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Journal articles on the topic 'Sunflower biodiesel'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Tavares, M. L. A., N. Queiroz, I. M. G. Santos, et al. "Sunflower biodiesel." Journal of Thermal Analysis and Calorimetry 106, no. 2 (2011): 575–79. http://dx.doi.org/10.1007/s10973-011-1357-4.

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2

Simbi, Ines, Uyiosa Osagie Aigbe, Oluwaseun Oyekola, and Otolorin Adelaja Osibote. "Catalyst and Elemental Analysis Involving Biodiesel from Various Feedstocks." Catalysts 11, no. 8 (2021): 971. http://dx.doi.org/10.3390/catal11080971.

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The world is currently faced with the depletion of fossil fuel energy sources and their use is associated with environmental pollution. This has triggered the need to seek alternative energy sources that are renewable, sustainable and environmentally benign. Biodiesel, an alternative fuel of interest, is obtainable from biomass feedstocks. In existing biodiesel fuel, there are concerns that it is a contaminant due to its elemental contents, which over time also affect its quality. This study aimed to investigate the influence of a bifunctional catalyst on the conversion of free fatty acids and

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3

Gąsiorek, Elżbieta, and Marta Wilk. "Possibilities of utilizing the solid by-products of biodiesel production - a review." Polish Journal of Chemical Technology 13, no. 1 (2011): 58–62. http://dx.doi.org/10.2478/v10026-011-0012-y.

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Possibilities of utilizing the solid by-products of biodiesel production - a review As a consequence of the intended rise in the volume of the biodiesel produced by the member states of the European Union, predominantly from rapeseeds and sunflower seeds, the quantity of the by-products being generated, e.g. glycerol, rapeseed/sunflower seed straw and rapeseed/sunflower seed meal, will increase dramatically. It is therefore recommendable to find effective methods for their processing or utilization in order to reduce the costs of biodiesel production without polluting the environment by excess

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4

Amanbayev, Daler, Joshua Ayinbora, and Low Ke Xin. "Biodiesel Production from Sunflower Oil." Advanced Materials Research 1097 (April 2015): 63–68. http://dx.doi.org/10.4028/www.scientific.net/amr.1097.63.

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Southern Africa is composed of some of the poorest countries in the world. The energy demand in these countries compels them to spend millions of dollars in the purchases of mineral oil and gas to meet their demands while these countries have the ability to produce their own sources of energy from biodiesel. The most common way to produce biodiesel is via trans-esterification process which refers to a catalyzed chemical reaction involving vegetable oil and methanol to yield fatty acid methyl esters (biodiesel). Research has proven that the use of sunflower as a feedstock for biodiesel producti

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5

Pal, Sunder Lal, Shourabh Singh Raghuwanshi, Kanti Kumar Athankar, and Ashwani Kumar Rathore. "Evaluation of Distribution of Succinic Acid between Binary Phase System with Biodiesel + N,N-Dioctyloctan-1-amine." International Journal of Chemical Engineering 2019 (June 18, 2019): 1–6. http://dx.doi.org/10.1155/2019/9346038.

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The present study is aimed at using one of the most promising methods called reactive extraction to extract succinic acid from aqueous solution by using N,N-dioctyloctan-1-amine in biodiesel as diluent made from sunflower oil, rice bran oil, sesame oil, and karanji oil. The results of extraction studies with the diluents (physical) showed their inability to recover any acid by themselves. In reactive extraction, the organic phase extracting power solely depends on tri-n-octylamine. The ranges of the distribution coefficient are found as 7.62–18.12 for sunflower oil biodiesel, 8.33–17.45 for ri

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6

Dumitru, Mihaela Gabriela. "Degumming Role of Sunflower Oil (Helianthus annuus) on Biodiesel Quality." Revista de Chimie 70, no. 1 (2019): 54–58. http://dx.doi.org/10.37358/rc.19.1.6850.

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Biodiesel, known as fatty acid methyl ester, has become more attractive as an alternative fuel for diesel engine because of its environmental benefits and the fact that it is made from renewable resources such as vegetable oil and animal fats by reacting them with short chain alcohols. Biodiesel has become increasingly important due to the following advantages: it is renewable, biodegradable, non-toxic, and eco-friendly. Crude sunflower oil may be a cheap source for biodiesel production. However, it contains high amount of phosphorus, which can inhibit the action of the catalyst during transes

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7

Sterpu, Ancaelena-Eliza, Anca Iuliana Dumitru, and Mihai-Florinel Popa. "Corrosion behavior of steel in biodiesel of different origin." Analele Universitatii "Ovidius" Constanta - Seria Chimie 23, no. 2 (2012): 143–48. http://dx.doi.org/10.2478/v10310-012-0024-3.

