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Journal of CO2 Utilization
ISSN 2212-9839 · Elsevier · 886 artikel di indeks
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Artikel Jurnal
Reaction mechanism and structure-activity relationships of bimetallic catalysts for CO2 hydrogenation to methanol under vapor and liquid phase processes
Under the global context of carbon capture, utilization and storage (CCUS), coupling CO2 with green hydrogen to synthesize green methanol at low temperature has become the development trend of this field. In gas and liquid phase systems, CO2 hydrogenation demands different intermediates, directly…
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Artikel Jurnal
Revealing the structure-activity relationship of Mn3O4/TiO2 via phase engineering for enhanced photocatalytic CO₂ reduction
The structure-activity relationship plays a crucial role for enhanced photocatalytic performance, nevertheless, precisely controlling the phase of transition metal oxides remains a significant challenge. Herein, we developed 2D-layered Mn3O4 decorated with TiO2 catalyst to investigate the effects…
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Artikel Jurnal
Supercritical carbon dioxide extraction: Lipid composition and carotene content of used activated bleaching oil in Thailand
Used activated bleaching earth (UABE) from palm oil refining contains significant residual oil and bioactive compounds, offering a potential resource for value-added recovery. This study explores the extraction of oil, carotenoids, and vitamin A from UABE using supercritical carbon dioxide (SC-CO₂)…
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Pulsed electrolysis controls copper restructuring via dissolution–redeposition to prolong selective CO2 reduction to ethylene
Pulsed electrolysis is known to enhance the stability of electrochemical CO2 reduction (ECO2R) on copper, yet the mechanistic origin of this effect remains poorly understood. Using identical-location electron microscopy in combination with operando impedance spectroscopy, we show that pulsed…
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Artikel Jurnal
Evaluating operating trade-offs in CO2 hydrogenation to methanol: Conversion, energy efficiency, and techno-economic implications
The direct hydrogenation of carbon dioxide (CO2) to methanol presents a promising approach to mitigate atmospheric CO2 levels while producing a valuable chemical feedstock. However, the technical and economic feasibility of renewable methanol is still under evaluation, making it essential to…
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Artikel Jurnal
Integrating AFM adhesion profiling with supercritical antisolvent fluidized-bed CO₂ processing to optimise drug loading
Improving drug loading and dissolution of poorly water-soluble active pharmaceutical ingredients (APIs) remains a major challenge in formulation development. Here, we integrate atomic force microscopy (AFM) adhesion-force profiling with supercritical antisolvent fluidized-bed (SAS-FB) technology to…
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Artikel Jurnal
Ferrocene-linked triazine-based porous organic polymers as multifunctional platforms for CO2 recognition, separation and utilization
The development of efficient materials that can capture CO2 and catalyze its conversion into value-added organic compounds is critically important. The concept of CO2 Capture and Utilization (CCU) is gradually gaining the attention of researchers. In this study, we designed and synthesized…
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Artikel Jurnal
Development of BaO/Nd2O3/Co catalyst for efficient hydrogen-based fuels production via inverse design strategy
Hydrogen is considered one of the most promising energy carriers, allowing for more sustainable and efficient energy solutions. However, hydrogen storage remains a formidable challenge in utilizing hydrogen to generate clean energy. To overcome these challenges, various hydrogen-based storage…
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Artikel Jurnal
Carbon dioxide capture from air in buildings – Design and techno-economic feasibility of practical systems
Direct Air Capture (DAC) is needed alongside other CO2 removal methods to ensure that the total amount of CO2 required is removed from the atmosphere so that global warming can be limited to below 2 °. While large-scale DAC farms are a promising solution, their high CAPEX and OPEX, along with…
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Artikel Jurnal
