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The increasing share of renewable energy sources is drawing attention to a critical challenge. The availability of wind turbines and photovoltaic solar cells is limited and difficult to predict. They usually provide a fluctuating feed-in to the grid, so energy reserves, e.g., conventional thermal power plants or energy storage systems, are necessary to establish a balance between electricity supply and demand. Various solutions can be adopted to maintain the security of supply and improve the flexibility of the future power system, such as improving the efficiency of technical processes in areas such as thermal power plants, cement and metallurgy industries, the use of advanced thermochemical conversion technologies such as gasification, the expansion of high-voltage transmission infrastructure, the promoting of renewable energy sources, the employment of large-scale energy storage systems, and the use of highly flexible power generation units with carbon capture and utilisation, such as combined-cycle power plants. Given this background, this Special Issue contains fundamental scientific studies on the latest research progress in the development and optimisation of gasification processes, renewable energy source “solar energy”, synthesis of new hybrid nanocomposites and nanofluids, carbon capture, and energy storage systems. Special Issue Editors Falah Alobaid Jochen Ströhle

Technology: general issues --- History of engineering & technology --- gasification --- sewage sludge --- syngas --- sulfur --- tar --- ammonia --- biofuel --- synthesis stoichiometry --- operation parameters --- nutrient recovery --- circular economy --- plastics --- waste blends --- thermogravimetric analysis --- pyrolysis --- thermo-economic --- aqua-ammonia --- lithium bromide-water --- absorption systems --- design --- solar collectors --- steam gasification --- biomass --- bubbling fluidized bed --- Aspen Plus simulation --- hydrogen production --- devolatilization --- biomass pretreatments --- wheat straw pellets --- gas yield --- carbon conversion --- fluidized bed --- dynamic simulation --- parabolic trough power plant --- control circuit --- solar field --- thermal storage system --- chemical looping gasification --- carbon dioxide capture --- oxygen carriers --- APROS --- operation strategy --- comparative study --- CO2 capture --- CO2 absorption --- liquid holdup --- pressure drop --- clear liquid height --- froth height --- experimental study --- stand-alone system --- molten salt --- combined cycle plants --- MgO-DW nanofluid --- two-step technique --- co-precipitation --- XRD and SEM --- thermal conductivity --- dynamic viscosity --- nanofluid --- absorption --- improvement --- solvent --- shape memory alloys --- Ni-Ti-Ag --- casting --- VAR furnace --- microstructure --- XRD --- mechanical properties --- hybrid nano-composites --- powder metallurgy --- Fe2O3 --- Ag --- wear --- heat transfer enhancement --- binary basket-twisted strip inserts --- friction characteristics --- thermal performance characteristics --- turbulent flow --- gasification --- sewage sludge --- syngas --- sulfur --- tar --- ammonia --- biofuel --- synthesis stoichiometry --- operation parameters --- nutrient recovery --- circular economy --- plastics --- waste blends --- thermogravimetric analysis --- pyrolysis --- thermo-economic --- aqua-ammonia --- lithium bromide-water --- absorption systems --- design --- solar collectors --- steam gasification --- biomass --- bubbling fluidized bed --- Aspen Plus simulation --- hydrogen production --- devolatilization --- biomass pretreatments --- wheat straw pellets --- gas yield --- carbon conversion --- fluidized bed --- dynamic simulation --- parabolic trough power plant --- control circuit --- solar field --- thermal storage system --- chemical looping gasification --- carbon dioxide capture --- oxygen carriers --- APROS --- operation strategy --- comparative study --- CO2 capture --- CO2 absorption --- liquid holdup --- pressure drop --- clear liquid height --- froth height --- experimental study --- stand-alone system --- molten salt --- combined cycle plants --- MgO-DW nanofluid --- two-step technique --- co-precipitation --- XRD and SEM --- thermal conductivity --- dynamic viscosity --- nanofluid --- absorption --- improvement --- solvent --- shape memory alloys --- Ni-Ti-Ag --- casting --- VAR furnace --- microstructure --- XRD --- mechanical properties --- hybrid nano-composites --- powder metallurgy --- Fe2O3 --- Ag --- wear --- heat transfer enhancement --- binary basket-twisted strip inserts --- friction characteristics --- thermal performance characteristics --- turbulent flow

