Article
Engineering, Chemical
Jorge Alberto Garcia-Fajardo, David Antonio Flores-Mendez, Angela Suarez-Jacobo, Lilia Guadalupe Torres-Martinez, Miriam Granados-Vallejo, Rosa Isela Corona-Gonzalez, Guadalupe Maria Guatemala-Morales, Enrique Arriola-Guevara
Summary: This study aimed to fractionate orange essential oil (OEO) by distillation, both molecular and fractionated (hybrid), to obtain a D-Limonene-rich fraction. Physicochemical tests and gas chromatography combined with mass spectrometry were conducted to characterize the OEO. Molecular distillation achieved efficient recovery of oxygenated compounds, while fractional distillation favored the recovery of D-Limonene.
Article
Biochemistry & Molecular Biology
Huangxian Zhang, Ting Huang, Xiaoning Liao, Yaohong Zhou, Shangxing Chen, Jing Chen, Wanming Xiong
Summary: The extraction processes of essential oil from Cinnamomum camphora leaves by steam distillation and supercritical CO2 extraction were summarized and compared in this study. The results showed that supercritical CO2 extraction had a higher extraction rate and could selectively extract essential oil components.
Article
Chemistry, Applied
Fernanda de Melo Ramos, Vivaldo Silveira Junior, Ana Silvia Prata
Summary: This study compared powders produced by vacuum spray drying and conventional spray drying, finding that vacuum spray drying can achieve lower porosity and water adsorption at lower temperatures, but showed lower oxidative stability during accelerated shelf life tests.
Article
Agricultural Engineering
Shahida Anusha Siddiqui, Maximilian Julius Pahmeyer, Elham Assadpour, Seid Mahdi Jafari
Summary: This review presents recent advancements in the extraction and purification of D-limonene (DL), the main constituent of orange essential oil, from orange peel waste. Various techniques, such as the use of bio-based solvents, enhanced solvent extraction processes, improved distillation methods, and supercritical CO2 extraction, are discussed.
INDUSTRIAL CROPS AND PRODUCTS
(2022)
Article
Food Science & Technology
Sanaz Ghasemi, Elham Assadpour, Mohammad Saeed Kharazmi, Shima Jafarzadeh, Masoumeh Zargar, Seid Mahdi Jafari
Summary: Orange peel oil (OPO) was encapsulated within biopolymer nanocomposites to improve its bioavailability and stability. The encapsulation efficiency was in the range of 70-88%, and the nanoscale size of the particles was confirmed. The release profile of OPO differed under different pH and temperature conditions, with the Higuchi model providing the best fit to the experimental data. The encapsulated OPO showed promising characteristics for food flavoring applications.
Article
Biochemistry & Molecular Biology
Carmen M. S. Ambrosio, Gloria L. Diaz-Arenas, Leidy P. A. Agudelo, Elena Stashenko, Carmen J. Contreras-Castillo, Eduardo M. da Gloria
Summary: The study fractionated Brazilian Orange Terpenes (BOT) into four fractions, with F4 showing antibacterial activity and displaying the highest antioxidant activity among the fractions.
Article
Energy & Fuels
Mauricio Gaitan Espinosa, Mercedes Zavala-Arriaga, Patsy Ramirez-Gonzalez
Summary: This study proposes the use of D-Limonene as an alternative for enhanced oil recovery (EOR) and tests its effect on the viscosity and composition of two oils from the southeast basin of Mexico. The results show that D-Limonene can reduce the viscosity of oil and alter its composition. EOR tests on a sandstone rock with diluted D-Limonene achieved a significant oil recovery rate.
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING
(2022)
Review
Biotechnology & Applied Microbiology
Victor de M. Santos, Veronica M. A. Calado, Ninoska Bojorge
Summary: This study focuses on the modeling, simulation, and techno-economic analysis of extracting limonene and linalool from sweet orange peel using supercritical CO2. The study found the optimal conditions for extraction and analyzed the manufacturing cost, demonstrating the potential for transforming food industry residues into high-value products.
