Article
Chemistry, Multidisciplinary
Jose de Jesus Agustin Flores Cuautle, Oscar Osvaldo Sandoval Gonzalez, Carlos Omar Gonzalez Moran, Jose Pastor Rodriguez Jarquin, Citlalli Jessica Trujillo Romero, Gemima Lara Hernandez
Summary: Adding different percentages of vegetable oils to machinery oil affects the thermal properties of the resulting fluids, showing a linear relationship between the percentage of vegetable oil and thermal diffusivity. This suggests that the thermal properties can be adjusted by using different types of vegetable oils in suitable proportions.
APPLIED SCIENCES-BASEL
(2021)
Article
Chemistry, Physical
Eduardo O. Gomes, Amanda F. Gouveia, Lourdes Gracia, Alvaro Lobato, J. Manuel Recio, Juan Andres
Summary: This study explores the correlation between phase transitions in SnMoO4 and SnMo1-xWxO4 solid solutions, demonstrating the importance of the chemical pressure approach for property control in functional materials. The research reveals the potential of tuning material properties through the Mo/W substitution process.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Article
Engineering, Chemical
Bita Fattahi, Mohammad Haghighi, Behgam Rahmanivahid, Neda Vardast
Summary: In this study, a series of metal oxide-loaded Mg-spinel nanocatalysts were synthesized and characterized. Among them, Li2O/MgAl2O4 showed good catalytic activity and reusability.
CHEMICAL ENGINEERING RESEARCH & DESIGN
(2022)
Article
Food Science & Technology
Otmar Spring
Summary: Sunflower oil is valued for its high content of unsaturated fatty acids, vitamin E, and phytosterols, as well as the presence of bioactive sesquiterpene lactones. Recent analysis found costunolide, dehydrocostuslactone, 8-epixanthatin, and tomentosin in commercially available sunflower oils, highlighting their potential implications for nutrition and cosmetics.
LWT-FOOD SCIENCE AND TECHNOLOGY
(2021)
Article
Engineering, Environmental
Pierre Albrand, Carine Julcour, Florian Veyrine, Anne-Marie Billet
Summary: In this study, a kinetic model for sunflower oil hydrogenation on a palladium catalyst was proposed based on Horiuty-Polanyi type mechanism, considering either dissociative or associative adsorption of hydrogen. The kinetic parameters were identified through batch slurry hydrogenations, and statistical analysis was used to select the most suitable adsorption mechanism for H-2. The evaluation of the Weisz-Prater modulus indicated limitations to intraparticle diffusion despite the particle diameter not exceeding 40 μm.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Food Science & Technology
Susana Gonzalez-Ramila, Raquel Mateos, Joaquin Garcia-Cordero, Miguel A. Seguido, Laura Bravo-Clemente, Beatriz Sarria
Summary: The study found that regular consumption of olive pomace oil (OPO) can reduce total cholesterol, LDL cholesterol, and waist circumference. It also found that malondialdehyde levels decreased after OPO intake in healthy subjects. In contrast, the consumption of sunflower oil led to an increase in apolipoprotein B and the apolipoprotein B/Apo A ratio. OPO intake may improve cardiometabolic risk in both healthy and hypercholesterolemic subjects.
Review
Engineering, Environmental
Arijit Dutta Gupta, Eldon R. Rene, Balendu Shekhar Giri, Ashok Pandey, Harinder Singh
Summary: The presence of arsenic in water is a widespread issue worldwide due to its toxicity and carcinogenic nature. Metal oxides with specific affinities and high surface areas have shown promise as effective adsorbents and photocatalysts for arsenic removal. Various mechanisms including surface migration, deprotonation, oxidation, redox reactions, ligand exchange, and charge complexations are involved in the process of arsenic removal with metal oxides as heterostructures. The review critically analyzes the synthesis, application, and mechanisms of arsenic removal, while also exploring future scopes and challenges for achieving arsenic-free water solutions.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Energy & Fuels
Maryam Afsharizadeh, Mohsen Mohsennia
Summary: A new type of rare-earth metal oxides-zirconia nanocatalysts were synthesized and applied for biodiesel production, with the highest transesterification yield achieved under specific catalyst composition and calcination temperature conditions.
Article
Chemistry, Physical
Yuichi Okazaki, Yushi Fujita, Hidenobu Murata, Naoki Masuyama, Yusuke Nojima, Hidekazu Ikeno, Shunsuke Yagi, Ikuya Yamada
Summary: This study achieved the fast and efficient design of perovskites with high OER catalytic activity using Bayesian optimization, revealing the relationship between chemical compositions and catalytic activities, as well as discovering the promoting effect of non-active elements on catalytic activities.
