Article
Chemistry, Physical
Aasif A. Dabbawala, Omer Elmutasim, Mark A. Baker, Georgios Siakavelas, Dalaver H. Anjum, Nikolaos D. Charisiou, Steven J. Hinder, Catherine J. Munro, Marko Gacesa, Maria A. Goula, Kyriaki Polychronopoulou
Summary: In this study, monometallic and bimetallic composite catalysts were synthesized and thoroughly characterized. The results showed that these composites exhibited excellent catalytic performance and stability, achieving good results in hydrodeoxygenation reactions.
APPLIED SURFACE SCIENCE
(2023)
Article
Chemistry, Physical
Mustika Ruangudomsakul, Nattawut Osakoo, Jatuporn Wittayakun, Chalermpan Keawkumay, Teera Butburee, Saran Youngjan, Kajornsak Faungnawakij, Yingyot Poo-arporn, Pinit Kidkhunthod, Pongtanawat Khemthong
Summary: This work investigates the catalytic hydrodeoxygenation of palm oil to produce green diesel using phosphides of nickel, cobalt, and copper as catalysts without support materials. The results show that Ni12P5 provides the highest yield of green diesel among the tested catalysts.
MOLECULAR CATALYSIS
(2022)
Article
Chemistry, Analytical
Jida Wang, Zhangshuai Ding, Feng Shi, Yifei Chen, Defa Hou, Fulin Yang, Can Liu, Yi Lu, Xu Lin, Zhifeng Zheng, Yunwu Zheng
Summary: An efficient CaO-MgO-promoting γ-Al2O3 decarboxylation catalyst was prepared via ball-milling method for regulating product distribution and production of hydrocarbons. The catalyst showed high selectivity in the catalytic copyrolysis of oleic acid and methanol. Factors influencing the reaction, reaction mechanisms, possible pathways, and deactivation mechanisms were investigated. Methanol addition enhanced biogasoline selectivity and reduced coke deposition.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Engineering, Chemical
Ioannis Nikolopoulos, George Kogkos, Chrysanthi Andriopoulou, Eleana Kordouli, Vassileios Dracopoulos, Kyriakos Bourikas, Christos Kordulis, Alexis Lycourghiotis
Summary: Cobalt-alumina catalysts with high cobalt loading were synthesized, and the most efficient catalyst for green diesel production was found to contain 55 wt% cobalt activated at 500 degrees C. The catalysts exhibited lower performance in the deoxygenation of waste cooking oil compared to sunflower oil, likely due to deactivation caused by coking and pore blockage.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2021)
Article
Engineering, Environmental
Yuyan Qiu, Fang Fu, Miao Hu, Pei Kang Shen, Jinliang Zhu
Summary: Metal phosphide@carbon nanowire arrays were synthesized using a chemically bonded approach. These arrays exhibited excellent performance as anode materials for sodium-ion batteries, with high area capacity and stability. The 3D foam structure of the arrays provided enhanced electrolyte penetration, Na+ diffusion, and electronic transfer.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Analytical
Shao-Bo Guo, Wei-Bin Zhang, Shan-Shan Chai, Xian-Li Zhang, Xia Zhou, Xue-Jing Ma
Summary: Transition metal phosphides, with high theoretical capacity and good redox ability, have been widely used as electrode materials in supercapacitors. Combining multiple types of transition metal phosphides can enhance the electrochemical performance. In this study, Co2P/NiCoP/Ni2P heterojunction was prepared and exhibited higher specific capacitance compared to its individual components. The assembled supercapacitor with Co2P/NiCoP/Ni2P as the positive electrode showed high energy density and maintained power density at 800 W kg(-1). Furthermore, it demonstrated good cycle stability with 90% of the initial specific capacitance maintained after 10,000 cycles.
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
(2023)
Article
Engineering, Environmental
Rungnapa Kaewmeesri, Jeeranan Nonkumwong, Worapon Kiatkittipong, Navadol Laosiripojana, Kajornsak Faungnawakij
Summary: A series of SAPO-11-supported monometallic Ni, Co and bimetallic NiCo catalysts were prepared and tested for deoxygenation of palm oil-derived FAMEs. It was found that the Co/Ni/SAPO-11 catalyst, with Co surface enrichment, exhibited the highest yield of diesel range fuel. The study showed that the synergy through Ni-Co alloying is an efficient approach to enhance the deoxygenation of palm oil-derived FAMEs to diesel-like hydrocarbon fuels.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Chemistry, Physical
Yu Zhang, Keke Xu, Bo Zhang, Shundong Guan, Xiuli Fu, Zhijian Peng
Summary: This study synthesized praseodymium-doped NiCoP nanowire arrays as electrocatalysts and found that the introduction of Pr can modulate the morphology and electrical conductivity, leading to exceptional HER performance. When the additive molar amount of Pr is 10%, the electrode exhibited the highest electrocatalytic activity.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Chemistry, Physical
Peter J. Topalian, Bo A. Carrillo, Paul M. Cochran, Michael F. Takemura, Mark E. Bussell
Summary: A series of Ni2-xRuxP/SiO2 catalysts were prepared spanning the full composition space, with Ru playing a key role in lowering the precursor reduction temperature and increasing the P content in the supported Ni2-xRuxP phase. Catalysts with higher Ru content exhibited significantly enhanced HDS activity and selectivity.