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AbstractThis study aims to characterize the corrosion behavior of steel by static immersion tests in biodiesel obtained from three different types of vegetable oils (sunflower oil, rapeseed oil and corn oil) at room temperature for 49 days. At the end of the test, corrosion behavior was investigated by weight loss measurements and changes in physical and chemical properties of biodiesel. Biodiesel samples were analyzed to investigate density, dynamic viscosity, acidity index, refractive index and saponification index. Results showed that under the experimental conditions, steel was more suscep

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8

Costa, G. B., D. D. S. Fernandes, V. E. Almeida, et al. "Identification of biodiesel feedstock in biodiesel/diesel blends using digital images and chemometric methods." Analytical Methods 8, no. 24 (2016): 4949–54. http://dx.doi.org/10.1039/c6ay01158f.

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9

Ren, Jingzheng, Alessandro Manzardo, Anna Mazzi, Andrea Fedele, and Antonio Scipioni. "Emergy Analysis and Sustainability Efficiency Analysis of Different Crop-Based Biodiesel in Life Cycle Perspective." Scientific World Journal 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/918514.

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Biodiesel as a promising alternative energy resource has been a hot spot in chemical engineering nowadays, but there is also an argument about the sustainability of biodiesel. In order to analyze the sustainability of biodiesel production systems and select the most sustainable scenario, various kinds of crop-based biodiesel including soybean-, rapeseed-, sunflower-, jatropha- and palm-based biodiesel production options are studied by emergy analysis; soybean-based scenario is recognized as the most sustainable scenario that should be chosen for further study in China. DEA method is used to ev

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10

Mamilov, T., G. S. Aitkaliyeva, A. B. Ismailova, and M. A. Yelubay. "Vegetable oils – raw materials for producing biodiesel." Bulletin of Kazakh Leading Academy of Architecture and Construction 80, no. 2 (2021): 286–92. http://dx.doi.org/10.51488/1680-080x/2021.2-16.

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This paper presents the results of a study of the physical and chemical properties of samples of vegetable oils (sunflower, rapeseed, olive). It has been shown that the viscosity of oils varies from 41.4 to 61.7 cSt at a temperature of 40 ° C for olive and sunflower oils, respectively. The acid numbers of the oil samples were also determined, it was found that the lowest indicator is characteristic of sunflower oil. Pour points of oils also range from -3 to -16 ° C for olive and sunflower oils, respectively. Using the method of IR spectroscopy, functional groups in the composition of samples o

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11

Valencia Ochoa, Guillermo, Carlos Acevedo Peñaloza, and Jorge Duarte Forero. "Combustion and Performance Study of Low-Displacement Compression Ignition Engines Operating with Diesel–Biodiesel Blends." Applied Sciences 10, no. 3 (2020): 907. http://dx.doi.org/10.3390/app10030907.

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This study investigated the influence of different biodiesel blends produced from residual sunflower oil and palm oil from agroindustry liquid waste on the characteristics of the combustion process, performance, and emissions in a single-cylinder diesel engine. For the analysis of the combustion process, a diagnostic model was developed based on the cylinder pressure signal, which allows the calculation of the heat release rate, the accumulated heat rate, and the temperature in the combustion chamber. This is to assess the influence of these parameters on engine emissions. The experiments on t

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12

Jimenéz-Pacheco, Hugo, Javier Alonso Villegas Aragón, María del Carmen Camiña Pacheco, Gregorio Urbano Palma Figueroa, and Lilia Mary Miranda Ramos. "Characterization of Biodiesel from residual friture oil, sunflower, through the ethanolic base transesterification process." Veritas 20, no. 2 (2019): 55. http://dx.doi.org/10.35286/veritas.v20i2.243.