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The increasing share of renewable energy sources is drawing attention to a critical challenge. The availability of wind turbines and photovoltaic solar cells is limited and difficult to predict. They usually provide a fluctuating feed-in to the grid, so energy reserves, e.g., conventional thermal power plants or energy storage systems, are necessary to establish a balance between electricity supply and demand. Various solutions can be adopted to maintain the security of supply and improve the flexibility of the future power system, such as improving the efficiency of technical processes in areas such as thermal power plants, cement and metallurgy industries, the use of advanced thermochemical conversion technologies such as gasification, the expansion of high-voltage transmission infrastructure, the promoting of renewable energy sources, the employment of large-scale energy storage systems, and the use of highly flexible power generation units with carbon capture and utilisation, such as combined-cycle power plants. Given this background, this Special Issue contains fundamental scientific studies on the latest research progress in the development and optimisation of gasification processes, renewable energy source “solar energy”, synthesis of new hybrid nanocomposites and nanofluids, carbon capture, and energy storage systems. Special Issue Editors Falah Alobaid Jochen Ströhle

Technology: general issues --- History of engineering & technology --- gasification --- sewage sludge --- syngas --- sulfur --- tar --- ammonia --- biofuel --- synthesis stoichiometry --- operation parameters --- nutrient recovery --- circular economy --- plastics --- waste blends --- thermogravimetric analysis --- pyrolysis --- thermo-economic --- aqua-ammonia --- lithium bromide-water --- absorption systems --- design --- solar collectors --- steam gasification --- biomass --- bubbling fluidized bed --- Aspen Plus simulation --- hydrogen production --- devolatilization --- biomass pretreatments --- wheat straw pellets --- gas yield --- carbon conversion --- fluidized bed --- dynamic simulation --- parabolic trough power plant --- control circuit --- solar field --- thermal storage system --- chemical looping gasification --- carbon dioxide capture --- oxygen carriers --- APROS --- operation strategy --- comparative study --- CO2 capture --- CO2 absorption --- liquid holdup --- pressure drop --- clear liquid height --- froth height --- experimental study --- stand-alone system --- molten salt --- combined cycle plants --- MgO-DW nanofluid --- two-step technique --- co-precipitation --- XRD and SEM --- thermal conductivity --- dynamic viscosity --- nanofluid --- absorption --- improvement --- solvent --- shape memory alloys --- Ni-Ti-Ag --- casting --- VAR furnace --- microstructure --- XRD --- mechanical properties --- hybrid nano-composites --- powder metallurgy --- Fe2O3 --- Ag --- wear --- heat transfer enhancement --- binary basket–twisted strip inserts --- friction characteristics --- thermal performance characteristics --- turbulent flow --- n/a --- binary basket-twisted strip inserts