JOURNAL OF CATALYSIS
(2021)
Article
Electrochemistry
Yinling Wang, Nannan Ma, Mingli Fan, Wujian Tang
Summary: Research on transition metal phosphides shows that modification with phytate can enhance the hydrogen evolution reaction activity of electrocatalysts, with the performance of the modified electrocatalyst verified. Phytate-modified NiCo-S exhibits improved activity and stability.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Physical
Yili Wu, Zixiang Zhou, Qi Yao, Jinlian Wang, Yu Tian, Shuling Liu, Chao Wang
Summary: Nickel cobalt phosphide films (Ni-Co-P) were electrodeposited on carbon cloth substrates from a methyltriphenylphosphonium bromide-ethylene glycol deep eutectic solvent. The Ni-Co-P films have rough surfaces and abundant pores, showing high activity towards hydrogen evolution. The most active film achieves a current density of 10 mA cm-2 with an overpotential of 93 mV in 1 M KOH, and a Tafel slope of 48 mV dec-1. The high electrocatalytic activity is attributed to the enhanced intrinsic activity induced by electron interaction, promoting the hydrogen adsorption process at the electrochemically active sites. Ni-Co-P exhibits stable catalytic activity for HER.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Krishnan Shanmugam Anuratha, Ying-Zhou Su, Min-Kung Huang, Chien-Kuo Hsieh, Yaoming Xiao, Jeng-Yu Lin
Summary: This study demonstrated the direct growth of amorphous bimetallic NiCoP thin film on Ni foam substrate using electrodeposition for efficient binder-free cathode in HSCs. The optimized Ni0.5Co0.5P electrode exhibited superior capacitive features and high specific capacity, showing promising potential as electrode material for energy storage applications. The assembled HSC device with modified activated carbon anode and Ni0.5Co0.5P cathode displayed good cycling stability and high energy density.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Li He, Jiawei Li, Jing Cao, Xun Li, Xianfeng Feng, Jie Zhang, Ying Yang
Summary: A hybrid heterogeneous nanocomposite of copper and nickel phosphide has been successfully prepared, which broadens the linear range and enhances the sensitivity of glucose detection. The material has a unique mesoporous morphology and excellent anti-interference properties.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Diana Nelli, El Yakout El Koraychy, Manuella Cerbelaud, Benoit Crespin, Arnaud Videcoq, Alberto Giacomello, Riccardo Ferrando
Summary: The solidification of AgCo, AgNi, and AgCu nanodroplets in the size range of 2-8 nm was studied using molecular dynamics simulations. Despite the surface segregation of Ag in the bulk solid, the simulations revealed clear differences in the solidification pathways. AgCo and AgNi separate in the liquid phase and solidify close to equilibrium, while AgCu remains in a kinetically trapped state and solidifies in one step. An analytical model was used to rationalize these differences and analyze the size dependence of solidification temperatures.
Article
Geology
S. Horn, A. G. Gunn, E. Petavratzi, R. A. Shaw, P. Eilu, T. Tormanen, T. Bjerkgard, J. S. Sandstad, E. Jonsson, S. Kountourelis, F. Wall
Summary: The study examines the cobalt resources in Europe and reveals a wide distribution of various types of cobalt-bearing deposits across the continent. Current cobalt production in Europe is mainly concentrated in Finland, with three mines being the primary sources. The Fennoscandian Shield and the Caledonian Belt in Finland, Norway, and Sweden are high priority exploration areas for cobalt-bearing deposits.
ORE GEOLOGY REVIEWS
(2021)
Article
Energy & Fuels
Siripit Songtawee, Wasawat Kraithong, Chalida Klaysom, Kajornsak Faungnawakij
Summary: This study focuses on the production of 5-Hydroxymethylfurfural (HMF) from fructose dehydration using various organic acids as catalytic promoters. Acetic acid was found to be the most effective promoter in this system. The study also identified the optimum reaction conditions using response surface methodology.