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The conservation of the environment is becoming a global concern for the use of fuels from fossil waste, and the production of biodiesel from renewable sources is being considered as an eco-friendly alternative since oleaginous organic waste presents potential as Energy condition An important aspect is to minimize the impacts generated by this waste under different conditions, and an operation related to the aspect is the elaboration and comparison of biodiesel obtained from residual frying oils with biodiesel produced with sunflower oil through the transesterification process based on ethanol

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13

Perveen, Shazia, Muhammad Asif Hanif, Razyia Nadeem, et al. "A Novel Route of Mixed Catalysis for Production of Fatty Acid Methyl Esters from Potential Seed Oil Sources." Catalysts 11, no. 7 (2021): 811. http://dx.doi.org/10.3390/catal11070811.

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Depleting petroleum resources coupled with the environmental consequences of fossil fuel combustion have led to the search for renewable alternatives, such as biodiesel. In this study, sunflower (Helianthus annus), mustard (Brassica compestres) and pearl millet (Pennisetum americanum) seed oils were converted into biodiesel (fatty acid methyl esters) by acid-, base- and lipase-catalyzed transesterification, and the resultant fuel properties were determined. The methyl esters displayed superior iodine values (102–139), low densities, and a high cetane number (CN). The highest yield of biodiesel

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14

Park, Kil J., Anna L. M. T. Pighinelli, Roseli A. Ferrari, and Ana M. R. O. Miguel. "High oleic sunflower biodiesel: quality control and different purification methods." Grasas y Aceites 62, no. 2 (2011): 171–80. http://dx.doi.org/10.3989/gya.067010.

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15

Britton, Joshua, and Colin L. Raston. "Continuous flow vortex fluidic production of biodiesel." RSC Adv. 4, no. 91 (2014): 49850–54. http://dx.doi.org/10.1039/c4ra10317c.

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16

Mitra, Soupayan, P. K. Bose, and Sudipta Choudhury. "Mathematical Modeling for the Prediction of Fuel Properties of Biodiesel from their FAME Composition." Key Engineering Materials 450 (November 2010): 157–60. http://dx.doi.org/10.4028/www.scientific.net/kem.450.157.

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The mono-alkyl esters of vegetable oils or animal fats, known as biodiesel have received significant attention as an alternative diesel fuel. In the present study fuel properties like viscosity, density and High Heat Value (HHV) of ten biodiesels namely Corn, Cottonseed, Linseed, Rapeseed, Safflower, Soybean, Sunflower, Mahua, Jatropha and Palm are predicted using their FAME ( Fatty Acid Methyl Ester) composition by regression analysis and the results obtained are compared and found to be in good agreement with reported literature values.

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17

van der Westhuizen, Isbé, and Walter W. Focke. "Stabilizing sunflower biodiesel with synthetic antioxidant blends." Fuel 219 (May 2018): 126–31. http://dx.doi.org/10.1016/j.fuel.2018.01.086.

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18

Sendžikienė, Eglė, Violeta Makarevičienė, and Kiril Kazancev. "APPLICATION OF DOLOMITE AS A HETEROGENEOUS CATALYST OF BIODIESEL SYNTHESIS." Transport 33, no. 5 (2018): 1155–61. http://dx.doi.org/10.3846/transport.2018.6723.

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Some of the more recent methods of obtaining biodiesel are based on heterogeneous catalysis, which has the advantage of multiple uses of a catalyst. Natural minerals, such as dolomite, opoca and serpentinites, could be promising for use in biodiesel synthesis. The purpose of this study was to optimise the reaction conditions for biodiesel synthesis from sunflower oil and methanol using dolomite as a catalyst. Optimum reaction conditions for the transesterification of sunflower oil with methanol, using dolomite calcined at the temperature of 850 °C, have been identified: the amount of the catal

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19

Milina, R., Z. Mustafa, D. Bojilov, S. Dagnon, and M. Moskovkina. "Determination and discrimination of biodiesel fuels by gas chromatographic and chemometric methods." Acta Scientifica Naturalis 3, no. 1 (2016): 26–33. http://dx.doi.org/10.1515/asn-2016-0004.

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Abstract Pattern recognition method (PRM) was applied to gas chromatographic (GC) data for a fatty acid methyl esters (FAME) composition of commercial and laboratory synthesized biodiesel fuels from vegetable oils including sunflower, rapeseed, corn and palm oils. Two GC quantitative methods to calculate individual fames were compared: Area % and internal standard. The both methods were applied for analysis of two certified reference materials. The statistical processing of the obtained results demonstrates the accuracy and precision of the two methods and allows them to be compared. For furth

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20

Al-Tabbakh, Dr Ban A., Sattar J. Hussein, and Zena A. Hadi. "Biodiesel Production using Synthesized HY Zeolite Catalyst." Journal of Petroleum Research and Studies 11, no. 3 (2021): 1–18. http://dx.doi.org/10.52716/jprs.v11i3.529.

