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This reprint contains contributions focusing on recent developments in the design, synthesis, and characterization of nanocatalysts intended for applications in environmental protection and low carbon footprint power generation processes thanks to the overall effort of scientists and researchers for a cleaner and more sustainable future. New synthetic approaches to the production and in-depth characterization of innovative nanostructured composites and hybrid materials with well-controlled textural and surface chemistry properties that give performance advantages in a variety of important environmental and energy applications such as CO2 utilization/recycling, hydrogen and syngas production, biosensing, and biocatalysis as well as in ways to obtain useful materials from waste are included, among others. This reprint is the result of one of the cutting-edge Special Issues in the field of Nanoscience and Nanotechnology organized by Nanomaterials to celebrate its 10th anniversary.
Technology: general issues --- History of engineering & technology --- nanocarbon --- rocket fuels --- furfuryl alcohol --- fuming nitric acid --- waste --- hypergolics --- carbon materials --- CO2 methanation --- bimetallic catalysts --- Ni-based catalysts --- promoters --- alloy nanoparticles --- bimetallic synergy --- hybrid nanoflowers --- biosynthesis --- influencing factors --- biosensing cues --- bio-catalysis --- propane --- steam reforming --- hydrogen production --- perovskite --- ruthenium --- rhodium --- La2O2CO3 --- stability --- propane steam reforming --- H2 production --- Ni --- TiO2 --- CeO2 --- YSZ --- ZrO2 --- Al2O3 --- drifts --- HDO reaction --- transition metal phosphides --- structure --- acidity --- characterization --- nanocarbon --- rocket fuels --- furfuryl alcohol --- fuming nitric acid --- waste --- hypergolics --- carbon materials --- CO2 methanation --- bimetallic catalysts --- Ni-based catalysts --- promoters --- alloy nanoparticles --- bimetallic synergy --- hybrid nanoflowers --- biosynthesis --- influencing factors --- biosensing cues --- bio-catalysis --- propane --- steam reforming --- hydrogen production --- perovskite --- ruthenium --- rhodium --- La2O2CO3 --- stability --- propane steam reforming --- H2 production --- Ni --- TiO2 --- CeO2 --- YSZ --- ZrO2 --- Al2O3 --- drifts --- HDO reaction --- transition metal phosphides --- structure --- acidity --- characterization
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This reprint contains contributions focusing on recent developments in the design, synthesis, and characterization of nanocatalysts intended for applications in environmental protection and low carbon footprint power generation processes thanks to the overall effort of scientists and researchers for a cleaner and more sustainable future. New synthetic approaches to the production and in-depth characterization of innovative nanostructured composites and hybrid materials with well-controlled textural and surface chemistry properties that give performance advantages in a variety of important environmental and energy applications such as CO2 utilization/recycling, hydrogen and syngas production, biosensing, and biocatalysis as well as in ways to obtain useful materials from waste are included, among others. This reprint is the result of one of the cutting-edge Special Issues in the field of Nanoscience and Nanotechnology organized by Nanomaterials to celebrate its 10th anniversary.
nanocarbon --- rocket fuels --- furfuryl alcohol --- fuming nitric acid --- waste --- hypergolics --- carbon materials --- CO2 methanation --- bimetallic catalysts --- Ni-based catalysts --- promoters --- alloy nanoparticles --- bimetallic synergy --- hybrid nanoflowers --- biosynthesis --- influencing factors --- biosensing cues --- bio-catalysis --- propane --- steam reforming --- hydrogen production --- perovskite --- ruthenium --- rhodium --- La2O2CO3 --- stability --- propane steam reforming --- H2 production --- Ni --- TiO2 --- CeO2 --- YSZ --- ZrO2 --- Al2O3 --- drifts --- n/a --- HDO reaction --- transition metal phosphides --- structure --- acidity --- characterization
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Research on alternative energy harvesting technologies, conversion and storage systems with high efficiency, cost-effective and environmentally friendly systems, such as fuel cells, rechargeable metal-air batteries, unitized regenerative cells, and water electrolyzers has been stimulated by the global demand on energy. The conversion between oxygen and water plays a key step in the development of oxygen electrodes: oxygen reduction reaction (ORR) and oxygen evolution reaction (OER), processes activated mostly by precious metals, like platinum. Their scarcity, their prohibitive cost, and declining activity greatly hamper large-scale applications. This issue reports on novel non-precious metal electrocatalysts based on the innovative design in chemical compositions, structure, and morphology, and supports for the oxygen reaction.