CHEMISTRY OF MATERIALS
(2022)
Article
Chemistry, Physical
Yu Ye, Haoji Wang, Huaxin Liu, Yinger Xiang, Lu Liu, Wentao Deng, Guoqiang Zou, Youcai Liu, Hongshuai Hou, Xiaobo Ji
Summary: This study proposes a new approach to construct porous pomegranate-like MOs/CDs composites based on the CDs-induced mechanism. The universality of this method is demonstrated by successfully preparing SnO2/CDs, Cu2O/CDs, and Fe2O3/CDs composites. The SnO2/CDs composite exhibits high lithium storage capacity, excellent cycling stability, and a unique capacity increase feature. This research provides a new idea for designing metal oxides materials using CDs and expands the application of CDs in material synthesis.
Article
Chemistry, Physical
Yuwei Qiu, Bo Yuan, Hua Mi, Jung-Hoon Lee, Shang-Wei Chou, Yung-Kang Peng
Summary: This study resolves the debate on the activity of Fe3O4 nanoparticles as peroxidase mimetics and provides an atomic view into their origin. The redox between H2O2 and Fe(II) sites on the Fe3O4 surface was identified as the key step in producing OH radicals.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2022)
Review
Chemistry, Inorganic & Nuclear
Ruksana Shaik, Roopa Kishore Kampara, Amit Kumar, Chandra Shekhar Sharma, Mahesh Kumar
Summary: With industrial escalation, air toxicity increases, leading to a decline in air quality. Monitoring environmental pollutants is essential for protecting animals and humans, as dangerous gases like NH3, H2S, CO2, etc., can cause fatal diseases.
COORDINATION CHEMISTRY REVIEWS
(2022)
Article
Chemistry, Multidisciplinary
Yingang Gui, Zhicheng Liu, Chang Ji, Lingna Xu, Xianping Chen
Summary: This study systematically investigated the adsorption behavior of CuO-GeSe, NiO-GeSe, and Ag2O-GeSe towards CO, CH4, C2H2, and C2H4 in transformer oil using DFT. The results provide insights into the interaction between modified monolayers and gases, and offer a theoretical basis for the application of gas sensors in DGA.
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
(2022)
Article
Green & Sustainable Science & Technology
Dengke Xi, Feng Qi, Rusen Zhou, Xianhui Zhang, Zhi Fang, Renwu Zhou, Kostya (Ken) Ostrikov, Size Yang
Summary: Due to limited processing techniques, much sewage sludge is not treated effectively, leading to pollution and resource waste. This study successfully converted sewage sludge into biocrude and fly ash-like residue using plasma-electrolytic technology. The resulting crude oil had low N and S content and high heating value, while the residue showed similar properties to fly ash and met the national standard for preparation of paving blocks. This plasma-enabled approach provides a viable option for biomass and waste utilization, with significant socioeconomic and environmental benefits.
SUSTAINABLE MATERIALS AND TECHNOLOGIES
(2023)
Article
Chemistry, Physical
Yungui Li, Xiaoxu Jing, Qingqing Li, Yi Shen, Qile Fang
Summary: Two well-defined CoFe bimetal oxides were prepared and explored for phosphate removal. Among them, CoFeST300 exhibited higher adsorption capacity, affinity, and selectivity for phosphate compared to other products. Multiple treatments of actual sewage confirmed the promising potential of the fabricated adsorbent for phosphorus removal.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Article
Biochemistry & Molecular Biology
Rajendran Lakshmidevi, Nagarajan Nagendra Gandhi, Karuppan Muthukumar
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
(2020)
Article
Chemistry, Physical
Madhumitha Rajakumar, Matheswaran Manickam, Nagarajan Nagendra Gandhi, Karuppan Muthukumar
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2020)
Article
Energy & Fuels
Gebresilassie Asnake Ewunie, John Morken, Zerihun Demrew Yigezu
Summary: The methane yield of Jatropha press cake was effectively increased by alkaline pretreatment and co-digesting with crude glycerol, with alkaline pretreatment being relatively more effective.
BIOMASS CONVERSION AND BIOREFINERY
(2021)
Article
Energy & Fuels
Rajendran Lakshmidevi, Nagarajan Nagendra Gandhi, Karuppan Muthukumar
Summary: This study investigates the influence of immobilized bacterial anode on the performance of algal-assisted microbial fuel cell (AAMFC) that treats dairy wastewater. The results show that using immobilized bacteria can improve power density, COD removal, and VFA recovery in the fuel cell.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Biotechnology & Applied Microbiology
Lakshmidevi Rajendran, Nagendra Gandhi Nagarajan, Muthukumar Karuppan
BIOCHEMICAL ENGINEERING JOURNAL
(2020)
Article
Energy & Fuels
Khadeeja Parveen Kallarakkal, Karuppan Muthukumar, Arun Alagarsamy, Arivalagan Pugazhendhi, Samsudeen Naina Mohamed
Summary: Biobutanol is a renewable eco-friendly fuel with high energy input potential. Increasing carbohydrate content in algal biomass can boost biobutanol production, as demonstrated by experimental results showing higher production efficiency under deprived conditions. The study highlights the compatibility of Oscillatoria sp. in wastewater with nutrient alterations for biobutanol production.
