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Xie M, Zhang M, Jin Z. Machine Learning-Based Interfacial Tension Equations for (H 2 + CO 2)-Water/Brine Systems over a Wide Range of Temperature and Pressure. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:5369-5377. [PMID: 38417158 DOI: 10.1021/acs.langmuir.3c03831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/01/2024]
Abstract
Large-scale underground hydrogen storage (UHS) plays a vital role in energy transition. H2-brine interfacial tension (IFT) is a crucial parameter in structural trapping in underground geological locations and gas-water two-phase flow in subsurface porous media. On the other hand, cushion gas, such as CO2, is often co-injected with H2 to retain reservoir pressure. Therefore, it is imperative to accurately predict the (H2 + CO2)-water/brine IFT under UHS conditions. While there have been a number of experimental measurements on H2-water/brine and (H2 + CO2)-water/brine IFT, an accurate and efficient (H2 + CO2)-water/brine IFT model under UHS conditions is still lacking. In this work, we use molecular dynamics (MD) simulations to generate an extensive (H2 + CO2)-water/brine IFT databank (840 data points) over a wide range of temperature (from 298 to 373 K), pressure (from 50 to 400 bar), gas composition, and brine salinity (up to 3.15 mol/kg) for typical UHS conditions, which is used to develop an accurate and efficient machine learning (ML)-based IFT equation. Our ML-based IFT equation is validated by comparing to available experimental data and other IFT equations for various systems (H2-brine/water, CO2-brine/water, and (H2 + CO2)-brine/water), rendering generally good performance (with R2 = 0.902 against 601 experimental data points). The developed ML-based IFT equation can be readily applied and implemented in reservoir simulations and other UHS applications.
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Affiliation(s)
- Minjunshi Xie
- School of Mining and Petroleum Engineering, Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
| | - Mingshan Zhang
- Key Laboratory of Ministry of Education on Safe Mining of Deep Metal Mines, School of Resources and Civil Engineering, Northeastern University, Shenyang 110819, China
- Key Laboratory of Liaoning Province on Deep Engineering and Intelligent Technology, Northeastern University, Shenyang 110819, China
| | - Zhehui Jin
- School of Mining and Petroleum Engineering, Department of Civil and Environmental Engineering, University of Alberta, Edmonton, AB T6G 1H9, Canada
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Fabien A, Lefebvre G, Badens E, Calvignac B, Chaudanson D, Ranguis A, Crampon C. Contact angle of ethanol, water, and their mixtures on stainless steel surfaces in dense carbon dioxide. J Colloid Interface Sci 2024; 655:535-545. [PMID: 37952457 DOI: 10.1016/j.jcis.2023.10.163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 10/25/2023] [Accepted: 10/31/2023] [Indexed: 11/14/2023]
Abstract
HYPOTHESIS Contact angle can be a key parameter in chemical engineering. However, the development and the optimization of numerous processes using supercritical CO2, considered as environmentally friendly, require new measurements under dense CO2 atmosphere. Besides, the influence of the roughness or the wetting regime on the contact angle is known at ambient conditions but remains to be discussed for systems under high pressure. EXPERIMENTAL Contact angle measurements of ethanol, water, and their mixtures, with ethanol mass fractions ranging from 0.25 to 0.75, on two stainless steels in saturated CO2 at pressures ranging from 0.1 MPa to 15.1 MPa, and at313 K and 333 K were carried out in a set-up improving mass transfer between the studied liquid and the continuous fluid phase. Stainless steel surfaces have been characterized by atomic force and scanning electron microscopies allowing the application of the Wenzel equation. FINDINGS Ethanol wetted totally both stainless steels while contact angles of all other liquids were increased by the rise of pressure, with contact angles up to 128° for water at 15.1 MPa. Trapped bubbles were observed at the solid/liquid interface and the bubble formation is discussed. Furthermore, the potential influence of bubble presence on the wetting regime is prospected through the question: could the pressure rise modify the wetting regime?
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Affiliation(s)
- Aymeric Fabien
- Aix Marseille Univ, CNRS, Centrale Marseille, M2P2, Marseille, France
| | | | - Elisabeth Badens
- Aix Marseille Univ, CNRS, Centrale Marseille, M2P2, Marseille, France.
