Results 11 to 20 of about 155,678 (230)
Biogas enhancement with membranes [PDF]
, 2014 Biogas is generated during anaerobic digestion (AD) of sewage sludge at wastewater treatment works (WWTW) and consists of approximately 50-70 % methane (CH4) balanced primarily by carbon dioxide (CO2). It is commonly used directly as a fuel gas for the
McLeod, Andrew J.
core +7 more sources
Energies, 2022 Proppant is an essential material in hydraulic fracturing, and it can support artificial fractures for a long time. However, few people have applied proppant and conductive materials in the in-situ modification of shale oil. Here, we developed a graphene
Siyuan Chen +8 more
doaj +1 more source
Biogas Valorisation to Biomethane for Commercialisation in South Africa: A Review
Energies, 2023 Biogas consists of mainly methane, as a source of energy, and impurities such as carbon dioxide, hydrogen sulphide, water, and siloxanes. These impurities, such as hydrogen sulphide, reduce the biogas energy content and corrode equipment that store ...
Chipo Shonhiwa +4 more
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Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development
Energies, 2021 The present work reviews the role of biogas as advanced biofuel in the renewable energy system, summarizing the main raw materials used for biogas production and the most common technologies for biogas upgrading and delving into emerging biological ...
Raquel Iglesias +8 more
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Thermodynamic, kinetic and dynamic aspects of biogas upgrading using nano-engineered grazynes [PDF]
, 2022 Different nano-engineered grazynes have been studied as possible membranes to separate methane (CH4) from carbon dioxide (CO2) by computational simulations based on density functional theory (DFT) and molecular dynamics (MD).
Francesc, Viñes Solana +2 more
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Frontiers in Energy Research, 2020 In the context of accelerating development of renewable and sustainable energy, biogas upgrading has attracted significant attention in order to yield high quality biomethane which can be utilized as an alternative to natural gas.
Le Zhang +3 more
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MOF-Confined Sub-2 nm Stable CsPbX3 Perovskite Quantum Dots
Nanomaterials, 2019 The metal halide with a perovskite structure has attracted significant attention due to its defect-tolerant photophysics and optoelectronic features. In particular, the all-inorganic metal halide perovskite quantum dots have potential for development in ...
Zhenxing Li +8 more
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MXene Boosted CoNi-ZIF-67 as Highly Efficient Electrocatalysts for Oxygen Evolution
Nanomaterials, 2019 Oxygen evolution reaction (OER) is a pivotal step for many sustainable energy technologies, and exploring inexpensive and highly efficient electrocatalysts is one of the most crucial but challenging issues to overcome the sluggish kinetics and high ...
Yangyang Wen +5 more
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Empirical Validation of a Biogas Plant Simulation Model and Analysis of Biogas Upgrading Potentials
Energies, 2021 Biogas plants may support the transformation towards renewable-based and integrated energy systems by providing dispatchable co-generation as well as opportunities for biogas upgrading or power-to-X conversion.
Jan Martin Zepter +3 more
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Machine learning-driven dual-objective optimization of biomass-derived carbon quantum dots toward high conductivity and yield [PDF]
RSC AdvancesBiomass-derived carbon quantum dots (CQDs) have been reported to effectively improve the efficiency of anaerobic digestion processes. However, simultaneously achieving high CQD yield and high conductivity remains challenging due to the complexity of the ...
Heng Jiang +6 more
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