Article
Computer Science, Interdisciplinary Applications
Giorgia De Guido, Laura Annamaria Pellegrini
Summary: This work introduces a thermodynamic model for calculating solid-vapor phase equilibria in the presence of solid carbon dioxide, with validation done using experimental data for CO2 capture. The proposed method shows promising results in determining suitable operating conditions for separating CO2 from flue gas.
COMPUTERS & CHEMICAL ENGINEERING
(2022)
Article
Thermodynamics
Haorui Liu, Shuoyu Wang, Xiaoqiong Wang, XiaoJing Feng, Shuixia Chen
Summary: A stable porous solid amine adsorbent was prepared using high internal phase emulsion (HIPE) template method and impregnation-crosslinking method, exhibiting higher adsorption capacity and better adsorption kinetics in wet conditions, making it suitable for gas separation. The adsorbent showed excellent CO2/CH4 separation selectivity and high operating capacity, along with superior regeneration performance.
Article
Thermodynamics
Fayza Yulia, Intan Chairina, Agustino Zulys, Nasruddin
Summary: This study predicts gas adsorption separation performance using artificial neural networks and optimizes it using a multiobjective genetic algorithm, further determining the optimal solution through the Technique for Order of Preference by Similarity to the Ideal Solution (TOPSIS). The results show a high validity regression between predicted and actual values.
THERMAL SCIENCE AND ENGINEERING PROGRESS
(2021)
Article
Thermodynamics
Giorgia De Guido, Elvira Spatolisano
Summary: This study focuses on solid-vapor equilibria and solid-liquid-vapor equilibria of carbon dioxide in mixtures for gas purification and biogas upgrading. An algorithm for solving flash calculations coupled with phase stability analysis is proposed, showing good agreement with experimental data and suggesting further experimental studies on multicomponent mixtures.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2021)
Article
Chemistry, Multidisciplinary
Danhua Mei, Peng Zhang, Gehui Duan, Shiyun Liu, Ying Zhou, Zhi Fang, Xin Tu
Summary: The reforming of CH4 with CO2 using nanosecond pulsed dielectric barrier discharge (DBD) plasma shows promising results in enhancing gas conversion, but at the expense of energy efficiency. Increasing applied voltage and discharge length can enhance gas conversion, but decrease energy efficiency.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Engineering, Chemical
Ting Wu, Ying Tu, Wen Liu, Zhen Sun, Meihua Zhu, Xuezhong He, Tian Gui, Xiangshu Chen, Hidetoshi Kita
Summary: In this study, a co-solvent strategy using isopropanol as the organic co-solvent was employed to synthesize AlPO-18 membrane. The addition of isopropanol not only accelerated the crystallization of AlPO-18 membrane, but also increased the size of crystals on the membrane, leading to a reduced synthesis time.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Engineering, Chemical
Wenhao Zou, Hongtao Shang, Xiaolong Han, Peng Zhang, Xingzhong Cao, Ping Lu, Chao Hua
Summary: New robust membrane materials for separating carbon dioxide are gaining more attention. In this study, three polyphosphazene materials were synthesized and corresponding composite membranes were prepared. Gas permeation tests showed that POA/PVDF membrane had the highest CO2 permeability due to the largest free volume.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Article
Engineering, Chemical
Peipei Zhou, Ting Wu, Zhen Sun, Yinuo Liu, Xinwei Chen, Meihua Zhu, Fei Zhang, Na Hu, Yuqin Li, Tian Gui, Xiangshu Chen, Hidetoshi Kita
Summary: High-silica SSZ-13 membranes were synthesized using different sodium sources, and a pure phase membrane with high gas permeation was obtained using NaCl. The NaCl content influenced the crystal morphology and size, but had little effect on the membrane structure. The optimal membrane exhibited excellent gas permeance and selectivity, as well as hydrothermal stability in a humid environment.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Article
Polymer Science
Angel de J. Montes Luna, Nidia C. Fuentes Lopez, Griselda Castruita de Leon, Odilia Perez Camacho, Claudia Y. Yeverino Miranda, Yibran A. Perera Mercado
Summary: In this study, polybenzimidazole (PBI) and natural zeolite-based mixed matrix membranes (MMMs) were prepared and their transport properties for binary and ternary mixed-gas separation were investigated. The MMMs showed improved perm-selectivity properties compared to the PBI polymeric membranes, favoring the permeation of CO2 and N-2. Through thermal properties analysis and X-Ray Diffraction, it was found that the MMMs membranes have higher thermal stability and the zeolite signals combine with the amorphous dome from the polymeric matrix.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Engineering, Environmental
Mirtha A. O. Lourenco, Tania Frade, Marta Bordonhos, Micaela Castellino, Sergio Bocchini, Moises L. Pinto
Summary: Sponge-like biochar sorbents with enhanced CO2 uptake were prepared from chitosan through dissolution, freeze-drying, and pyrolysis at different temperatures. The pyrolysis temperature influenced the textural properties of the biochar, as well as the type and amount of N-species present. XPS analysis revealed the transformation of amino groups into different N-species during pyrolysis. The biochar adsorbed higher amounts of CO2 compared to CH4 and N-2 gases, with the highest selectivity for CO2/N-2 separation observed for the sample pyrolyzed at 800 degrees C. The adsorption process was predominantly governed by physisorption, and the biochar showed tolerance to water vapor adsorption, indicating its suitability for use in moisture-rich environments.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Eleonora Ricci, Francesco M. Benedetti, Antonella Noto, Timothy C. Merkel, Jianyong Jin, Maria Grazia De Angelis
Summary: A new experimental protocol was designed to measure sorption of ternary gas mixtures in polymer membranes for the first time. The results showed competitive sorption effects in all gas mixtures analyzed, with the presence of C2H6 in the mixture reducing the sorption of both CH4 and CO2 to a similar extent. The experimental data validated predictions of the Non-Equilibrium Lattice Fluid (NELF) model, demonstrating its reliability in assessing mixed-gas sorption even in complex scenarios.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Cai-Hong Zhan, Dan-Ping Huang, Yu Wang, Wei-Tao Mao, Xiao-Juan Wang, Zhan-Guo Jiang, Yun-Long Feng
Summary: The study synthesized four porous anionic lanthanide-based metal-organic frameworks using H3DBPT as a ligand, with Tb-MOF showing potential as a luminescent sensing material for nitro explosives and Gd-MOF exhibiting important gas separation potential after desolvation.