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Preface Several countries have recently realized that the present paradigm of development in environmental and energy fields is unsustainable. As global awareness of environmental issues grows, governments worldwide are promoting policies which aim to limit the harmful effects of human development on the environment. In particular, these novel policies seek to address the rapid increase of the global temperature (especially in the polar regions) as well as to manage human plastic waste accumulating in seas. To resolve these issues will require a number of actions to be implemented; unfortunately, the recent COP 24 Conference was unsuccessful in establishing a global agreement to achieve these actions. In order for the upcoming 2020 COP 26 Conference to be successful in creating such an agreement, the scientific community must support the policymakers’ efforts. Within this framework, it is necessary to show the efforts of countries worldwide as they try to negotiate an agreement to increase the energy efficiency and reduce greenhouse gas (GHG) emissions. In addition, the research reports generated can provide quantitative measures of the necessary actions to be implemented in order to address sustainable and efficient energy use. Among other topics, the papers presented in this issue investigate innovations in novel efficient and environmentally friendly technologies mainly based on renewable energy sources. The study also highlights the different sectors involved in this task, such as energy conversion systems, urban areas, mobility, sustainability, water management, social aspects, etc. In this field, the Sustainable Development of Energy, Water and Environment Systems (SDEWES) conference provides the foremost forum for discussion on these topics. The 13th Sustainable Development of Energy, Water and Environment Systems Conference was held in Palermo, Italy in 2018. This Special Issue of Energies, precisely dedicated to 13th SDEWES Conference, features papers in three main topics: Energy policy and energy efficiency in urban areas, energy efficiency in industry, biomass and other miscellaneous energy systems.

Research & information: general --- sewage sludge --- torrefaction --- steam gasification --- tars --- water recycling --- wastewater treatment --- environmental and energy performance --- life cycle assessment (LCA) --- crude oil refining --- high-efficiency cogeneration --- primary energy saving --- electricity from cogeneration --- paper industry --- GateCycle --- CO2 emissions avoided --- sinter --- porous media --- local thermal non-equilibrium --- exergy destruction minimization --- BP neural network --- genetic algorithm --- urban simulation --- photovoltaics --- heat pump --- co-generation --- heat demand analysis --- low-temperature district heating --- district cooling --- energy storage --- linear programming --- tropical climate --- integrated energy modelling --- energy system optimization --- temporal resolution --- energy planning --- variable renewable energy sources --- Discrete Element Model --- gas–solid flow --- heat transfer enhancement --- entransy dissipation --- numerical simulation --- optimization --- control strategy --- peak-shaving --- mCHP --- Stirling engine --- renewable energy --- energy consumption profile --- heavy truck traffic --- road transport --- liquefied natural gas (LNG) --- alternative fuels --- hydrogen --- hydrogen pipelines --- hydrogen transmission --- pipeline transmission --- pressure drop --- pinch analysis --- heat exchanger network (HEN) design --- plus-minus principle --- supply temperature --- disturbances --- maximum energy recovery --- bypass --- economic evaluation --- two-phase flow regime --- airlift pump --- void fraction --- image analysis --- efficiency optimization --- energy microgrids --- energy system integration --- smart building clusters --- hybrid renewable systems --- heat pumps --- district heating --- cogeneration --- natural gas --- natural gas regulation station --- turboexpander --- pressure regulator --- energy recovery --- energy conversion --- energy system analysis --- flue gas heat recovery --- exergy --- coefficient of performance --- thermoelectric generator --- organic rankine cycle --- district energy systems --- anaerobic digestion and composting --- circular economy --- energy return on investment --- hydrogen bioenergy --- food waste hierarchy --- biofuel --- CI engine --- combustion --- emission --- greenhouse gas --- jatropha biodiesel --- nanoparticle --- performance --- Covenant of Mayors --- indirect emission allocation --- local energy generation --- geoenergetics --- ground source heat pumps --- borehole heat exchangers --- thermal response test --- borehole thermal energy storage --- bioelectricity --- carbon capture --- negative emissions --- sugarcane --- biomass --- climate change --- wave energy converters --- Power Take Off --- EP4 --- latching --- wave flume --- floating --- moorings --- renewable electricity generation systems --- SDEWES 2018 --- chicken manure --- proximate and ultimate analysis --- energy potential --- sustainable smart city --- mathematical optimisation --- urban design --- bilevel modelling --- location theory --- traffic assignment --- infrastructure expansion --- building location --- sustainable development --- energy efficiency in industry --- sewage sludge --- torrefaction --- steam gasification --- tars --- water recycling --- wastewater treatment --- environmental and energy performance --- life cycle assessment (LCA) --- crude oil refining --- high-efficiency cogeneration --- primary energy saving --- electricity from cogeneration --- paper industry --- GateCycle --- CO2 emissions avoided --- sinter --- porous media --- local thermal non-equilibrium --- exergy destruction minimization --- BP neural network --- genetic algorithm --- urban simulation --- photovoltaics --- heat pump --- co-generation --- heat demand analysis --- low-temperature district heating --- district cooling --- energy storage --- linear programming --- tropical climate --- integrated energy modelling --- energy system optimization --- temporal resolution --- energy planning --- variable renewable energy sources --- Discrete Element Model --- gas–solid flow --- heat transfer enhancement --- entransy dissipation --- numerical simulation --- optimization --- control strategy --- peak-shaving --- mCHP --- Stirling engine --- renewable energy --- energy consumption profile --- heavy truck traffic --- road transport --- liquefied natural gas (LNG) --- alternative fuels --- hydrogen --- hydrogen pipelines --- hydrogen transmission --- pipeline transmission --- pressure drop --- pinch analysis --- heat exchanger network (HEN) design --- plus-minus principle --- supply temperature --- disturbances --- maximum energy recovery --- bypass --- economic evaluation --- two-phase flow regime --- airlift pump --- void fraction --- image analysis --- efficiency optimization --- energy microgrids --- energy system integration --- smart building clusters --- hybrid renewable systems --- heat pumps --- district heating --- cogeneration --- natural gas --- natural gas regulation station --- turboexpander --- pressure regulator --- energy recovery --- energy conversion --- energy system analysis --- flue gas heat recovery --- exergy --- coefficient of performance --- thermoelectric generator --- organic rankine cycle --- district energy systems --- anaerobic digestion and composting --- circular economy --- energy return on investment --- hydrogen bioenergy --- food waste hierarchy --- biofuel --- CI engine --- combustion --- emission --- greenhouse gas --- jatropha biodiesel --- nanoparticle --- performance --- Covenant of Mayors --- indirect emission allocation --- local energy generation --- geoenergetics --- ground source heat pumps --- borehole heat exchangers --- thermal response test --- borehole thermal energy storage --- bioelectricity --- carbon capture --- negative emissions --- sugarcane --- biomass --- climate change --- wave energy converters --- Power Take Off --- EP4 --- latching --- wave flume --- floating --- moorings --- renewable electricity generation systems --- SDEWES 2018 --- chicken manure --- proximate and ultimate analysis --- energy potential --- sustainable smart city --- mathematical optimisation --- urban design --- bilevel modelling --- location theory --- traffic assignment --- infrastructure expansion --- building location --- sustainable development --- energy efficiency in industry

