy-combustion technologies 42
2.3.4 Chemical Looping Combustion 42
2.4 Power generation from coal gasification with pre-combustion capture 44
2.4.1 Absorption-based PRECC processes 45
2.4.2 Emerging technologies for PRECC 47
2.5 CO 2 capture in coal-based industrial processes 48
2.5.1 CO 2 capture in coal-to-chemicals industry 48
2.5.2 CO 2 capture in coal-to-liquids industry 49
2.5.3 CO 2 capture in the iron and steel sector 49
2.5.4 CO 2 capture in the cement production sector 51
2.6 Concluding remarks 54
Acknowledgments 55
References 55
2.1 Introduction
Coal entails energy security and energy access in developing and emerging economies
but represents an intensive source of carbon emissions that menaces the climate sys-
tem. Despite recent environmental policies of some developed countries against coal
New Trends in Coal Conversion. https://doi.org/10.1016/B978-0-08-102201-6.00002-9
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