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The present book contains nine articles that were accepted and published in the Special Issue “Modeling and Control of Energy Conversion during Underground Coal Gasification Process” of the MDPI Energies journal. This book focuses on the energy conversion processes in underground coal gasification (UCG), as well as on the modeling and control of this process. The articles published in this book can be divided into three thematic parts of research in the field of underground coal gasification technology: the first part is the impact of technology on the environment, the second is research (studies) on the coal areas and coal properties of UCG technology, and the third is the monitoring, modeling, and control processes within UCG. We hope that this book will be interesting and useful for workers and researchers in the field of underground coal gasification technology, as well as for those who are interested in the mathematical modeling and control of this process.
Technology: general issues --- History of engineering & technology --- low-carbon energy --- UCG technology --- grouting --- solidification soil --- soil air --- statistic model --- soil contamination --- atmospheric geochemical survey --- environmental burden --- underground coal gasification (UCG) --- optimization --- syngas --- calorific value --- optimal control --- operating variables --- control algorithm --- coal gasification --- rocks --- coal seam --- material balance --- heat balance --- tightness --- gas --- underground coal gasification --- georeactor --- char --- melted waste rock --- gas permeability --- tortuosity --- porosity --- measurement --- temperature --- regression --- model --- analyses --- cavity --- lignite --- UCG --- ex situ tests --- high temperature --- strength and structural parameters of rocks after heating --- destruction zone around gasified channel --- SNG --- UCG wastewater --- environmental impact assessment --- correlation analysis --- effluents --- n/a
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The development of sustainable supplies of critical minerals and metals is required if society is to succeed in the decarbonisation of the global economy. While the discovery of critical metal deposits is urgent, of equal importance is understanding the life cycle of critical metals that are already in the economy. This book includes ten empirical studies on both the discovery and investigations of the life cycle of critical metals. A wide range of critical metals in the hydrothermal system, including Co, Ga, Ge, Re, REEs, In, Sb, Sn and W, were investigated by researchers from China, Australia, North America and Europe. These studies present an advanced understanding of the genesis of global critical metal resources, by utilising traditional and non-traditional analytical approaches. This book also promotes the green mining concept. Innovative technological development that allows extracting additional critical metals from current production and from historic mine wastes is reported. Academics and practitioners will find, in this book, very recent case studies of geochemistry, mineralogy, geometallurgy and the exploration of critical metals in various hydrothermal systems, as well as the major challenges and opportunities facing academic research and industrial mineral exploration.
Research & information: general --- REE precipitation --- thermodynamic modelling --- Bayan Obo REE-Nb-Fe deposit --- cobalt supply --- rhenium --- gold --- by-products --- pyrite processing --- geo-metallurgy --- porphyry-type mining --- green mining --- Re-Os dating --- fluid inclusions --- H-O isotope --- quartz-vein tungsten deposit --- eastern Central Asian Orogenic Belt --- pXRF --- antimony --- mineral exploration --- Vendean antimony district --- sphalerite --- trace elements --- Hilton Zn-Pb (Ag) --- sulphides --- Mount Isa --- critical metals --- hydrometallurgy --- leachate --- ICP-MS --- polymetallic sulphides --- granite --- copper --- mining waste --- waste rock --- recovery rate --- sustainability --- ore genesis --- fluid evolution --- REE enrichment --- carbonatite-related REE deposit --- Qianjiadian uranium deposit --- Songliao Basin --- mafic rocks --- tectonic inversion --- reducing barrier --- U mineralization --- LA-ICPMS --- Jiangnan tungsten ore belt --- Zhuxiling W (Mo) deposit --- reduced skarn --- Mn-rich garnet --- deep-sea sediment --- eastern South Pacific --- bioapatite --- hydrothermal fluids --- LA-(MC)-ICP-MS --- n/a
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The development of sustainable supplies of critical minerals and metals is required if society is to succeed in the decarbonisation of the global economy. While the discovery of critical metal deposits is urgent, of equal importance is understanding the life cycle of critical metals that are already in the economy. This book includes ten empirical studies on both the discovery and investigations of the life cycle of critical metals. A wide range of critical metals in the hydrothermal system, including Co, Ga, Ge, Re, REEs, In, Sb, Sn and W, were investigated by researchers from China, Australia, North America and Europe. These studies present an advanced understanding of the genesis of global critical metal resources, by utilising traditional and non-traditional analytical approaches. This book also promotes the green mining concept. Innovative technological development that allows extracting additional critical metals from current production and from historic mine wastes is reported. Academics and practitioners will find, in this book, very recent case studies of geochemistry, mineralogy, geometallurgy and the exploration of critical metals in various hydrothermal systems, as well as the major challenges and opportunities facing academic research and industrial mineral exploration.
