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Theoretical evaluation and optimization of a cryogenic technology for carbon dioxide separation and methane liquefaction from biogas KU Leuven
© 2018 Elsevier B.V. The transport sector represents one of the major cause of air pollution and greenhouse gases emissions. For this reason, several measures have been taken: penalty and incentive schemes have been introduced worldwide to increase renewable energy sources and alternative fuels use. It is widely accepted that natural gas (NG) is a good alternative fuel, especially in its liquid form (LNG), and it can be produced using biogas as ...
Coefficient of thermal expansion evolution for cryogenic preconditioned hybrid carbon fiber/glass fiber-reinforced polymeric composite materials KU Leuven
Polymeric matrix composites are susceptible to degradation and material properties changes if subjected to low-temperature environmental conditions. This paper attempts to present a study on effective coefficient of thermal expansion for various hybrid carbon fibers/glass fibers polymeric composite structures previously subjected to low-temperature environmental conditioning. The hybrid composite architectures were made from various layers of ...
Multivariable predictive control for the secondary processes in a cryogenic carbon isotope separation column Universiteit Gent
Jonge en eeuwenoude biochar beinvloeden de nutrientencyclus sterk in een gematigd agro-ecosysteem Instituut voor Landbouw-, Visserij- en Voedingsonderzoek
Biochar as a soil amendment is often described as a promising agricultural practice for climate change mitigation and adaptation. However, while recent research showed limited effects of biochar in temperate regions, its long-term impacts on nutrient management in-situ have been overlooked. Here we studied charcoal residues from pre-industrial kiln sites as a proxy to determine the effects of century-old biochar (~200 years old) on nutrient ...
Proton Transfer Reaction Time-of-Flight Mass Spectrometric (PTR-TOF-MS) determination of volatile organic compounds (VOCs) emitted from a biomass fire developed under stable nocturnal conditions Universiteit Antwerpen
Combustion of solid and liquid fuels is the largest source of potentially toxic volatile organic compounds (VOCs), which can strongly affect health and the physical and chemical properties of the atmosphere. Among combustion processes, biomass burning is one of the largest at global scale. We used a Proton Transfer Reaction Time-of-Flight Mass Spectrometer (PTR-TOF-MS), which couples high sensitivity with high mass resolution, for real-time ...
Biochar amendment to soils with contrasting organic matter level: effects on N mineralization and biological soil properties Universiteit Gent
Biochars produced from individual grassland species differ in their effect on plant growth Universiteit Gent
Parametric systems modeling for sustainable energy and resource flows in buildings and their urban environment KU Leuven
This paper proposes Parametric Systems Modeling (PSM) as a tool for building and city planning. The method outlined is based on Systems Modeling Language (SysML). It supplements geometry-based Computer-aided Design (CAD) with a non-geometric, design-oriented modeling approach that considers multidisciplinary information and parametric interdependencies. Its application is intended for the exploration of innovative sustainable design solutions at ...
Chemical stabilization of Cd-contaminated soil using fresh and aged wheat straw biochar Universiteit Gent
Metal mining and smelting activities can introduce a substantial amount of potentially toxic elements (PTE) into the environment that can persist for an extended period. That can limit the productivity of the land and creates dangerous effects on ecosystem services. The effectiveness of wheat straw biochar to immobilize Cd in contaminated soil due to metal smelting activities was investigated in this study. The biochar carbon stability and ...