BIOFUELS BIOPRODUCTS & BIOREFINING-BIOFPR
(2022)
Article
Engineering, Chemical
Boliang Li, Binfei Li, Yunong Zang, Di Zhu, Zhaomin Li, Liwei Ruan
Summary: In this study, the effect of flue gas on steam distillation of heavy oil was investigated. The results showed that the yield of flue gas + steam distillation was 3.88% higher than that of pure steam distillation. Increasing steam superheat during flue gas-steam co-injection expanded the carbon number distribution range of the distillates and increased the distillation yield. The research findings are significant for understanding the mechanism of flue gas enhanced steam development of heavy oil.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Analytical
Shouhui Jiao, Zeliang Li, Jingxin Hu, Feng Wang, He Liu, Kun Chen, Aijun Guo, Lanyi Sun, Zongxian Wang, Bernard Wiafe Biney
Summary: In response to the market demand for high-value-added carbonaceous materials and the need for energy conservation and emission reduction, the utilization of FCC slurry oil (SO) in the preparation of these materials has been studied. Mild hydrogenation coupled with distillation as a pretreatment method improves the depth and yield of distillation, and transforms certain high-boiling components into naphthenoaromatic structures that can be further utilized. The carbonization performance of the treated oil varies with its properties, and a section of high-boiling components is found to be exploitable for the preparation of needle coke.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2022)
Article
Food Science & Technology
Aldrey Nathalia Ribeiro Correa, Patricia Weimer, Rochele Cassanta Rossi, Jessica Fernanda Hoffmann, Leticia Scherer Koester, Edna Sayuri Suyenaga, Cristiano Dietrich Ferreira
Summary: This study evaluates the inhibitory activities of D-limonene in the viral genome of SARS-CoV-2 and analyzes the cytotoxic potential and safety profile of D-limonene and lime and orange essential oils. The results suggest that D-limonene has potential for anti-SARS-CoV-2 research, and lime and orange essential oils, as well as their major compound, show antiviral potential. Further studies are needed to understand the antiviral mechanisms.
Article
Agronomy
Pattarapol Khamsaw, Chompunut Lumsangkul, Anuruddha Karunarathna, Nuttacha Eva Onsa, Sawaeng Kawichai, Bajaree Chuttong, Sarana Rose Sommano
Summary: This study assessed the quality of tangerine fruit peel oil and its effectiveness in preventing postharvest diseases caused by Penicillium digitatum and Colletotrichum gloeosporioides.
Article
Biology
Jorge Anaya-Gil, Adriana Cabarcas-Caro, Miguel Leyva-Ricardo, Jose Parra-Garrido, Ricardo Gaitan-Ibarra, Ricardo Vivas-Reyes
Summary: The study evaluated the effect of artificially altering the chemical composition of orange oil on its larvicidal action, finding that electric pulses modified the chemical composition and reduced the percentage of limonene, affecting the larvae-killing efficacy.
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
(2021)
Article
Energy & Fuels
William L. Luyben
Summary: Many distillation columns achieve process intensification by utilizing hot streams from other units to substitute for utility-supplied steam. This paper explores the dynamic control of dual-reboiler distillation columns and the modeling of the heat transfer in the hot-oil reboiler.
CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
(2022)
Article
Agriculture, Dairy & Animal Science
Leticia Carolina Bortolanza Soares, Alexandre Vaz Pires, Paulo Cesar Gonzales Dias Junior, Isabela Jorge dos Santos, Rhaissa Garcia de Assis, Flavio Perna Junior, Paulo Henrique Mazza Rodrigues, Janaina Socolovski Biava, Evandro Maia Ferreira, Daniel Montanher Polizel
Summary: The aim of this study was to evaluate the effect of orange essential oil supplementation on dry matter intake, ruminal fermentation, nutrient digestibility, and methane production in Nellore steers. The results showed that different doses of orange essential oil did not significantly affect dry matter intake and nutrient digestibility in the steers.