Boron-driven oxygen-vacancy enrichment and VOX dispersion in SAPO-34 for robust CO2-ODHP
We report a boron-modified vanadia@SAPO-34 catalyst (V@SP-B) that integrates Lewis-acidic B3 + sites with redox-active VOX species to enhance CO2-assisted oxidative dehydrogenation of propane (CO2-ODHP). The catalyst, synthesized via H3BO3 etching and VO(acac)2 impregnation, forms a hierarchical…
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Artikel Jurnal
Phase behavior of binary mixtures of CO2 with methyl, ethyl, and butyl (Phenylacetates) at elevated pressures
The increasing demand for alkyl phenylacetates, owing to their distinctive characteristics and diverse industrial applications, highlights the necessity of accurate vapor–liquid equilibrium (VLE) data for efficient process design. This is especially crucial in separation processes employing…
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Artikel Jurnal
Mineral carbonation: Thermal activation of serpentine as flexible component in energy systems
In this article, the thermal activation of serpentine for mineral carbonation using an electrically heated fluidised bed was studied. This process step is combined into a novel process configuration with rapid thermal activation and a thermal energy storage. For the studied serpentinite mine…
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Artikel Jurnal
Supercritical CO2 extraction of lingonberry (Vaccinium vitis-idaea) pomace: Optimization studies using response surface methodology, and extraction kinetics
The lipophilic extracts of lingonberry pomace have important applications in cosmetics, food-grade coatings and films, and other food engineering processes due to their antimicrobial, antioxidant, and hydrophobic properties. In this study, supercritical carbon dioxide extraction (Sc-CO2) was…
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Artikel Jurnal
Enhanced charge transfer in surface-modified NiTiO3 using high-entropy oxide nanoparticles for solar-driven methanol production
The photocatalytic reduction of CO2 into solar fuels for harnessing solar energy was achieved through the synthesis of a heterostructure comprising a high-entropy oxide (HEO) of (CoCrFeNi)Ox and NiTiO3 nanorods (NTO) prepared by an ammonia evaporation technique. The HEO/NTO heterostructure…
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Study of CO2 absorption into monoethanolamine solution in a rotating packed bed
Conventional packed bed (PB) absorbers for post-combustion CO2 capture are hindered by large equipment size and high regeneration energy. Rotating packed bed (RPB) has emerged as a promising alternative by intensifying mass transfer and reducing process footprint. In this study, a lab-scale RPB…
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Artikel Jurnal
CO2 and CH4 conversion in a rotating DC glow to arc plasma with big discharge gap
In this work, we investigated large-volume, non-thermal discharges in CO₂/CH₄ mixtures with the aim of enabling energy-efficient plasma-based conversion. Building on the fundamental U–I characteristics of gas discharges, we showed how discharge extension and thermal management strongly affect the…
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Artikel Jurnal
Four-column Vacuum Pressure Swing Adsorption for biogas upgrading with co-production of high-purity biogenic CO2: Experimental and simulation study
In this work, a four-column Vacuum Pressure Swing Adsorption (VPSA) pilot unit was constructed and tested for biogas upgrading. The columns were packed with the carbon molecular sieve Shirasagi CT-350 (CMS) adsorbent. A 12-steps process configuration was designed to upgrade a synthetic mixture of…
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Artikel Jurnal
Parametric study of CO2 capture and thermal energy storage in a CaO/CaCO3 bubbling fluidized bed with polydisperse particles
The CaO/CaCO3 cycle system holds broad application prospects in high-temperature processes such as thermal chemical energy storage for concentrated solar power generation and CO2 capture and utilization. However, most numerical studies typically employ calcium-based particles of a single particle…
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Artikel Jurnal
Progress in dense ceramic catalytic membrane reactors for CO₂ conversion
The direct high-temperature splitting of CO2 into CO and O2 is a viable conversion method (2CO2→2CO+O2) for reusing CO2. Nevertheless, this reaction is constrained by thermodynamic equilibrium, rendering it challenging to attain CO2 splitting in conventional fixed-bed reactors. Membrane technology…