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Catalytic, Photocatalytic and Electrocatalytic Processes for the Valorisation of CO2

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ISBN: 9783039217786 9783039217793 Year: Pages: 132 DOI: 10.3390/books978-3-03921-779-3 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Science (General) --- Chemistry (General)
Added to DOAB on : 2019-12-09 11:49:16
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Abstract

Increasing attention is being paid to the development of effective technologies for the sequestration of CO2 and its storage. Hopefully, this will result in processes that can lead to its valorisation as a chemical, e.g., for the regeneration of fuels, but also for the production of intermediates. These are usually energy demands and rather slow processes, requiring energy input and catalysts. Some examples are the innovative strategies for the hydrogenation, photoconversion, or electroreduction of carbon dioxide. This book collects original research papers, reviews, and commentaries focused on the challenges related to the valorisation and conversion of CO2.

Nanomaterials for Environmental Purification and Energy Conversion

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ISBN: 9783039218141 9783039218158 Year: Pages: 264 DOI: 10.3390/books978-3-03921-815-8 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering --- Environmental Engineering
Added to DOAB on : 2020-04-07 23:07:08
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The Special Issue, “Nanomaterials for Environmental Purification and Energy Conversion”, describes the significant and increasing role of nanomaterials in catalysis. It is believed that the most important factor for future human development could be to use nanomaterials (nanotechnology) to solve such critical issues facing humanity such as environment, water and energy. It should be also pointed out that properties of nanomaterials differ substantially from that of bulk materials of the same composition, resulting in high reactivity. Therefore, it creates new perspectives for the catalytic processes in the broad sense. This issue was mainly dedicated as a platform for the contributions from The Symposium on Nanomaterials for Environmental Purification and Energy Conversion (SNEPEC), which was held in Sapporo, Japan in winter 2018. Accordingly, this book compiles the current state-of-the-art of research in the area of novel photocatalysts and highlights current research directions in the fields of advanced oxidation technologies, material science and nanotechnology. Written by leading experts in the field of photochemistry and chemical engineering, a collection of 17 papers, including 16 research papers and one review, covers a broad range of topics focusing on the exceptional role of catalytic nanomaterials in solving environmental and energy problems of modern societies. The majority of papers present the importance of photocatalytic nanomaterials, especially for degradation of organic pollutants and inactivation of microorganisms, but there is also a strong representation of conventional catalysis, based on nanomaterials for important processes such as catalytic hydrogen production and organic synthesis.

Keywords

TiOF2 --- NaOH-modified TiOF2 --- network shape --- photocatalysis --- RhB --- chemical looping reforming of methane --- yttrium promoted oxygen carrier --- SBA-16 --- hydrogen production --- conductive cotton filter --- carbon nanotubes --- low-cost --- water purification --- gravity feed --- alcohols --- salicylic acid --- multiwalled carbon nanotubes --- synthesis gas --- titanium dioxide --- graphene --- photocatalysis --- visible light --- dyes --- Cu nanoparticles --- Cu/FTO nanocomposites --- H2 evolution --- visible light --- transfer efficiency --- chemical looping --- oxygen carrier --- hydrogen production --- narrow pore size distribution --- Fe2O3 dispersion --- texture modification --- photocatalytic reduction --- TiO2 --- anatase --- CO2 --- flue gas --- adsorption --- magnetic ZnO --- methylene blue --- photodegradation --- rectorite --- dimethyl carbonate --- carbon dioxide --- ceria nanowires --- oxygen vacancy --- Pt-Au --- XAFS --- BCLA --- zinc chromite --- photocatalysis activity --- oxalate --- humic acid --- photocatalysis --- CO2 reduction --- anatase --- polydopamine --- sensitization --- heterogeneous photocatalysis --- TiO2/Cu2O nanotubes --- anodization --- nanomaterials fabrication --- removal of microbiological pollutants --- photocatalysis --- nanocomposites --- heterojunction --- Cu2O --- urea --- polytriazine --- Z-scheme --- ionic liquids --- ionic liquid-assisted solvothermal reaction --- reaction time --- titanium dioxide --- heterogeneous photocatalysis --- visible light --- C/TiO2 --- photocatalysis --- solar radiation --- disinfection --- immobilized catalyst --- n/a