BIOMASS CONVERSION AND BIOREFINERY
(2023)
Article
Thermodynamics
Sunalin Sattasathuchana, Jatuporn Parnthong, Saran Youngian, Kajornsak Faungnawakij, Pramoch Rangsunvigit, Boonyarach Kitiyanan, Rattabal Khunphonoi, Apirat Wanichsombat, Nurak Grisdanurak, Pongtanawat Khemthong
Summary: In this research, hydrothermal carbonization (HTC) was used to produce high-carbon content green solid fuel or bio-coal from palm shell and bamboo. By adjusting different biomass to water weight ratios, reaction temperatures, and reaction times, and adding organic and inorganic acids, bio-coal with high heating value was obtained. The study found that bio-coal can replace traditional biomass fuel, leading to savings in fuel storage space, transportation costs, and reduction in CO2 emissions.
APPLIED THERMAL ENGINEERING
(2023)
Article
Polymer Science
Soon-Chien Lu, Thakorn Wichidit, Thanitporn Narkkun, Kuo-Lun Tung, Kajornsak Faungnawakij, Chalida Klaysom
Summary: Aminosilane functionalization is used to improve the dispersion and adhesion of nano-sized zeolite Y (ZeY) particles in polyether block amide (Pebax). The addition of 5 wt.% of aminosilane-modified zeolite Y (Mo-ZeY) enhances the gas permeability and CO2/CH4 separation factor of Pebax mixed matrix composite hollow fiber membranes by over 100% and 35% respectively.
Article
Chemistry, Physical
Munsuree Kalong, Atthapon Srifa, Sakhon Ratchahat, Wanida Koo-amornpattana, Yingyot Poo-arporn, Wanwisa Limphirat, Pongtanawat Khemthong, Suttichai Assabumrungrat, Keiichi Tomishige, Sibudjing Kawi
Summary: In this study, different Ni to Fe molar ratios of as-synthesized gamma-Al2O3 supported-NiFe catalysts were used for the continuous hydrogenolysis of 5-hydroxymethylfurfural (5-HMF) to 2,5-dimethylfuran (2,5-DMF). The catalyst with a Ni to Fe molar ratio of 0.74: 0.97 showed the highest yield of 2,5-DMF compared to monometallic NiAl and FeAl catalysts. The comprehensive characterizations revealed the interaction and reduction behavior differences, as well as the increase in acidic sites due to the addition of Ni.
SUSTAINABLE ENERGY & FUELS
(2023)
Article
Nanoscience & Nanotechnology
Bunyarat Rungtaweevoranit, Ali M. M. Abdel-Mageed, Pongtanawat Khemthong, Srisin Eaimsumang, Khetpakorn Chakarawet, Teera Butburee, Benny Kunkel, Sebastian Wohlrab, Kittipong Chainok, Jakkapop Phanthasri, Suttipong Wannapaiboon, Saran Youngjan, Theerada Seehamongkol, Sarawoot Impeng, Kajornsak Faungnawakij
Summary: Catalytic partial oxidation of methane to methanol using O-2 as an oxidant is a challenging process. In this study, a Fe catalyst supported by a metal-organic framework (MOF), Fe/UiO-66, is reported for the selective and continuous partial oxidation of methane to methanol. The active site for the reaction is identified as electron-deficient Fe species rendered by the MOF support.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Ali M. Abdel-Mageed, Bunyarat Rungtaweevoranit, Sarawoot Impeng, Joachim Bansmann, Jabor Rabeah, Shilong Chen, Thomas Haering, Supawadee Namuangrak, Kajornsak Faungnawakij, Angelika Brueckner, R. Juergen Behm
Summary: Elucidating the reaction mechanism of CO oxidation using a molecularly defined copper single-atom catalyst supported by UiO-66 metal-organic framework (Cu/UiO-66) was achieved through a combination of in situ/operando spectroscopies, kinetic measurements, and density-functional-theory-based calculations. The study identified the active site, reaction intermediates, and transition states of the dominant reaction cycle, as well as changes in oxidation/spin state during the reaction. The reaction involves the continuous dissociation of adsorbed O-2, leading to the formation of an O atom connecting the Cu center with a neighboring Zr4+ ion as the rate-limiting step.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Analytical
Sudarat Sombatsri, Krittanun Deekamwong, Pongtanawat Khemthong, Sanchai Prayoonpokarach
Summary: An optical sensor was developed based on pyranine immobilized on aminopropyl-modified mesoporous silica films for the detection of paraquat in aqueous solutions. The films were deposited on fluorine-doped tin oxide glass using an electrochemically assisted self-assembly method. The fluorescence signal of the immobilized films was quenched in the presence of paraquat. The films modified with 3% APTES showed the optimum response to paraquat.