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Biodiesel was produced using oleic acid esterification and transesterification of the sunflower oil methods. Many different factors affecting production procedures were studied such as reaction temperature, the molar ratio of ethanol to oil, reaction time and concentration of HY catalyst. Different techniques such as TGA, FTIR and Mass spectroscopy were used to syntheses biodiesel. Results showed that 78% of oleic acid maximum conversion was obtained at a temperature of 70oC with molar ratio 12:1 ethanol: oil with 5 wt.% catalysts at 90 min reaction time, while for sunflower oil conversi

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21

KoohiKamali, Sara, Chin Ping Tan, and Tau Chuan Ling. "Optimization of Sunflower Oil Transesterification Process Using Sodium Methoxide." Scientific World Journal 2012 (2012): 1–8. http://dx.doi.org/10.1100/2012/475027.

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In this study, the methanolysis process of sunflower oil was investigated to get high methyl esters (biodiesel) content using sodium methoxide. To reach to the best process conditions, central composite design (CCD) through response surface methodology (RSM) was employed. The optimal conditions predicted were the reaction time of 60 min, an excess stoichiometric amount of alcohol to oil ratio of 25%w/w and the catalyst content of 0.5%w/w, which lead to the highest methyl ester content (100%w/w). The methyl ester content of the mixture from gas chromatography analysis (GC) was compared to that

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22

Alrkaby, Ghassan S. Ali, and Abed AL-Kadim M. Hassan. "Experimental Study on Performance and Emission Characteristic of Diesel Engine using Sunflower oil Biodiesel Blends." Engineering and Technology Journal 38, no. 8A (2020): 1169–77. http://dx.doi.org/10.30684/etj.v38i8a.385.

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Biodiesel fuel is a liquid biofuel produced by chemical process form new and used phytogenic oils, animal fats. Biodiesel fuels can be utilization alone or mixing with the pure diesel at different proportion. In the present work a diesel engine type (FIAT) , four cylinder, variable speed, direct injection was operated by sunflower oil methyl ester , biodiesel at different blend ratio . five different ratio of biodiesel blends 10%, 20%, 30%, 40%, and 50% by volume is used in this study and compared with using of pure diesel at variable loads and variable engine speed. The effect of biodiesel ad

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23

Blinová, Lenka, Jozef Fiala, and Karol Balog. "Biodiesel Production from Waste Cooking Oil in Laboratory Scale." Applied Mechanics and Materials 448-453 (October 2013): 1656–59. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.1656.

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Biodiesel is a product from the transesterification of alcohol and vegetable oils and animal fats. Biodiesel is a greener alternative to petroleum diesel. In this study was biodiesel produce from waste sunflower cooking oil. The quality of biodiesel which was purified for two steps was evaluated and compared with sample of biodiesel produced in company MEROCO. The transesterification of waste cooking oil was successfully but biodiesel after first purification wasnt carefully washed. We recommend using plenty of water for purification, approximately 30 % of the biodiesel volume. Washing of the

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24

AntolÃn, G. "Optimisation of biodiesel production by sunflower oil transesterification." Bioresource Technology 83, no. 2 (2002): 111–14. http://dx.doi.org/10.1016/s0960-8524(01)00200-0.

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25

Alenezi, R., M. Baig, J. Wang, R. Santos, and G. A. Leeke. "Continuous Flow Hydrolysis of Sunflower Oil for Biodiesel." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 32, no. 5 (2010): 460–68. http://dx.doi.org/10.1080/15567030802612341.

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26

Kaplan, Cafer, Ridvan Arslan, and Ali Sürmen. "Performance Characteristics of Sunflower Methyl Esters as Biodiesel." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 28, no. 8 (2006): 751–55. http://dx.doi.org/10.1080/009083190523415.

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27

Ciric, Jovan, Natasa Jokovic, Slavica Ilic, Sandra Konstantinovic, Dragisa Savic, and Vlada Veljkovic. "Production of lactic acid by Enterococcus faecalis on waste glycerol from biodiesel production." Chemical Industry and Chemical Engineering Quarterly 26, no. 2 (2020): 151–56. http://dx.doi.org/10.2298/ciceq191010033c.