Biomass Processing for Biofuels, Bioenergy and Chemicals

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ISBN: 9783039289097 / 9783039289103 Year: Pages: 428 DOI: 10.3390/books978-3-03928-910-3 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Technology (General) --- General and Civil Engineering
Added to DOAB on : 2020-06-09 16:38:57
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Biomass can be used to produce renewable electricity, thermal energy, transportation fuels (biofuels), and high-value functional chemicals. As an energy source, biomass can be used either directly via combustion to produce heat or indirectly after it is converted to one of many forms of bioenergy and biofuel via thermochemical or biochemical pathways. The conversion of biomass can be achieved using various advanced methods, which are broadly classified into thermochemical conversion, biochemical conversion, electrochemical conversion, and so on. Advanced development technologies and processes are able to convert biomass into alternative energy sources in solid (e.g., charcoal, biochar, and RDF), liquid (biodiesel, algae biofuel, bioethanol, and pyrolysis and liquefaction bio-oils), and gaseous (e.g., biogas, syngas, and biohydrogen) forms. Because of the merits of biomass energy for environmental sustainability, biofuel and bioenergy technologies play a crucial role in renewable energy development and the replacement of chemicals by highly functional biomass. This book provides a comprehensive overview and in-depth technical research addressing recent progress in biomass conversion processes. It also covers studies on advanced techniques and methods for bioenergy and biofuel production.

Keywords

lignocellulose --- pretreatment --- hardwood --- extrusion --- enzymatic digestibility --- bioethanol --- renewable energy --- biofuel --- environment --- technology development --- co-combustion --- sewage sludge --- thermogravimetric analysis --- Fourier transform infrared spectroscopy --- synergistic effect --- single-pellet combustion --- biodiesel --- fatty acid methyl ester --- free fatty acids --- oxidation stability --- antioxidant --- hydrogen --- coffee mucilage --- organic wastes --- dark fermentation --- anaerobic digestion --- biodiesel --- bio-jet fuel --- triacylglycerides --- Fatty Acid Methyl Ester --- lipids --- hydrodeoxygenation --- drop-in fuel --- rubber seed oil --- biodiesel production --- nanomagnetic catalyst --- subcritical methanol --- FAME yield --- Box-Behnken design --- GCI --- biodiesel --- diesel --- combustion --- emission --- renewable energy --- microwave --- free fatty acid --- crude oil --- renewable energy --- biomass --- waste --- black soldier fly larvae (BSFL) --- instar --- lipid --- fatty acid methyl ester (FAME) --- fermentation --- Rancimat method --- butylated hydroxyanisole --- tert-butylhydroquinone --- fatty acid methyl esters --- viscosity --- response surface --- anaerobic treatment --- biogas --- kinetic study --- potato peels --- cow manure --- thermophilic --- mesophilic --- palm oil mill effluent --- acclimatization --- direct carbon fuel cell --- biochar --- pyrolysis --- power density --- pre-treatment --- post-treatment --- combustion characteristics --- injection strategies --- compression ratio --- intake temperature --- torrefaction --- vacuum --- biomass pretreatment --- bioenergy --- energy yield --- biochar --- rice straw --- rice husk --- power generation --- gasification --- alternative fuel --- Rhus typhina biodiesel --- non-edible oil --- base-catalyzed transesterification --- Physico-chemical properties --- concentration polarization --- draw solution --- feed solution --- forward osmosis --- pressure-retarded osmosis --- operating conditions --- membrane fouling --- osmotic membrane --- bioenergy --- biofuel --- nanotechnology --- nano-catalysts --- nano-additives --- crude glycerol --- glycerol carbonate --- dimethyl carbonate --- microwave irradiation --- reaction kinetics

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