Article
Energy & Fuels
Gebresilassie Asnake Ewunie, Zerihun Demrew Yigezu, John Morken
Summary: Jatropha curcas fruit shell (JCFS) can be a potential substrate for biogas production, but suitable pretreatment techniques are needed to enhance its biodegradability and methane yield. Mechanical pretreatment showed the highest methane yield increment, while steam explosion (SE) and alkaline pretreatments also had positive effects, though less effective.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Review
Green & Sustainable Science & Technology
Gebresilassie Asnake Ewunie, John Morken, Odd Ivar Lekang, Zerihun Demrew Yigezu
Summary: The scarcity, insecurity, and environmental impact of fossil fuel-based energy consumption have led to an increased interest in alternative energy resources. Biodiesel is seen as a promising renewable energy source, but production from edible oil crops poses a threat to food supplies. Efforts to explore non-edible oil-bearing energy crops like Jatropha have faced challenges in achieving sustainable biodiesel production due to various ecological, socioeconomic, legislative, and technological factors.
RENEWABLE & SUSTAINABLE ENERGY REVIEWS
(2021)
Article
Energy & Fuels
Berhanu Sugebo, Zerihun Demrew, Sisay Feleke, Mikias Biazen
Summary: This study optimized oil yield from rubber tree seed, determined its physicochemical properties, and synthesized biodiesel from the oil. The biodiesel had a maximum yield of 81.55% and met the fuel standards of ASTM6751 and EN590. Rubber seed oil was found to be a suitable feedstock for biodiesel production.
BIOMASS CONVERSION AND BIOREFINERY
(2021)
Article
Energy & Fuels
Gebresilassie Asnake Ewunie, Odd Ivar Lekang, John Morken, Zerihun Demrew Yigezu
Summary: The study investigated the potential and suitability of Jatropha curcas grown in different areas of Ethiopia for biodiesel production. Results showed significant variations in the dry weight proportion of J. curcas seeds, seed coats, and kernels across different growing ecologies, with oil contents and fatty acid composition meeting standards.
Article
Chemistry, Multidisciplinary
Kartikeya Shukla, A. Arunagiri, K. Muthukumar
Summary: This study synthesized glycerol and succinic acid-based polyesters and characterized them using various techniques. The addition of different dicarboxylic acids increased the thermal stability of poly (glycerol succinate). The hydrolytic degradation of polyesters was found to be influenced by the pH of the medium, with significant degradation occurring under basic conditions.
JOURNAL OF THE INDIAN CHEMICAL SOCIETY
(2023)
Article
Energy & Fuels
V. S. Neeraj, M. Yashwanth, B. Pavan Kalyan, Kartikeya Shukla, A. Arunagiri, K. Muthukumar
Summary: This study investigates the electrochemical degradation of commercial kitchen wastewater. The results show that the operating factors have a significant impact on COD reduction, with the optimum current density and electrolyte concentration being 2 A/dm2 and 2 g/L, respectively. The treatment is enhanced by incorporating mechanical stirring and ultrasound irradiation.
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
(2023)
Article
Engineering, Chemical
Ashvini More, V. S. Neeraj, A. Arunagiri, K. Muthukumar
Summary: This study investigated the treatment of synthetic dye wastewater using a sono-electrochemical reactor. The results showed that the addition of NaCl as a supporting electrolyte resulted in higher decolorization. Increasing the applied current density and decreasing the pH also improved the color removal. The sono-electrochemical process demonstrated better decolorization and COD reduction compared to the electrochemical process. The combined treatment under optimum conditions showed promising results in degrading recalcitrant compounds in wastewater.
INDIAN CHEMICAL ENGINEER
(2023)
Article
Energy & Fuels
Zerihun Demrew Yigezu, Tariku Olana Jawo
Summary: This study examined the impact of household energy sources on climate change, revealing high levels of firewood consumption and greenhouse gas emissions. The use of improved stoves can help save firewood and reduce forest degradation.
INTERNATIONAL JOURNAL OF SUSTAINABLE ENERGY
(2021)
Article
Green & Sustainable Science & Technology
Gebresilassie Asnake Ewunie, Zerihun Demrew Yigezu, John Morken
JOURNAL OF RENEWABLE AND SUSTAINABLE ENERGY
(2020)
Article
Chemistry, Analytical
Guanshuai Zhang, Shanjian Liu, Dongmei Bi, Zhisen He, Jia Liu, Yinjiao Liu
Summary: Hydrogen peroxide pretreatment was applied for fast pyrolysis of corn stalks, and it was found that the pretreatment effectively promoted lignin depolymerization and decreased the reaction activation energy. The pretreatment also increased the cellulose content and removed alkali and alkaline earth metals from the biomass. The pH of the hydrogen peroxide solution affected the removal of lignin and ash by the pretreatment, and the composition of bio-oil changed significantly, with a significant increase in the relative content of levoglucosan after pretreatment.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2024)