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Preface Several countries have recently realized that the present paradigm of development in environmental and energy fields is unsustainable. As global awareness of environmental issues grows, governments worldwide are promoting policies which aim to limit the harmful effects of human development on the environment. In particular, these novel policies seek to address the rapid increase of the global temperature (especially in the polar regions) as well as to manage human plastic waste accumulating in seas. To resolve these issues will require a number of actions to be implemented; unfortunately, the recent COP 24 Conference was unsuccessful in establishing a global agreement to achieve these actions. In order for the upcoming 2020 COP 26 Conference to be successful in creating such an agreement, the scientific community must support the policymakers’ efforts. Within this framework, it is necessary to show the efforts of countries worldwide as they try to negotiate an agreement to increase the energy efficiency and reduce greenhouse gas (GHG) emissions. In addition, the research reports generated can provide quantitative measures of the necessary actions to be implemented in order to address sustainable and efficient energy use. Among other topics, the papers presented in this issue investigate innovations in novel efficient and environmentally friendly technologies mainly based on renewable energy sources. The study also highlights the different sectors involved in this task, such as energy conversion systems, urban areas, mobility, sustainability, water management, social aspects, etc. In this field, the Sustainable Development of Energy, Water and Environment Systems (SDEWES) conference provides the foremost forum for discussion on these topics. The 13th Sustainable Development of Energy, Water and Environment Systems Conference was held in Palermo, Italy in 2018. This Special Issue of Energies, precisely dedicated to 13th SDEWES Conference, features papers in three main topics: Energy policy and energy efficiency in urban areas, energy efficiency in industry, biomass and other miscellaneous energy systems.