n/a --- nitrogen sulfur co-doped carbon nanofibers --- layered double hydroxide --- three-dimensional --- water splitting --- non-precious metal --- metal–organic framework --- Co-bpdc/MWCNTs composites --- alkaline --- nanocarbon --- Fe-N-C catalyst --- cobalt-based electrocatalysts --- 2 --- non-precious metal catalyst --- 3 --- silver bismuthate --- 4 --- graphene-carbon nanotube aerogel --- 6-tri(2-pyridyl)-1 --- Co-bpdc --- binary nitrogen precursors --- g-C3N4 --- oxygen evolution reaction --- mesoporous NiO --- electrocatalyst --- nucleophilic attack --- 5-triazine --- cobalt and nitrogen co-doped --- fuel cells --- metal-free catalysts --- oxygen reduction reaction --- hydrogen evolution reaction --- heteroatom doping --- electrophilic Ni3+ and O? --- bacterial cellulose/poly(methylene blue) hybrids --- active site --- manganese dioxide --- electrocatalysis --- metal-organic framework
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Natural polysaccharides, such as cellulose and chitin, possess unique hierarchical nanoarchitectures that can never be artificially reconstructed, and their nano-organized structures are involved in the hidden materials functions with great potential. Pioneering the emerging functions of nano-organized polysaccharides will break through to achieve the Sustainable Development Goals.
Technology: general issues --- chitin nanofiber --- deacetylated chitin --- nanopaper --- thermal diffusivity --- powder electroluminescent device --- cellulose nanofiber --- paper electronic device --- paper-based light-emitting device --- dehydrogenative polymer --- enzymatic radical coupling --- lignin --- nanocellulose --- microsphere --- TEMPO-oxidized cellulose nanofiber --- chitosan−ZnCl2 complex --- crystal structure --- X-ray fiber diffraction --- nanofibrillated bacterial cellulose --- bacterial cellulose --- peritoneally disseminated gastric cancer --- doxorubicin --- intraperitoneal chemotherapy --- hemicellulose --- xylan --- nanocrystal --- Pickering emulsion --- cellulose derivatives --- cellulose nanocrystal --- cholesteric liquid crystal --- functional materials --- material form --- cellulose nanofibers --- nanocomposite --- xerogel --- flame-retardant --- polydopamine doping --- pyrolysis --- 3D porous nanocarbon --- supercapacitor --- surface carboxylation --- surface deacetylation --- cell culture scaffold --- skin repair --- wound healing --- biomedical applications --- functional nanocomposite --- aqueous process --- sol–gel --- hydrogels --- aerogels --- freeze-drying --- cryogels --- n/a --- sol-gel
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Natural polysaccharides, such as cellulose and chitin, possess unique hierarchical nanoarchitectures that can never be artificially reconstructed, and their nano-organized structures are involved in the hidden materials functions with great potential. Pioneering the emerging functions of nano-organized polysaccharides will break through to achieve the Sustainable Development Goals.
chitin nanofiber --- deacetylated chitin --- nanopaper --- thermal diffusivity --- powder electroluminescent device --- cellulose nanofiber --- paper electronic device --- paper-based light-emitting device --- dehydrogenative polymer --- enzymatic radical coupling --- lignin --- nanocellulose --- microsphere --- TEMPO-oxidized cellulose nanofiber --- chitosan−ZnCl2 complex --- crystal structure --- X-ray fiber diffraction --- nanofibrillated bacterial cellulose --- bacterial cellulose --- peritoneally disseminated gastric cancer --- doxorubicin --- intraperitoneal chemotherapy --- hemicellulose --- xylan --- nanocrystal --- Pickering emulsion --- cellulose derivatives --- cellulose nanocrystal --- cholesteric liquid crystal --- functional materials --- material form --- cellulose nanofibers --- nanocomposite --- xerogel --- flame-retardant --- polydopamine doping --- pyrolysis --- 3D porous nanocarbon --- supercapacitor --- surface carboxylation --- surface deacetylation --- cell culture scaffold --- skin repair --- wound healing --- biomedical applications --- functional nanocomposite --- aqueous process --- sol–gel --- hydrogels --- aerogels --- freeze-drying --- cryogels --- n/a --- sol-gel
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Natural polysaccharides, such as cellulose and chitin, possess unique hierarchical nanoarchitectures that can never be artificially reconstructed, and their nano-organized structures are involved in the hidden materials functions with great potential. Pioneering the emerging functions of nano-organized polysaccharides will break through to achieve the Sustainable Development Goals.