Article
Chemistry, Physical
Yolanda Sanchez-Palencia, David Bolonio, Marcelo F. Ortega, Maria-Jesus Garcia-Martinez, Jose Eugenio Ortiz, Fernando Rayo, Lucia Arregui, Susana Serrano, Juan F. Llamas, Laureano Canoira
Summary: This study aimed to eliminate iron minerals from kaolin waste dumps using chemical or biological methods. The chemical leaching process showed that time was the most influential variable, while the biological leaching resulted in less than 1% iron elimination.
CLAYS AND CLAY MINERALS
(2022)
Article
Environmental Sciences
Silvana Arias, John R. Agudelo, Francisco J. Molina, Emilio Llanos-Gonzalez, Francisco J. Alcain, Rosario Ballesteros, Magin Lapuerta
Summary: This study investigates the unregulated emissions in gas and particles from a Euro 6b diesel engine, operated with four unconventional and advanced biofuels, blended with diesel fuel and pure hydro -treated vegetable oil. The results show that carbonyl emissions were higher than gaseous PAH emissions at low-speed phase, and both gas and particle emissions contribute to the toxicity associated with carcinogenic PAH.
Article
Energy & Fuels
Gonzalo Suanes, David Bolonio, Antonio Cantero
Summary: Climate change and the depletion of fossil fuels have created an urgency to find alternatives to oil-based fuels in internal combustion engines. Biomass provides a potential solution, but requires the development of specific engines as current engines cannot burn solid biomass. This study introduces a new thermodynamic cycle for a biomass-fueled engine, which differs significantly from the Otto cycle. The results demonstrate higher pressure and temperature in the biomass-fueled cycle, but importantly, the cycle efficiency does not increase consistently with compression ratio, indicating the need for optimized engine design.
Review
Green & Sustainable Science & Technology
Cornelis Bumharter, David Bolonio, Isabel Amez, Maria Jesus Garcia Martinez, Marcelo F. Ortega
Summary: Despite the predominance of biogas plants in the EU, the potential for converting waste streams remains largely untapped. Analysis of EU databases reveals that only 2.65% of biogas is being produced compared to what is possible. The current legislative landscape and biogas outlook indicate the need for small-scale local biogas plants to address the uneconomical nature of waste systems due to high transport distances.
JOURNAL OF CLEANER PRODUCTION
(2023)
Review
Energy & Fuels
Magin Lapuerta, Indira Tobio-Perez, Marianela Ortiz-Alvarez, David Donoso, Laureano Canoira, Ramon Piloto-Rodriguez
Summary: The production and use of terpene-based fuels as a renewable source of energy in the transportation sector, especially in aviation, is explored in this study. The main chemical processes, catalyst types, operating conditions, and performance for transforming terpenes into valuable fuels or additives are investigated, with a focus on heterogeneous catalysis. Isomerization, using a-pinene as the main catalyst, is found to be the most commonly applied pathway to improve fuel properties. The production and commercialization challenges of terpene-derived fuels and their feasibility are also discussed, including the need for new catalysts and reducing production costs, which are dependent on oil prices.
Article
Green & Sustainable Science & Technology
Magin Lapuerta, Jose Rodriguez-Fernandez, Angel Ramos, David Donoso, Laureano Canoira
Summary: Waste terpenes from paper, pine, and citric industries can be used in diesel blends after hydrogenation to reduce sooting tendency. Blends of hydrogenated turpentine and orange oil at 20 vol % were tested in a diesel engine, showing similar performance, increased CO and HC emissions, and unchanged NOx emissions compared to diesel. While particle number emissions were similar to diesel, particle mass emissions were reduced, indicating improved sooting tendency. Combustion characteristics were similar, with longer ignition delay and higher combustion velocity in the blends.
Article
Energy & Fuels
Laureano Canoira, David Donoso, David Bolonio, Cornelis Bumharter, Magin Lapuerta
Summary: This study investigates the potential of waste crude sulfate turpentine as a source for sustainable biofuels. By desulfurizing and hydrogenating the crude turpentine, its properties can be improved, although further improvements are still needed to meet specific requirements.