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Waste glycerol from biodiesel production is a valuable raw material that has been used to produce valuable microbial metabolites. In this work, the possibility of microbial utilization of waste glycerol obtained as a by-product in biodiesel production from sunflower and rapeseed oil by the lactic acid bacterium Enterococcus faecalis MK3-10A on a laboratory level was studied. For comparison, pure glycerol and glucose were used as carbon sources. The kinetics of the microbial biomass growth, the carbon source utilization, and the lactic acid production were monitored. The bacterium E. faecalis M

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28

Heravi, Hamid, Saeed Hosseini, Fatemeh Bamoharram, and Javad Baharara. "The effect of various vegetable oils on pollutant emissions of biodiesel blends with gasoil in a furnace." Thermal Science 19, no. 6 (2015): 1977–84. http://dx.doi.org/10.2298/tsci140218022h.

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In this paper the effect of various vegetable oils on pollutant emissions of biodiesel blends with gasoil in a furnace is studied experimentally. The exhaust gas temperature and emissions of CO, NOx and SO2 are measured by an R-type thermocouple and TESTO 350-XL gas analyzer respectively. The oil of soybean, sunflower, canola and corn are used in transesterification process of biodiesel. The results show that maximum of temperature, NOx emission and SO2 emission are achieved for the combustion of sunflower methyl ester and corn methyl ester blends with gasoil in contrast with combustion of soy

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29

Ganev, Evgeniy, Boyan Ivanov, Natasha Vaklieva-Bancheva, Elisaveta Kirilova, and Yunzile Dzhelil. "A Multi-Objective Approach toward Optimal Design of Sustainable Integrated Biodiesel/Diesel Supply Chain Based on First- and Second-Generation Feedstock with Solid Waste Use." Energies 14, no. 8 (2021): 2261. http://dx.doi.org/10.3390/en14082261.

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This study proposes a multi-objective approach for the optimal design of a sustainable Integrated Biodiesel/Diesel Supply Chain (IBDSC) based on first- (sunflower and rapeseed) and second-generation (waste cooking oil and animal fat) feedstocks with solid waste use. It includes mixed-integer linear programming (MILP) models of the economic, environmental and social impact of IBDSC, and respective criteria defined in terms of costs. The purpose is to obtain the optimal number, sizes and locations of bio-refineries and solid waste plants; the areas and amounts of feedstocks needed for biodiesel

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30

Kassem, Youssef, Hüseyin Çamur, and Ebaa Alassi. "Biodiesel Production from Four Residential Waste Frying Oils: Proposing Blends for Improving the Physicochemical Properties of Methyl Biodiesel." Energies 13, no. 16 (2020): 4111. http://dx.doi.org/10.3390/en13164111.

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The physicochemical properties of biodiesel fuels and their blends prepared from four residential waste vegetable frying oils (sunflower (FSME), canola (FCME), mixture of sunflower and rapeseed (FSRME) and corn (FSCME)) were evaluated and measured to determine the best blend. The results indicate that the stability of 10 biodiesel blends was above 10 h for 0-month, meeting the stability requirement regulated in EN 14214:2014 by adding FSCME, which depends on the concentration amount of FSCME. Besides, the results showed that all fuel samples did not meet the requirements of diesel fuel standar

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31

Monirul, I. M., H. H. Masjuki, M. A. Kalam, et al. "A comprehensive review on biodiesel cold flow properties and oxidation stability along with their improvement processes." RSC Advances 5, no. 105 (2015): 86631–55. http://dx.doi.org/10.1039/c5ra09555g.

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Biodiesel, which comprises fatty acid esters, is derived from different sources, such as vegetable oils from palm, sunflower, soybean, canola, Jatropha, and cottonseed sources, animal fats, and waste cooking oil.

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32

Yang, Jing Hui, Jian Ke Li, Jun Xun Huang, Yan Jun Liu, and Chun Xia Wu. "Salt Tolerance of Four Biodiesel Plant Species on Germination." Advanced Materials Research 641-642 (January 2013): 902–5. http://dx.doi.org/10.4028/www.scientific.net/amr.641-642.902.