Research & information: general --- sewage sludge --- torrefaction --- steam gasification --- tars --- water recycling --- wastewater treatment --- environmental and energy performance --- life cycle assessment (LCA) --- crude oil refining --- high-efficiency cogeneration --- primary energy saving --- electricity from cogeneration --- paper industry --- GateCycle --- CO2 emissions avoided --- sinter --- porous media --- local thermal non-equilibrium --- exergy destruction minimization --- BP neural network --- genetic algorithm --- urban simulation --- photovoltaics --- heat pump --- co-generation --- heat demand analysis --- low-temperature district heating --- district cooling --- energy storage --- linear programming --- tropical climate --- integrated energy modelling --- energy system optimization --- temporal resolution --- energy planning --- variable renewable energy sources --- Discrete Element Model --- gas–solid flow --- heat transfer enhancement --- entransy dissipation --- numerical simulation --- optimization --- control strategy --- peak-shaving --- mCHP --- Stirling engine --- renewable energy --- energy consumption profile --- heavy truck traffic --- road transport --- liquefied natural gas (LNG) --- alternative fuels --- hydrogen --- hydrogen pipelines --- hydrogen transmission --- pipeline transmission --- pressure drop --- pinch analysis --- heat exchanger network (HEN) design --- plus-minus principle --- supply temperature --- disturbances --- maximum energy recovery --- bypass --- economic evaluation --- two-phase flow regime --- airlift pump --- void fraction --- image analysis --- efficiency optimization --- energy microgrids --- energy system integration --- smart building clusters --- hybrid renewable systems --- heat pumps --- district heating --- cogeneration --- natural gas --- natural gas regulation station --- turboexpander --- pressure regulator --- energy recovery --- energy conversion --- energy system analysis --- flue gas heat recovery --- exergy --- coefficient of performance --- thermoelectric generator --- organic rankine cycle --- district energy systems --- anaerobic digestion and composting --- circular economy --- energy return on investment --- hydrogen bioenergy --- food waste hierarchy --- biofuel --- CI engine --- combustion --- emission --- greenhouse gas --- jatropha biodiesel --- nanoparticle --- performance --- Covenant of Mayors --- indirect emission allocation --- local energy generation --- geoenergetics --- ground source heat pumps --- borehole heat exchangers --- thermal response test --- borehole thermal energy storage --- bioelectricity --- carbon capture --- negative emissions --- sugarcane --- biomass --- climate change --- wave energy converters --- Power Take Off --- EP4 --- latching --- wave flume --- floating --- moorings --- renewable electricity generation systems --- SDEWES 2018 --- chicken manure --- proximate and ultimate analysis --- energy potential --- sustainable smart city --- mathematical optimisation --- urban design --- bilevel modelling --- location theory --- traffic assignment --- infrastructure expansion --- building location --- sustainable development --- energy efficiency in industry

Choose an application

• Reference Manager
• EndNote
• RefWorks (Direct export to RefWorks)