Technology: general issues --- chitin nanofiber --- deacetylated chitin --- nanopaper --- thermal diffusivity --- powder electroluminescent device --- cellulose nanofiber --- paper electronic device --- paper-based light-emitting device --- dehydrogenative polymer --- enzymatic radical coupling --- lignin --- nanocellulose --- microsphere --- TEMPO-oxidized cellulose nanofiber --- chitosan−ZnCl2 complex --- crystal structure --- X-ray fiber diffraction --- nanofibrillated bacterial cellulose --- bacterial cellulose --- peritoneally disseminated gastric cancer --- doxorubicin --- intraperitoneal chemotherapy --- hemicellulose --- xylan --- nanocrystal --- Pickering emulsion --- cellulose derivatives --- cellulose nanocrystal --- cholesteric liquid crystal --- functional materials --- material form --- cellulose nanofibers --- nanocomposite --- xerogel --- flame-retardant --- polydopamine doping --- pyrolysis --- 3D porous nanocarbon --- supercapacitor --- surface carboxylation --- surface deacetylation --- cell culture scaffold --- skin repair --- wound healing --- biomedical applications --- functional nanocomposite --- aqueous process --- sol-gel --- hydrogels --- aerogels --- freeze-drying --- cryogels --- chitin nanofiber --- deacetylated chitin --- nanopaper --- thermal diffusivity --- powder electroluminescent device --- cellulose nanofiber --- paper electronic device --- paper-based light-emitting device --- dehydrogenative polymer --- enzymatic radical coupling --- lignin --- nanocellulose --- microsphere --- TEMPO-oxidized cellulose nanofiber --- chitosan−ZnCl2 complex --- crystal structure --- X-ray fiber diffraction --- nanofibrillated bacterial cellulose --- bacterial cellulose --- peritoneally disseminated gastric cancer --- doxorubicin --- intraperitoneal chemotherapy --- hemicellulose --- xylan --- nanocrystal --- Pickering emulsion --- cellulose derivatives --- cellulose nanocrystal --- cholesteric liquid crystal --- functional materials --- material form --- cellulose nanofibers --- nanocomposite --- xerogel --- flame-retardant --- polydopamine doping --- pyrolysis --- 3D porous nanocarbon --- supercapacitor --- surface carboxylation --- surface deacetylation --- cell culture scaffold --- skin repair --- wound healing --- biomedical applications --- functional nanocomposite --- aqueous process --- sol-gel --- hydrogels --- aerogels --- freeze-drying --- cryogels
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This Special Issue on “New Trends in Catalysis for Sustainable CO2 Conversion”, released in the Catalysts open access journal, shows new research about the development of catalysts and catalytic routes for CO2 valorization, in addition to the optimization of the reaction conditions for the process. This issue includes ten articles and three reviews about different innovative processes for CO2 conversion.Carbon capture and storage (CCS) is a physical process consisting of the separation the CO2 (emitted by industry and the combustion processes for energy generation) and its transportation to geological storage isolates it from the atmosphere in the long term. However, the most promising routes for CO2 mitigation are those pursuing its catalytic valorization. By applying specific catalysts and suitable operating conditions, CO2 molecules react with other components to form longer chains (i.e., hydrocarbons). Accordingly, effort should be made to catalytically valorize CO2 (alone or co-fed with syngas) as an alternative way of reducing greenhouse gas emissions and obtaining high-value fuels and chemicals. Carbon capture and utilization (CCU) is a developing field with significant demand for research in the following aspects:The development of new catalysts, catalytic routes, and technologies for CO2 conversion;The study of new processes for obtaining fuels and chemicals from CO2;Optimization of the catalysts and the reaction conditions for these processes;Further steps in advanced processes using CO2-rich feeds (H2+CO2 or CO2 mixed with syngas), increasing product yields.