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Due to increasing salinity problems and biodiesel production, in this experiment four vegetables species were treated with different concentration of NaCl solution and the growth values were evaluated on germination to be able to understand salinity tolerance of main biodiesel plant species and screen better species which is possible to be cultivated on salinity land. Results indicated that salinity caused significant reduction in germination vigor (GV), relative percentage of germination (RGP), relative radicle length (RRL). Under higher salt concentration (9g/L), GV of soybean was lowest; GV

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33

Rodríguez Portillo, E., A. Colin, A. Amaya, and R. Romero. "The Energy Balance of Biodiesel Production from Sunflower Oil." Energy Sources, Part A: Recovery, Utilization, and Environmental Effects 36, no. 20 (2014): 2271–80. http://dx.doi.org/10.1080/15567036.2011.565303.

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34

Encinar, J. M., J. F. González, G. Martínez, and S. Román. "Biodiesel by Enzymatic Transesterification of Sunflower Oil with Ethanol." Journal of Biobased Materials and Bioenergy 4, no. 1 (2010): 87–94. http://dx.doi.org/10.1166/jbmb.2010.1070.

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35

Cursaru, Diana-Luciana, Gheorghe Brănoiu, Ibrahim Ramadan, and Florin Miculescu. "Degradation of automotive materials upon exposure to sunflower biodiesel." Industrial Crops and Products 54 (March 2014): 149–58. http://dx.doi.org/10.1016/j.indcrop.2014.01.032.

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36

Granados, M. López, M. D. Zafra Poves, D. Martín Alonso, et al. "Biodiesel from sunflower oil by using activated calcium oxide." Applied Catalysis B: Environmental 73, no. 3-4 (2007): 317–26. http://dx.doi.org/10.1016/j.apcatb.2006.12.017.

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37

Santos, Anne G. D., Vinícius P. S. Caldeira, Mirna F. Farias, Antonio S. Araújo, Luiz D. Souza, and Allan K. Barros. "Characterization and kinetic study of sunflower oil and biodiesel." Journal of Thermal Analysis and Calorimetry 106, no. 3 (2011): 747–51. http://dx.doi.org/10.1007/s10973-011-1838-5.

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38

Zsuzsanna Szántó and Botond Sinóros-Szabó. "Harmonic development and biodiesel." Acta Agraria Debreceniensis, no. 42 (December 22, 2010): 91–95. http://dx.doi.org/10.34101/actaagrar/42/2665.

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An increased expansion of renewable resources and biodiesel is observed and prognosed, since fossile energy resources are about to run out. Hungary achieved outstanding sunflower years in the recent years in worldwide comparison. In the future, the feedstock of biodiesel production can also be rape besides sunflower.According to the concept of harmonious development, the balance between nature, society, economy and human environments is represented by their mutual presumptive character. Research and development need to be aligned into this system. Our aim was to examine the advantages anddisad

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39

Shigaki, Francirose, Ludhanna Marinho Veras, Elane Tyara de Jesus Siqueira, et al. "Sunflower Genotype Selection for Oil Production in the Pre-Amazon Region of Brazil." Journal of Agricultural Science 11, no. 8 (2019): 248. http://dx.doi.org/10.5539/jas.v11n8p248.

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Part of the energy consumed in the world comes from limited sources, which eventually are expected to be depleted. The search for alternative sources to meet energy needs is crucial. Biodiesel derived from vegetable oils and animal fats stands out as a biodegradable and renewable alternative source of energy. Sunflower is among the top four oil crops produced worldwide, and Brazil has a high production potential for this crop. This study aimed to identify the sunflower genotypes with the highest potential for biodiesel production in the Pre-amazon region of Brazil, where the advance of agricul

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40

Lukic, Ivana, Jugoslav Krstic, Sandra Glisic, Dusan Jovanovic, and Dejan Skala. "Biodiesel synthesis using K2CO3/Al-O-Si aerogel catalysts." Journal of the Serbian Chemical Society 75, no. 6 (2010): 789–801. http://dx.doi.org/10.2298/jsc090707047l.

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In this study, catalysts for fatty acid methyl esters (FAME or biodiesel) synthesis with K2CO3 as the active component on an alumina/silica support were synthesized using the sol-gel method, which was followed by drying the ?dense? wet gels with supercritical carbon dioxide to obtain the aerogels. The prepared catalysts were characterized by XRD analysis, FTIR spectroscopy and N2 physisorption at 77 K, and tested in the methanolysis of sunflower oil. The effects of reaction variables, such as reaction time, temperature and methanol to oil molar ratio, on the yield of FAME were investigated. Th

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41

Marques Correia, Leandro, Juan Antonio Cecilia, Enrique Rodríguez-Castellón, Célio Loureiro Cavalcante, and Rodrigo Silveira Vieira. "Relevance of the Physicochemical Properties of Calcined Quail Eggshell (CaO) as a Catalyst for Biodiesel Production." Journal of Chemistry 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/5679512.

