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Stallmann, M. |
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Title |
Systemvergleich speicherbarer Energieträger aus erneuerbaren Energien |
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2020 |
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methanol synthesis |
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Eine wesentliche Voraussetzung für eine nachhaltige Energieversorgung und Treibhausgasneutralität in Deutschland und weltweit ist die vollständige Umstellung der Energieversorgung auf erneuerbare Energien. Hierbei sind Wind und Sonne die Quellen mit dem größ ten Bereitstellungspotenzial. Diese Energiequellen weisen jedoch eine geringe Energiedichte auf und sind nicht gleichförmig und überall in gleichem Umfang verfügbar. Deswegen wird ein System für die zeitliche und räumliche Verbindung zwischen Energiebereitstellung und -nutzung benötigt, welches die Bereitstellung der Primärenergie aus Sonne und Wind, ihre Umwandlung in speicherbare Energieträger und deren Transport zum Nutzungsort bewerkstelligt. Neben dem Übergang zu klima- und umweltverträglichen Energiequellen und deren effizienter Nutzung muss auch dieses verbindende System möglichst geringe Umwelteffekte aufweisen. Dieses Forschungsprojekt untersucht solche Bereitstellungspfade mit der Methode der Ökobilanzen und liefert damit Hinweise, welche Maß nahmen vorangetrieben werden müssen, um die Umwelteffekte der Bereitstellung, der Speicherung und des Transports speicherbarer Energieträger zu reduzieren. Wesentlich bleibt dabei, Energie möglichst sparsam und effizient zu nutzen, um die erforderliche Menge an speicherbaren Energieträgern aus erneuerbaren Energien und damit deren Umwelteffekte so weit wie möglich zu reduzieren. Neben dem Abschlussbericht als Zusammenfassung wesentlicher Methoden und Ergebnisse und dem Anhang mit einer ausführlichen Darstellung der durchgeführten Arbeiten werden nachstehend auch die Datentabellen mit den Eingangsdaten für die Ökobilanzrechnung, deren Ergebnisse und die Ergebnisse der Kostenschätzungen für weitere Arbeiten in diesem Themenfeld bereitgestellt.Abschlussbericht ,,Systemvergleich speicherbarer Energieträger aus erneuerbaren Energien (5 MB)Anhang zum Abschlussbericht ,,Detailanalysen zum Systemvergleich speicherbarer Energieträger aus erneuerbaren Energien (38 MB)Datentabellen:Eingangsdaten für die Ökobilanzrechnungen (Exceldatei, 1 MB)Ergebnisse der Ökobilanzrechnungen (zip-Ordner, Exceldateien, 4 MB)Ergebnisse der Kostenschätzungen (zip-Ordner, Exceldateien, 300 KB) |
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Umweltbundesamt |
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refbase @ user @ stallmannSystemvergleichSpeicherbarerEnergietraeger2020 |
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17703 |
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Author |
Turnau, S.; Mignot, C.S.; Mostert, C.; Bringezu, S. |
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Title |
Material or Fuel: Comparative Cradle-to-Grave Climate and Material Footprint Analysis for the Use of Methanol from Recycled CO2 |
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Journal Article |
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Year |
2020 |
Publication |
Green Chemistry |
Abbreviated Journal |
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The European Commission as well as the German government favor an energetic use of methanol from CO2 recycling with their legislation and funding mechanisms. This study uses the product climate footprint and the product material footprint to assess the complete life cycle of fossil-based polypropylene, polyoxymethylene, heavy fuel oil, petrol and diesel compared to a functional equivalent product manufactured with methanol from recycled CO2. Assuming that renewable electricity from wind power feeds the electrolysis for the hydrogen production, the results confirm that the use of recycled CO2 reduces the climate footprint, but increases the material footprint as a trade-off. The substitution of polyoxymethylene provides the highest climate footprint reduction closely followed by the substitution of petrol, followed by polypropylene, heavy fuel oil and diesel. Solely for polyoxymethylene, petrol and heavy fuel oil the greenhouse gas emission savings are relatively higher than the additional material demand. Material recycling and energy substitution from plastics waste incineration provide a benefit to the footprints that is by a factor of three higher than for the substitution of fossil-based polymers alone. The analysis until 2050 reveals that the additional material demand is reduced due to the defossilization of the German electricity grid. |
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The Royal Society of Chemistry |
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1463-9270 |
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refbase @ user @ turnauMaterialFuelComparative2020 |
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17712 |
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Author |
xebec, |
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Title |
Biogas Upgrading Plants |
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Miscellaneous |
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2020 |
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refbase @ user @ xebecBiogasUpgradingPlants2020 |
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17732 |
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Author |
Zhang, B.; Zhang, J.; Hua, M.; Wan, Q.; Su, Z.; Tan, X.; Liu, L.; Zhang, F.; Chen, G.; Tan, D.; Cheng, X.; Han, B.; Zheng, L.; Mo, G. |
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Title |
Highly Electrocatalytic Ethylene Production from CO 2 on Nanodefective Cu Nanosheets |
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Journal Article |
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Year |
2020 |
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Journal of the American Chemical Society |
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142 |
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31 |
Pages |
13606-13613 |
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ethylene |
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0002-7863, 1520-5126 |
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refbase @ user @ zhangHighlyElectrocatalyticEthylene2020 |
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17735 |
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Author |
Gomes, J.F.B.; Wiltgen, F. |
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Title |
Avanços na manufatura aditiva em metais: técnicas, materiais e máquinas |
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Journal Article |
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Year |
2020 |
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Revista Tecnologia |
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41 |
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1 |
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Com o advento de novas técnicas de Manufatura Aditiva foi possível à introdução de diversos metais como matéria prima e isso tem sido uma revolução para indústria, pois permite muitas possibilidades. Neste artigo serão apresentadas técnicas de impressão 3D em metais, as matérias primas metálicas mais utilizadas, os custos da manufatura aditiva comparando com a manufatura subtrativa. A utilização desta técnica na área aeronáutica e automotiva, além das dificuldades enfrentadas por esta técnica na fabricação de componentes que necessitam de grande resistência estrutural, e por fim, serão apresentadas possíveis aplicações no futuro próximo. |
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Universidade de Fortaleza |
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0101-8191 |
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1 @ metmet3 @ GomesJoãoFranciscoBueno2020Anma |
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17788 |
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