Article
Engineering, Chemical
Hanbin Zhong, Zeneng Sun, Jesse Zhu, Chao Zhang
Summary: The study applied artificial neural network (ANN) method to predict solid holdup in a gas-solid circulating fluidized bed (CFB) riser, improving prediction accuracy with an enhanced rule, and verifying the reproducibility and applicability of ANN development process.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Article
Materials Science, Multidisciplinary
Xinyi Wang, Trevor J. Wilson, Christopher R. Maroon, Jeffrey A. Laub, Savannah E. Rheingold, Konstantinos D. Vogiatzis, Brian K. Long
Summary: Natural gas production and utilization have increased significantly in recent years, necessitating improved methods for purification. This study focuses on the development of polymeric materials for natural gas purification and demonstrates that incorporating fluoroalkoxysilyl substituents can enhance CO2/CH4 permselectivity. The findings suggest that the observed increase in selectivity is primarily due to improved CO2 sorption in the fluorine-containing polymers.
ACS APPLIED POLYMER MATERIALS
(2022)
Article
Engineering, Environmental
Yan Xie, Yu-Jie Zhu, Tao Zheng, Qing Yuan, Chang-Yu Sun, Lan-Ying Yang, Guang-Jin Chen
Summary: Utilizing multi-defective ice to construct porous CO2 hydrate can improve the efficiency of CH4-CO2 hydrate replacement, providing a new method for CH4 recovery and CO2 sequestration. Experimental results showed that the replacement efficiency at 272.15 K was significantly higher than at 268.15 K, confirming the feasibility of the replacement concept.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Materials Science, Multidisciplinary
T. Naidua, D. Qadir, R. Nasir, H. A. Mannan, H. Mukhtar, K. Maqsood, A. Ali, A. Abdulrahman
Summary: The study demonstrates that using moringa oleifera seeds as natural coagulants in pretreating palm oil mill effluent can significantly reduce biological oxygen demand, chemical oxygen demand, total suspended solids, and turbidity, with a slight increase in pH.
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK
(2021)
Article
Engineering, Environmental
Khuram Maqsood, Abulhassan Ali, Rizwan Nasir, Aymn Abdulrahman, Abdullah Bin Mahfouz, Anas Ahmed, Azmi B. M. Shariff, Saibal Ganguly, Muhammad Mubashir, Pau Loke Show
Summary: Cryogenic carbon dioxide capture technologies have shown promise in purifying highly sour natural gas reserves. However, more quantitative experimental data is needed to examine solid and liquid CO2 formation during cryogenic separation, along with the development of an economical and efficient cryogenic CO2 capture technology to reduce energy and hydrocarbon losses.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Article
Environmental Sciences
Khuram Maqsood, Abulhassan Ali, Suhaib Umer Ilyas, Sahil Garg, Mohd Danish, Aymn Abdulrahman, Saeed Rubaiee, Mustafa Alsaady, Abdulkader S. Hanbazazah, Abdullah Bin Mahfouz, Syahrir Ridha, Muhammad Mubashir, Hooi Ren Lim, Kuan Shiong Khoo, Pau Loke Show
Summary: The study utilizes response surface methodology and artificial neural network to model and optimize the thermal conductivity and viscosity of nanofluid, resulting in promising results. By exploring different objective functions, four case studies were conducted to achieve various goals, such as maximizing thermal conductivity and minimizing viscosity. Through adjusting temperature and NF weight percentage, the optimal thermal conductivity and viscosity values were found.