Article
Engineering, Environmental
Pongkarn Chakthranont, Sarinya Woraphutthaporn, Chotitath Sanpitakseree, Kasempong Srisawad, Kajornsak Faungnawakij
Summary: A scalable HMFOR process for continuous FDCA production has been developed, achieving unprecedented FDCA production rate and space-time yields. The process demonstrated exceptional stability and comparable quality to commercial products.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Issaraporn Rakngam, Pongtanawat Khemthong, Nattawut Osakoo, Chompoonut Rungnim, Saran Youngjan, Sutarat Thongratkaew, Aniwat Pengsawang, Bunyarat Rungtaweevoranit, Kajornsak Faungnawakij, Pinit Kidkhunthod, Narong Chanlek, Rattabal Khunphonoi, Sirinuch Loiha, Khongvit Prasitnok, Jatuporn Wittayakun
Summary: This study investigated the influence of Al-SBA-15-supported phosphates of Cr, Zr, Nb, Sr, and Sn on glucose conversion to 5-HMF, and found that the CrPO/Al-SBA-15 catalyst exhibited the best performance. The phosphate-to-chromium ratio and optimum reaction conditions were also identified as critical factors affecting catalyst activity.
Article
Chemistry, Multidisciplinary
Surached Thongboon, Chattathip Muenchanama, Ravinnipa Chanthanumatt, Manop Charoenchaitrakool, Kandis Sudsakorn, Paweena Prapainainar, Supacharee Roddecha, Metta Chareonpanich, Kajornsak Faungnawakij, Anusorn Seubsai
Summary: A cellulose composite sheet loaded with silver nanoparticles was synthesized using pineapple leaves as the raw material. The composite sheet showed a visible color change upon exposure to hydrogen sulfide gas and had good accuracy and stability for detecting the gas.
Article
Chemistry, Multidisciplinary
Surached Thongboon, Thanaphat Chukeaw, Chalida Niamnuy, Supacharee Roddecha, Paweena Prapainainar, Metta Chareonpanich, Passakorn Kingwascharapong, Kajornsak Faungnawakij, Guenther Rupprechter, Anusorn Seubsai
Summary: Regenerated cellulose (RC) produced from waste pineapple leaves was used to develop a colorimetric sensor called Cu-PAN sheet (RCS), which changed color when exposed to H2S. Prediction curves with high accuracy for H2S concentrations were developed using a colorimeter method. The developed RCS showed excellent stability and could be used as an intelligent indicator of meat spoilage in food packaging.
Article
Multidisciplinary Sciences
Worapak Tanwongwan, Nuwong Chollacoop, Kajornsak Faungnawakij, Suttichai Assabumrungrat, Puritut Nakhanivej, Apiluck Eiad-ua
Summary: Zeolite, especially MCM-22 zeolite, is a promising material with excellent intrinsic properties for environmental solutions. In this study, a sustainable synthesis route of MCM-22 zeolite using natural resources as starting materials was demonstrated. The results showed that high purity MCM-22 zeolite can be obtained from rice husk silica and aluminosilicate gel extracted from kaolin. Evaluation of reaction time and RHS/ASG ratio on the crystallinity and surface area of MCM-22 was conducted, and the optimal product exhibited desired acidity. Rating: 8/10.
Article
Chemistry, Multidisciplinary
Thitiwut Sukprom, Pooripong Somchuea, Sarannuch Sringam, Thongthai Witoon, Metta Chareonpanich, Pawin Iamprasertkun, Kajornsak Faungnawakij, Gunther Rupprechter, Anusorn Seubsai
Summary: This study investigated the direct conversion of methane (CH4) to value-added hydrocarbons (C2+) using a hybrid catalyst. The hybrid catalyst consisted of Ni/Al2O3 as the first catalyst layer to convert CH4 to carbon monoxide and K-Co/Al2O3 as the second catalyst layer to convert carbon monoxide to C2+. The hybrid catalyst exhibited effective performance at a relatively low temperature of 490 degrees C, compared to other catalysts used in methane oxidative coupling reactions. The study explored the effects of different operating conditions and found that the highest C2+ yield of 4.3% was achieved at a reactor temperature of 490 degrees C. The addition of K promoter played a crucial role in enhancing C2+ formation. The proposed mechanism for the reaction using the hybrid catalyst was described, and the stability of the catalyst was observed to be excellent during a 24-hour time-on-stream test.
REACTION CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Applied
Natcha Boonchai, Wiyada Mongkolthanaruk, Viyada Harnchana, Kajornsak Faungnawakij, Supree Pinitsoontorn
Summary: By chemically functionalizing bacterial cellulose films through phosphorylation and sulfonation processes, the performance of bio-TENG can be improved. The modification results in a rougher and denser surface of BC, leading to enhanced output performance.
BIOINTERFACE RESEARCH IN APPLIED CHEMISTRY
(2022)