REE precipitation --- thermodynamic modelling --- Bayan Obo REE-Nb-Fe deposit --- cobalt supply --- rhenium --- gold --- by-products --- pyrite processing --- geo-metallurgy --- porphyry-type mining --- green mining --- Re-Os dating --- fluid inclusions --- H-O isotope --- quartz-vein tungsten deposit --- eastern Central Asian Orogenic Belt --- pXRF --- antimony --- mineral exploration --- Vendean antimony district --- sphalerite --- trace elements --- Hilton Zn-Pb (Ag) --- sulphides --- Mount Isa --- critical metals --- hydrometallurgy --- leachate --- ICP-MS --- polymetallic sulphides --- granite --- copper --- mining waste --- waste rock --- recovery rate --- sustainability --- ore genesis --- fluid evolution --- REE enrichment --- carbonatite-related REE deposit --- Qianjiadian uranium deposit --- Songliao Basin --- mafic rocks --- tectonic inversion --- reducing barrier --- U mineralization --- LA-ICPMS --- Jiangnan tungsten ore belt --- Zhuxiling W (Mo) deposit --- reduced skarn --- Mn-rich garnet --- deep-sea sediment --- eastern South Pacific --- bioapatite --- hydrothermal fluids --- LA-(MC)-ICP-MS --- n/a
Choose an application
The development of sustainable supplies of critical minerals and metals is required if society is to succeed in the decarbonisation of the global economy. While the discovery of critical metal deposits is urgent, of equal importance is understanding the life cycle of critical metals that are already in the economy. This book includes ten empirical studies on both the discovery and investigations of the life cycle of critical metals. A wide range of critical metals in the hydrothermal system, including Co, Ga, Ge, Re, REEs, In, Sb, Sn and W, were investigated by researchers from China, Australia, North America and Europe. These studies present an advanced understanding of the genesis of global critical metal resources, by utilising traditional and non-traditional analytical approaches. This book also promotes the green mining concept. Innovative technological development that allows extracting additional critical metals from current production and from historic mine wastes is reported. Academics and practitioners will find, in this book, very recent case studies of geochemistry, mineralogy, geometallurgy and the exploration of critical metals in various hydrothermal systems, as well as the major challenges and opportunities facing academic research and industrial mineral exploration.
Research & information: general --- REE precipitation --- thermodynamic modelling --- Bayan Obo REE-Nb-Fe deposit --- cobalt supply --- rhenium --- gold --- by-products --- pyrite processing --- geo-metallurgy --- porphyry-type mining --- green mining --- Re-Os dating --- fluid inclusions --- H-O isotope --- quartz-vein tungsten deposit --- eastern Central Asian Orogenic Belt --- pXRF --- antimony --- mineral exploration --- Vendean antimony district --- sphalerite --- trace elements --- Hilton Zn-Pb (Ag) --- sulphides --- Mount Isa --- critical metals --- hydrometallurgy --- leachate --- ICP-MS --- polymetallic sulphides --- granite --- copper --- mining waste --- waste rock --- recovery rate --- sustainability --- ore genesis --- fluid evolution --- REE enrichment --- carbonatite-related REE deposit --- Qianjiadian uranium deposit --- Songliao Basin --- mafic rocks --- tectonic inversion --- reducing barrier --- U mineralization --- LA-ICPMS --- Jiangnan tungsten ore belt --- Zhuxiling W (Mo) deposit --- reduced skarn --- Mn-rich garnet --- deep-sea sediment --- eastern South Pacific --- bioapatite --- hydrothermal fluids --- LA-(MC)-ICP-MS --- REE precipitation --- thermodynamic modelling --- Bayan Obo REE-Nb-Fe deposit --- cobalt supply --- rhenium --- gold --- by-products --- pyrite processing --- geo-metallurgy --- porphyry-type mining --- green mining --- Re-Os dating --- fluid inclusions --- H-O isotope --- quartz-vein tungsten deposit --- eastern Central Asian Orogenic Belt --- pXRF --- antimony --- mineral exploration --- Vendean antimony district --- sphalerite --- trace elements --- Hilton Zn-Pb (Ag) --- sulphides --- Mount Isa --- critical metals --- hydrometallurgy --- leachate --- ICP-MS --- polymetallic sulphides --- granite --- copper --- mining waste --- waste rock --- recovery rate --- sustainability --- ore genesis --- fluid evolution --- REE enrichment --- carbonatite-related REE deposit --- Qianjiadian uranium deposit --- Songliao Basin --- mafic rocks --- tectonic inversion --- reducing barrier --- U mineralization --- LA-ICPMS --- Jiangnan tungsten ore belt --- Zhuxiling W (Mo) deposit --- reduced skarn --- Mn-rich garnet --- deep-sea sediment --- eastern South Pacific --- bioapatite --- hydrothermal fluids --- LA-(MC)-ICP-MS
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