Article
Chemistry, Physical
Yuming Wu, Sahil Garg, Mengran Li, Mohamed Nazmi Idros, Zhiheng Li, Rijia Lin, Jian Chen, Guoxiong Wang, Thomas E. Rufford
Summary: This study investigates the impact of microporous layer (MPL) thickness on the electrochemical CO2 reduction reaction (CO2RR) performance of gas diffusion electrodes (GDEs) coated with silver nanoparticle catalysts. The results show that GDEs with the thickest MPL have the highest selectivity and stability for CO production at high current densities, while GDEs with thinner MPL achieve lower CO selectivity at low current densities. These findings suggest opportunities for improving CO2 electrolyzer performance by optimizing the MPL structure and wettability.
JOURNAL OF POWER SOURCES
(2022)
Article
Biochemistry & Molecular Biology
Rizwan Nasir, Humbul Suleman, Khuram Maqsood
Summary: The development of advanced carbon capture membranes uses promoters such as amines and fillers to enhance permeance and selectivity. Models based on experimental data can predict and guide membrane performance and secondary parameters.
Article
Environmental Sciences
Zarrar Salahuddin, Marghoob Ahmed, Sarah Farrukh, Abulhassan Ali, Sofia Javed, Arshad Hussain, Mohammad Younas, Sehar Shakir, Awais Bokhari, Sher Ahmad, Abdulkader S. Hanbazazah
Summary: This review focuses on the incorporation of various fillers into polymers to improve gas separation properties. It highlights the potential of hexagonal boron nitride (h-BN) as a replacement for conventional fillers, due to its high aspect ratio, good compatibility with polymers, enhanced gas barrier performance, and improved mechanical properties. The review also discusses mathematical models used to predict the performance of polymer composites in gas separation.
Article
Materials Science, Multidisciplinary
R. Nasir, A. S. Suhaimi, D. F. Mohshim, K. Maqsood, A. Alsaadi
Summary: This paper explores the potential of forward osmosis in treating produced water and measures the effectiveness of forward osmosis membranes in treating produced water from two different points in an oil and gas facility in Malaysia. The results indicate that forward osmosis can effectively treat produced water, with a rejection rate of over 80% for chemical oxygen demand and boron.
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK
(2022)
Article
Polymer Science
Mustafa Alsaady, Suhaib Umer Ilyas, Abulhassan Ali, Khuram Maqsood, Yuying Yan, Pau Loke Show
Summary: This study experimentally investigated the rheological characteristics of Fe3O4-SiC hybrid nanoparticles in heat transfer oil, and found that the nanofluid exhibited non-Newtonian and shear thinning behavior. Both response surface method and artificial neural network models were used to predict the viscosity, and showed good agreement with the experimental results.
JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS
(2022)
Correction
Chemistry, Physical
Sweta Balchandani, Bishnupada Mandal, Sahil Garg, Mengran Li, Swapnil Dharaskar
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Materials Science, Multidisciplinary
K. Maqsood, M. Alsaady
Summary: Fuel demand has increased due to motorization and industrial activities. Research and improvement of biodiesel manufacturing technologies are crucial for resolving ethical concerns and making biodiesel competitive with petroleum-based fuels. Biodiesel from waste cooking oil shows promise as a viable alternative.
MATERIALWISSENSCHAFT UND WERKSTOFFTECHNIK
(2022)
Article
Environmental Sciences
Khuram Maqsood, Asif Jamil, Anas Ahmed, Burhannudin Sutisna, Suzana Nunes, Mathias Ulbricht
Summary: Biogas is a clean and sustainable energy source that is widely available worldwide. In order to fully utilize the benefits of this cleaner resource, it is essential to remove other gases and enrich the methane content. This study explores the use of blend membranes composed of polyetherimide (PEI) and polyvinyl acetate (PVAc) to enhance the performance of methane enrichment. The results show that PVAc is an excellent option for expanding the separation performance of blended polymeric membranes for biogas enrichment.
Review
Chemistry, Multidisciplinary
Sahil Garg, Carlos A. Giron Rodriguez, Thomas E. Rufford, John R. Varcoe, Brian Seger
Summary: CO2 electrolysis and CO electrolysis have the potential for industrial applications in the sustainable production of carbon-based chemicals and fuels. However, the performance of these technologies is influenced by various parameters, with ion exchange membranes being one often-overlooked parameter. This article critically reviews the performance of ion exchange membranes in CO2 electrolysis, with a focus on critical issues related to anion exchange membranes.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Proceedings Paper
Materials Science, Multidisciplinary
Khuram Maqsood
Summary: This study utilizes nanofluids containing fly-ash nanoparticles dispersed in water to model and optimize the thermal and viscous temperature-dependent characteristics. The objective is to find the optimal fly-ash nanoparticle concentration and thermophysical properties.
MATERIALS TODAY-PROCEEDINGS
(2022)
Article
Chemistry, Applied
Abulhassan Ali, Khuram Maqsood, Aymn Abdulrahman, Ahmad S. Alsaadi, Abdullah Bin Mahfouz
Summary: High performance polymeric membrane technology is developing rapidly worldwide, and considerable efforts are focused on developing a polymer membrane for ultrafiltration or nanofiltration applications. The development of modified polyamide-66 polymer and its compatibility in wastewater is crucial for the advancement of membrane technology. Optimized conditions for membrane synthesis are critical for commercial viability.
CHEMICAL INDUSTRY & CHEMICAL ENGINEERING QUARTERLY
(2022)