Article
Chemistry, Physical
David Bolonio, Maria Sanchez-Canales, Samantha Jimenez-Oyola, Marcelo F. Ortega, David Donoso, Maria-Jesus Garcia-Martinez, Magin Lapuerta, Laureano Canoira
Summary: Biojet fuels can significantly reduce GHG emissions in the aviation industry, and this study demonstrates the cost competitiveness of biojet fuel obtained from the distillation of pine resin. By evaluating life cycle and environmental costs, the research shows the potential for blending biojet fuel with traditional jet fuel to reduce environmental impacts.
SUSTAINABLE ENERGY & FUELS
(2022)
Article
Green & Sustainable Science & Technology
Cameron Bracken, Nathalie Voisin, Casey D. Burleyson, Allison M. Campbell, Z. Jason Hou, Daniel Broman
Summary: This study presents a methodology and dataset for examining compound wind and solar energy droughts, as well as the first standardized benchmark of energy droughts across the Continental United States (CONUS) for a 2020 infrastructure. The results show that compound wind and solar droughts have distinct spatial and temporal patterns across the CONUS, and the characteristics of energy droughts are regional. The study also finds that compound high load events occur more often during compound wind and solar droughts than expected.
Article
Green & Sustainable Science & Technology
Ning Zhang, Yanghao Yu, Jiawei Wu, Ershun Du, Shuming Zhang, Jinyu Xiao
Summary: This paper provides insights into the optimal configuration of CSP plants with different penetrations of wind power by proposing an unconstrained optimization model. The results suggest that large solar multiples and TES are preferred in order to maximize profit, especially when combined with high penetrations of wind and photovoltaic plants. Additionally, the study demonstrates the economy and feasibility of installing electric heaters (EH) in CSP plants, which show a linear correlation with the penetration of variable energy resources.
Article
Green & Sustainable Science & Technology
M. Szubel, K. Papis-Fraczek, S. Podlasek
Article
Green & Sustainable Science & Technology
J. Silva, J. C. Goncalves, C. Rocha, J. Vilaca, L. M. Madeira
Summary: This study investigated the methanation of CO2 in biogas and compared two different methanation reactors. The results showed that the cooled reactor without CO2 separation achieved a CO2 conversion rate of 91.8%, while the adiabatic reactors achieved conversion rates of 59.6% and 67.2%, resulting in an overall conversion rate of 93.0%. Economic analysis revealed negative net present worth values, indicating the need for government monetary incentives.
Article
Green & Sustainable Science & Technology
Yang Liu, Yonglan Xi, Xiaomei Ye, Yingpeng Zhang, Chengcheng Wang, Zhaoyan Jia, Chunhui Cao, Ting Han, Jing Du, Xiangping Kong, Zhongbing Chen
Summary: This study investigated the effect of using nanofiber membrane composites containing Prussian blue-like compound nanoparticles (PNPs) to relieve ammonia nitrogen inhibition of rural organic household waste during high-solid anaerobic digestion and increase methane production. The results showed that adding NMCs with 15% PNPs can lower the concentrations of volatile fatty acids and ammonia nitrogen, and increase methane yield.
Article
Green & Sustainable Science & Technology
Zhong Ge, Xiaodong Wang, Jian Li, Jian Xu, Jianbin Xie, Zhiyong Xie, Ruiqu Ma
Summary: This study evaluates the thermodynamic, exergy, and economic performance of a double-stage organic flash cycle (DOFC) using ten eco-friendly hydrofluoroolefins. The influences of key parameters on performance are analyzed, and the advantages of DOFC over single-stage type are quantified.