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The CaO solid derived from natural quail eggshell was calcined and employed as catalyst to produce biodiesel via transesterification of sunflower oil. The natural quail eggshell was calcined at 900°C for 3 h, in order to modify the calcium carbonate present in its structure in CaO, the activity phase of the catalyst. Both precursor and catalyst were characterized using Hammett indicators method, X-ray fluorescence (XRF), X-ray diffraction (XRD), thermogravimetric analysis (TG/DTG), CO2temperature-programmed desorption (CO2-TPD), X-ray photoelectronic spectroscopy (XPS), Fourier infrared spectr

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42

Chen, Chunping, Maxwell Greenwood, Jean-Charles Buffet, and Dermot O'Hare. "Aqueous miscible organic layered double hydroxides as catalyst precursors for biodiesel synthesis." Green Chemistry 22, no. 10 (2020): 3117–21. http://dx.doi.org/10.1039/d0gc00571a.

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Agy, Mariza Sufiana Faharodine Aly, Ronaldo Lopes Oliveira, Claudio Vaz Di Mambro Ribeiro, et al. "Sunflower cake from biodiesel production fed to crossbred Boer kids." Revista Brasileira de Zootecnia 41, no. 1 (2012): 123–30. http://dx.doi.org/10.1590/s1516-35982012000100019.

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Demirbas, Ayhan. "Biodiesel from sunflower oil in supercritical methanol with calcium oxide." Energy Conversion and Management 48, no. 3 (2007): 937–41. http://dx.doi.org/10.1016/j.enconman.2006.08.004.

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Santos, Evelise F., Ricardo V. B. Oliveira, Quelen B. Reiznautt, Dimitrios Samios, and Sônia M. B. Nachtigall. "Sunflower-oil biodiesel-oligoesters/polylactide blends: Plasticizing effect and ageing." Polymer Testing 39 (October 2014): 23–29. http://dx.doi.org/10.1016/j.polymertesting.2014.07.010.

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Hazrat, M. A., M. G. Rasul, M. M. K. Khan, N. Ashwath, and T. E. Rufford. "Emission Characteristics of Polymer Additive Mixed Diesel-Sunflower Biodiesel Fuel." Energy Procedia 156 (January 2019): 59–64. http://dx.doi.org/10.1016/j.egypro.2018.11.090.

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Ballesteros, R., J. J. Hernández, L. L. Lyons, B. Cabañas, and A. Tapia. "Speciation of the semivolatile hydrocarbon engine emissions from sunflower biodiesel." Fuel 87, no. 10-11 (2008): 1835–43. http://dx.doi.org/10.1016/j.fuel.2007.10.030.

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Porte, Anderson Favero, Rosana de Cassia de Souza Schneider, Jonas Alvaro Kaercher, et al. "Sunflower biodiesel production and application in family farms in Brazil." Fuel 89, no. 12 (2010): 3718–24. http://dx.doi.org/10.1016/j.fuel.2010.07.025.

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Maceiras, R., J. J. Rivero, M. A. Cancela, S. Urrejola, and A. Sanchez. "Development and modeling of production of biodiesel from sunflower oil." Chemistry and Technology of Fuels and Oils 46, no. 3 (2010): 154–59. http://dx.doi.org/10.1007/s10553-010-0202-y.

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Karnaukh, Mykola, Dmitriy Muzylyov, and Natalya Shramenko. "Technological aspects of energy optimization during operating vehicles and increase their environmental safety." MATEC Web of Conferences 294 (2019): 01013. http://dx.doi.org/10.1051/matecconf/201929401013.

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The paper discusses an actual scientific and practical problem of expanding the fuel base of the transport means by using biodiesel fuel in the form of ethyl esters made of rapeseed, sunflower and soybean oils. The choice of the optimal blend composition of diesel and biodiesel in appropriate operating conditions helps to provide the energy independence of transport companies on mineral hydrocarbons, reduce the anthropogenic influence on the environment and improve the environmental safety of transport. The research offers a new technological model for the production of biodiesel, which improv

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