Preface Several countries have recently realized that the present paradigm of development in environmental and energy fields is unsustainable. As global awareness of environmental issues grows, governments worldwide are promoting policies which aim to limit the harmful effects of human development on the environment. In particular, these novel policies seek to address the rapid increase of the global temperature (especially in the polar regions) as well as to manage human plastic waste accumulating in seas. To resolve these issues will require a number of actions to be implemented; unfortunately, the recent COP 24 Conference was unsuccessful in establishing a global agreement to achieve these actions. In order for the upcoming 2020 COP 26 Conference to be successful in creating such an agreement, the scientific community must support the policymakers’ efforts. Within this framework, it is necessary to show the efforts of countries worldwide as they try to negotiate an agreement to increase the energy efficiency and reduce greenhouse gas (GHG) emissions. In addition, the research reports generated can provide quantitative measures of the necessary actions to be implemented in order to address sustainable and efficient energy use. Among other topics, the papers presented in this issue investigate innovations in novel efficient and environmentally friendly technologies mainly based on renewable energy sources. The study also highlights the different sectors involved in this task, such as energy conversion systems, urban areas, mobility, sustainability, water management, social aspects, etc. In this field, the Sustainable Development of Energy, Water and Environment Systems (SDEWES) conference provides the foremost forum for discussion on these topics. The 13th Sustainable Development of Energy, Water and Environment Systems Conference was held in Palermo, Italy in 2018. This Special Issue of Energies, precisely dedicated to 13th SDEWES Conference, features papers in three main topics: Energy policy and energy efficiency in urban areas, energy efficiency in industry, biomass and other miscellaneous energy systems.

sewage sludge --- torrefaction --- steam gasification --- tars --- water recycling --- wastewater treatment --- environmental and energy performance --- life cycle assessment (LCA) --- crude oil refining --- high-efficiency cogeneration --- primary energy saving --- electricity from cogeneration --- paper industry --- GateCycle --- CO2 emissions avoided --- sinter --- porous media --- local thermal non-equilibrium --- exergy destruction minimization --- BP neural network --- genetic algorithm --- urban simulation --- photovoltaics --- heat pump --- co-generation --- heat demand analysis --- low-temperature district heating --- district cooling --- energy storage --- linear programming --- tropical climate --- integrated energy modelling --- energy system optimization --- temporal resolution --- energy planning --- variable renewable energy sources --- Discrete Element Model --- gas–solid flow --- heat transfer enhancement --- entransy dissipation --- numerical simulation --- optimization --- control strategy --- peak-shaving --- mCHP --- Stirling engine --- renewable energy --- energy consumption profile --- heavy truck traffic --- road transport --- liquefied natural gas (LNG) --- alternative fuels --- hydrogen --- hydrogen pipelines --- hydrogen transmission --- pipeline transmission --- pressure drop --- pinch analysis --- heat exchanger network (HEN) design --- plus-minus principle --- supply temperature --- disturbances --- maximum energy recovery --- bypass --- economic evaluation --- two-phase flow regime --- airlift pump --- void fraction --- image analysis --- efficiency optimization --- energy microgrids --- energy system integration --- smart building clusters --- hybrid renewable systems --- heat pumps --- district heating --- cogeneration --- natural gas --- natural gas regulation station --- turboexpander --- pressure regulator --- energy recovery --- energy conversion --- energy system analysis --- flue gas heat recovery --- exergy --- coefficient of performance --- thermoelectric generator --- organic rankine cycle --- district energy systems --- anaerobic digestion and composting --- circular economy --- energy return on investment --- hydrogen bioenergy --- food waste hierarchy --- biofuel --- CI engine --- combustion --- emission --- greenhouse gas --- jatropha biodiesel --- nanoparticle --- performance --- Covenant of Mayors --- indirect emission allocation --- local energy generation --- geoenergetics --- ground source heat pumps --- borehole heat exchangers --- thermal response test --- borehole thermal energy storage --- bioelectricity --- carbon capture --- negative emissions --- sugarcane --- biomass --- climate change --- wave energy converters --- Power Take Off --- EP4 --- latching --- wave flume --- floating --- moorings --- renewable electricity generation systems --- SDEWES 2018 --- chicken manure --- proximate and ultimate analysis --- energy potential --- sustainable smart city --- mathematical optimisation --- urban design --- bilevel modelling --- location theory --- traffic assignment --- infrastructure expansion --- building location --- sustainable development --- energy efficiency in industry