| | - Brice Calvignac
- Univ Angers, Inserm, CNRS, MINT, SFR ICAT, F-49000 Angers, France
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Daassi R, Durand K, Rodrigue D, Stevanovic T. Optimization of the Electrospray Process to Produce Lignin Nanoparticles for PLA-Based Food Packaging. Polymers (Basel) 2023; 15:2973. [PMID: 37447618 DOI: 10.3390/polym15132973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 06/29/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023] Open
Abstract
The development of new processing methods is required in order to meet the continuous demand for thinner films with excellent barrier properties for food packaging and other applications. In this study, rice husk organosolv lignin nanoparticles were prepared using the electrospray method, which were applied to produce polylactic acid (PLA)-based films for food packaging. The effect of the following electrospray parameters has been investigated: lignin concentration (LC) ranging from 5-50 mg/mL, flow rate (FR) from 0.5-1 mL/min, applied voltage from 10-30 kV, and tip-to-collector distance (TCD) from 10-25 cm, on the morphology, size, polydispersity index (PDI), and Zeta potential (ZP) of lignin nanoparticles (LNPs). The response surface methodology with a Box-Behnken design was applied to optimize these parameters, while dynamic light scattering (DLS) and scanning electron microscopy (SEM) analyses were used to characterize the controlled LNPs. The results showed that the LNPs shape and sizes represent a balance between the solvent evaporation, LC, applied voltage, TCD and FR. The application of optimal electrospray conditions resulted in the production of LNPs with a spherical shape and a minimal size of 260 ± 10 nm, a PDI of 0.257 ± 0.02, and a ZP of -35.2 ± 4.1 mV. The optimal conditions were achieved at LC = 49.1 mg/mL and FR = 0.5 mL/h under an applied voltage of 25.4 kV and TCD = 22 cm. Then, the optimized LNPs were used to improve the properties of PLA-based films. Three types of PLA-lignin blend films were casted, namely lignin/PLA, LNPs/PLA and PLA-grafted LNPs. PLA-grafted LNPs exhibited a more uniform dispersion in PLA for lignin contents of up to 10% than other composite samples. Increasing the lignin content from 5% to 10% in PLA-grafted LNPs resulted in a significant increase in elongation at break (up to four times higher than neat PLA). The presence of PLA-grafted lignin led to a substantial reduction in optical transmittance in the UV range, dropping from 58.7 ± 3.0% to 1.10 ± 0.01%, while maintaining excellent transparency to visible light compared to blends containing lignin or LNPs. Although the antioxidant capacity of unmodified lignin is well-known, a substantial increase in antioxidant capacity was observed in LNPs and PLA-grafted LNP films, with values exceeding 10 times and 12 times that of neat PLA, respectively. These results confirm the significant potential of using studied films in food packaging applications.
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Affiliation(s)
- Rodrigue Daassi
- Renewable Materials Research Centre (CRMR), Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec City, QC G1V 0A6, Canada
- Chemical Engineering Department, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Kalvin Durand
- Renewable Materials Research Centre (CRMR), Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec City, QC G1V 0A6, Canada
- Chemical Engineering Department, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Denis Rodrigue
- Chemical Engineering Department, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Tatjana Stevanovic
- Renewable Materials Research Centre (CRMR), Institute of Nutrition and Functional Foods (INAF), Université Laval, Quebec City, QC G1V 0A6, Canada
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Alzate-Arbelaez AF, Cortés FB, Rojano BA. Antioxidants from Hyeronima macrocarpa Berries Loaded on Nanocellulose: Thermal and Antioxidant Stability. Molecules 2022; 27:molecules27196661. [PMID: 36235198 PMCID: PMC9571521 DOI: 10.3390/molecules27196661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/04/2022] [Accepted: 10/05/2022] [Indexed: 11/16/2022] Open
Abstract
This study investigated the effect of different storage temperatures (35-55 °C) on the bioactive substances and antioxidant properties of Hyeronima macrocarpa berries loaded on nanocellulose. NC was extracted from banana pseudo-stems and presented an interesting surface and porosity properties. The acidified ethanol extract showed better anthocyanin extraction (1317 mg C3G eq./100 g FW) and was used for the preparation of the powdered product, which presented an intense and uniform magenta color, with CIELAB parameters of L* = 59.16, a* = 35.61, and b* = 7.08. The powder exhibited significant stability at storage temperatures of 35 and 45 °C, in which there was no significant loss of anthocyanins or a decrease in antioxidant capacity. In addition, the color was stable for up to 4 months without adding any preservative agent. The anthocyanin-rich extract of H. macrocarpa reached an estimated shelf-life of 315 days (stored at 35 °C), as a result of the impregnation process between the extract and NC, with the ability to protect the bioactives from degradation, due to NC surface properties.
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Affiliation(s)
- Andrés Felipe Alzate-Arbelaez
- Laboratorio Ciencia de los Alimentos, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Medellín, Carrera 65 # 59A-110, Medellín 050034, Colombia
| | - Farid B. Cortés
- Grupo de Fenómenos de Superficie, Michael Polanyi, Departamento de Procesos y Energía, Facultad de Minas, Universidad Nacional de Colombia, Cra. 80 # 65-223, Medellín 050034, Colombia
| | - Benjamín A. Rojano
- Laboratorio Ciencia de los Alimentos, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Medellín, Carrera 65 # 59A-110, Medellín 050034, Colombia
- Correspondence:
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Murakami Y, Inoue K, Akiyama R, Orita Y, Shimoyama Y. LipTube: Liposome Formation in the Tube Process Using Supercritical CO 2. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuya Murakami
- Department of Industrial Chemistry, Tokyo University of Science, 6-3-1 Niijuku, Katsushika-ku, Tokyo125-8585, Japan
| | - Keita Inoue
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Ookayama 2-12-1 S1-33, Meguro-ku, Tokyo152-8550, Japan
| | - Ryunosuke Akiyama
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Ookayama 2-12-1 S1-33, Meguro-ku, Tokyo152-8550, Japan
| | - Yasuhiko Orita
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Ookayama 2-12-1 S1-33, Meguro-ku, Tokyo152-8550, Japan
| | - Yusuke Shimoyama
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, Ookayama 2-12-1 S1-33, Meguro-ku, Tokyo152-8550, Japan
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