Article
Green & Sustainable Science & Technology
Nicolas Kirchner-Bossi, Fernando Porte-Agel
Summary: This study investigates the optimization of power density in wind farms and its sensitivity to the available area size. A novel genetic algorithm (PDGA) is introduced to optimize power density and turbine layout. The results show that the PDGA-driven solutions significantly reduce the levelized cost of energy (LCOE) compared to the default layout, and exhibit a convex relationship between area and LCOE or power density.
Article
Green & Sustainable Science & Technology
Chunxiao Zhang, Dongdong Li, Lin Wang, Qingpo Yang, Yutao Guo, Wei Zhang, Chao Shen, Jihong Pu
Summary: In this study, a novel reversible liquid-filled energy-saving window that effectively regulates indoor solar radiation heat gain is proposed. Experimental results show that this window can effectively reduce indoor temperature during both summer and winter seasons, while having minimal impact on indoor illuminance.
Article
Green & Sustainable Science & Technology
Alessandro L. Aguiar, Martinho Marta-Almeida, Mauro Cirano, Janini Pereira, Leticia Cotrim da Cunha
Summary: This study analyzed the Brazilian Equatorial Shelf using a high-resolution ocean model and found significant tidal variations in the area. Several hypothetical barrages were proposed with higher annual power generation than existing barrages. The study also evaluated the installation effort of these barrages.
Article
Green & Sustainable Science & Technology
Francesco Superchi, Nathan Giovannini, Antonis Moustakis, George Pechlivanoglou, Alessandro Bianchini
Summary: This study focuses on the optimization of a hybrid power station on the Tilos island in Greece, aiming to increase energy export and revenue by optimizing energy fluxes. Different scenarios are proposed to examine the impact of different agreements with the grid operator on the optimal solution.
Article
Green & Sustainable Science & Technology
Peimaneh Shirazi, Amirmohammad Behzadi, Pouria Ahmadi, Sasan Sadrizadeh
Summary: This research presents two novel energy production/storage/usage systems to reduce energy consumption and environmental effects in buildings. A biomass-fired model and a solar-driven system integrated with photovoltaic thermal (PVT) panels and a heat pump were designed and assessed. The results indicate that the solar-based system has an acceptable energy cost and the PVT-based system with a heat pump is environmentally superior. The biomass-fired system shows excellent efficiency.
Article
Green & Sustainable Science & Technology
Zihao Qi, Yingling Cai, Yunxiang Cui
Summary: This study aims to investigate the operational characteristics of the solar-ground source heat pump system (SGSHPS) in Shanghai under different operation modes. It concludes that tandem operation mode 1 is the optimal mode for winter operation in terms of energy efficiency.
Article
Green & Sustainable Science & Technology
L. Bartolucci, S. Cordiner, A. Di Carlo, A. Gallifuoco, P. Mele, V. Mulone
Summary: Spent coffee grounds are a valuable biogenic waste that can be used as a source of biofuels and valuable chemicals through pyrolysis and solvent extraction processes. The study found that heavy organic bio-oil derived from coffee grounds can be used as a carbon-rich biofuel, while solvent extraction can extract xantines and p-benzoquinone, which are important chemicals for various industries. The results highlight the promising potential of solvent extraction in improving the economic viability of coffee grounds pyrolysis-based biorefineries.
Article
Green & Sustainable Science & Technology
Luiza de Queiroz Correa, Diego Bagnis, Pedro Rabelo Melo Franco, Esly Ferreira da Costa Junior, Andrea Oliveira Souza da Costa
Summary: Building-integrated photovoltaics, especially organic solar technology, are important for reducing greenhouse gas emissions in the building sector. This study analyzed the performance of organic panels laminated in glass in a vertical installation in Latin America. Results showed that glass lamination and vertical orientation preserved the panels' performance and led to higher energy generation in winter.
Article
Green & Sustainable Science & Technology
Zhipei Hu, Shuo Jiang, Zhigao Sun, Jun Li
Summary: This study proposes innovative fin arrangements to enhance the thermal performance of latent heat storage units. Through optimization of fin distribution and prediction of transient melting behaviors, it is found that fin structures significantly influence heat transfer characteristics and melting behaviors.