Technology: general issues --- History of engineering & technology --- Environmental science, engineering & technology --- carbon dioxide --- hydrogenation --- catalyst --- gas hourly space velocity (GHSV) --- fixed-bed reactor --- CO2–H2O photo-co-processing --- VIS-light driven reactions --- CO2 reduction --- photocatalysts properties --- soft oxidant --- oxidation --- dehydrogenation --- nano-catalyst --- electrochemical reduction of CO2 --- ionic liquids --- propylene carbonate --- imidazolium cation --- greenhouse gas --- climate change --- CO2 decomposition --- CO2 utilization --- SrFeO3−x --- CO2 methanation --- Ni-xSi/ZrO2 --- Si promotion --- oxygen vacancies --- CO2 hydrogenation --- light olefins --- catalyst deactivation --- CO2-Fischer-Tropsch (CO2-FT) --- iron-based catalysts --- methanol to olefins --- bifunctional composite catalysts --- SAPO-34 --- photocatalysis --- carbon-TiO2 --- nanocarbon --- carbon allotropes --- carbon nanotubes --- carbon nanofibers --- carbon nano-onions --- carbon dioxide electrolysis --- molten carbonate --- greenhouse gas mitigation --- cycloaddition --- ionic liquid --- deep eutectic solvents --- onium salt --- homogeneous catalysts --- heterogeneous catalysis --- CO2 conversion --- methane --- hydrocarbons --- iron oxide --- copper nanoparticles --- biomass --- Fischer–Tropsch synthesis --- carbon-supported iron catalyst --- gasoline --- diesel --- n/a --- CO2-H2O photo-co-processing --- Fischer-Tropsch synthesis
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This Special Issue delivered 16 scientific papers, with the aim of exploring the application of carbon capture and storage technologies for mitigating the effects of climate change. Special emphasis has been placed on mineral carbonation techniques that combine innovative applications to emerging problems and needs. The aim of this Special Issue is to contribute to improved knowledge of the ongoing research regarding climate change and CCS technological applications, focusing on carbon capture and storage practices. Climate change is a global issue that is interrelated with the energy and petroleum industry.
Research & information: general --- Earth sciences, geography, environment, planning --- CO2 storage --- depleted gas field --- soil-gas monitoring --- baseline --- injection --- post-injection --- photocatalytic concrete pavement --- NO reduction --- SEM analysis --- carbon emissions --- emission coefficient --- agricultural land --- agricultural inputs --- agricultural policies --- Qinghai province --- carbon nanospheres --- nanocarbon spheres --- carbon dioxide uptake --- EDA --- CO2 sequestration --- physical simulation --- Numerical modelling --- dissolution --- precipitation --- kinetics --- solid-gas reactions --- carbonate looping --- calcium looping --- thermochemical energy storage --- carbon capture and storage --- CO2 capture --- Monte Carlo --- machine learning --- metal-organic framework --- adsorption --- diffusion --- climate change --- carbon emission --- carbon-capturing concrete --- carbon capture activator --- carbon reduction --- CO2 ocean geological storage --- multi-scale ocean model --- hydrostatic approximation --- Eulerian-Lagrangian two-phase model --- environmental impact --- calcium carbonate --- molecular dynamics --- carbon utilization --- gelation --- slag valorization --- metallurgical dusts --- slag cement --- CO2 emissions --- EAF slag --- zero waste --- utilization and storage --- mafic plutonic rocks --- mineral carbonation --- screening and ranking --- Sines massif --- Portugal --- CO2 adsorption --- nanopore --- coal structure deformation --- tectonically deformed coal --- supercritical CO2 --- experimental test --- CO2 capture process --- solvent-based absorption/desorption --- off-design operation --- phase-change solvents --- sensitivity analysis --- CCS --- carbonated water injection --- CO2-EOR --- pore network modelling --- relative permeability --- CO2 storage --- depleted gas field --- soil-gas monitoring --- baseline --- injection --- post-injection --- photocatalytic concrete pavement --- NO reduction --- SEM analysis --- carbon emissions --- emission coefficient --- agricultural land --- agricultural inputs --- agricultural policies --- Qinghai province --- carbon nanospheres --- nanocarbon spheres --- carbon dioxide uptake --- EDA --- CO2 sequestration --- physical simulation --- Numerical modelling --- dissolution --- precipitation --- kinetics --- solid-gas reactions --- carbonate looping --- calcium looping --- thermochemical energy storage --- carbon capture and storage --- CO2 capture --- Monte Carlo --- machine learning --- metal-organic framework --- adsorption --- diffusion --- climate change --- carbon emission --- carbon-capturing concrete --- carbon capture activator --- carbon reduction --- CO2 ocean geological storage --- multi-scale ocean model --- hydrostatic approximation --- Eulerian-Lagrangian two-phase model --- environmental impact --- calcium carbonate --- molecular dynamics --- carbon utilization --- gelation --- slag valorization --- metallurgical dusts --- slag cement --- CO2 emissions --- EAF slag --- zero waste --- utilization and storage --- mafic plutonic rocks --- mineral carbonation --- screening and ranking --- Sines massif --- Portugal --- CO2 adsorption --- nanopore --- coal structure deformation --- tectonically deformed coal --- supercritical CO2 --- experimental test --- CO2 capture process --- solvent-based absorption/desorption --- off-design operation --- phase-change solvents --- sensitivity analysis --- CCS --- carbonated water injection --- CO2-EOR --- pore network modelling --- relative permeability
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This Special Issue delivered 16 scientific papers, with the aim of exploring the application of carbon capture and storage technologies for mitigating the effects of climate change. Special emphasis has been placed on mineral carbonation techniques that combine innovative applications to emerging problems and needs. The aim of this Special Issue is to contribute to improved knowledge of the ongoing research regarding climate change and CCS technological applications, focusing on carbon capture and storage practices. Climate change is a global issue that is interrelated with the energy and petroleum industry.
Research & information: general --- Earth sciences, geography, environment, planning --- CO2 storage --- depleted gas field --- soil-gas monitoring --- baseline --- injection --- post-injection --- photocatalytic concrete pavement --- NO reduction --- SEM analysis --- carbon emissions --- emission coefficient --- agricultural land --- agricultural inputs --- agricultural policies --- Qinghai province --- carbon nanospheres --- nanocarbon spheres --- carbon dioxide uptake --- EDA --- CO2 sequestration --- physical simulation --- Numerical modelling --- dissolution --- precipitation --- kinetics --- solid–gas reactions --- carbonate looping --- calcium looping --- thermochemical energy storage --- carbon capture and storage --- CO2 capture --- Monte Carlo --- machine learning --- metal–organic framework --- adsorption --- diffusion --- climate change --- carbon emission --- carbon-capturing concrete --- carbon capture activator --- carbon reduction --- CO2 ocean geological storage --- multi-scale ocean model --- hydrostatic approximation --- Eulerian–Lagrangian two-phase model --- environmental impact --- calcium carbonate --- molecular dynamics --- carbon utilization --- gelation --- slag valorization --- metallurgical dusts --- slag cement --- CO2 emissions --- EAF slag --- zero waste --- utilization and storage --- mafic plutonic rocks --- mineral carbonation --- screening and ranking --- Sines massif --- Portugal --- CO2 adsorption --- nanopore --- coal structure deformation --- tectonically deformed coal --- supercritical CO2 --- experimental test --- CO2 capture process --- solvent-based absorption/desorption --- off-design operation --- phase-change solvents --- sensitivity analysis --- CCS --- carbonated water injection --- CO2-EOR --- pore network modelling --- relative permeability --- n/a --- solid-gas reactions --- metal-organic framework --- Eulerian-Lagrangian two-phase model
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This Special Issue delivered 16 scientific papers, with the aim of exploring the application of carbon capture and storage technologies for mitigating the effects of climate change. Special emphasis has been placed on mineral carbonation techniques that combine innovative applications to emerging problems and needs. The aim of this Special Issue is to contribute to improved knowledge of the ongoing research regarding climate change and CCS technological applications, focusing on carbon capture and storage practices. Climate change is a global issue that is interrelated with the energy and petroleum industry.
CO2 storage --- depleted gas field --- soil-gas monitoring --- baseline --- injection --- post-injection --- photocatalytic concrete pavement --- NO reduction --- SEM analysis --- carbon emissions --- emission coefficient --- agricultural land --- agricultural inputs --- agricultural policies --- Qinghai province --- carbon nanospheres --- nanocarbon spheres --- carbon dioxide uptake --- EDA --- CO2 sequestration --- physical simulation --- Numerical modelling --- dissolution --- precipitation --- kinetics --- solid–gas reactions --- carbonate looping --- calcium looping --- thermochemical energy storage --- carbon capture and storage --- CO2 capture --- Monte Carlo --- machine learning --- metal–organic framework --- adsorption --- diffusion --- climate change --- carbon emission --- carbon-capturing concrete --- carbon capture activator --- carbon reduction --- CO2 ocean geological storage --- multi-scale ocean model --- hydrostatic approximation --- Eulerian–Lagrangian two-phase model --- environmental impact --- calcium carbonate --- molecular dynamics --- carbon utilization --- gelation --- slag valorization --- metallurgical dusts --- slag cement --- CO2 emissions --- EAF slag --- zero waste --- utilization and storage --- mafic plutonic rocks --- mineral carbonation --- screening and ranking --- Sines massif --- Portugal --- CO2 adsorption --- nanopore --- coal structure deformation --- tectonically deformed coal --- supercritical CO2 --- experimental test --- CO2 capture process --- solvent-based absorption/desorption --- off-design operation --- phase-change solvents --- sensitivity analysis --- CCS --- carbonated water injection --- CO2-EOR --- pore network modelling --- relative permeability --- n/a --- solid-gas reactions --- metal-organic framework --- Eulerian-Lagrangian two-phase model
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