From seeds to bioenergy: a conversion path for the valorization of castor and jatropha sedes

IF 1 4区 农林科学 Q4 CHEMISTRY, APPLIED Grasas y Aceites Pub Date : 2022-12-15 DOI:10.3989/gya.0571211
D.G. Montes-Núñez, G. Montero-Alpírez, M. A. Coronado-Ortega, J. R. Ayala-Bautista, J.A. León-Valdez, A.M. Vázquez-Espinoza, R. Torres-Ramos, C. García-González
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引用次数: 1

Abstract

The world’s energy matrix can be diversified with biodiesel from castor and jatropha oil. Hence, the objective of this study was to assess a conversion path for the valorization of castor and jatropha seeds. The results showed the maximum extraction of castor oil at 90 °C, 2 rpm, and 6 mm nozzle, achieving a yield of 36.97% and for jatropha oil at 100 °C, 1.5 rpm, and 10 mm nozzle, achieving a yield of 20.11%. The acid value and cloud point of castor and jatropha oil were 0.797 and 23.44 mg KOH/g, 10±1 °C and 12±0.55 °C, respectively; while the pour point was -3 °C for both. The acid value and cloud point for biodiesels ranged from 0.26-0.43 mg KOH/g, and -12.50-6.10 °C, respectively. The viscosity of oils and biodiesel ranged from 0.02-1.3 P. GC-MS indicated 66.38% of methyl ricinoleate in castor biodiesel and 31.64% of methyl oleate in jatropha biodiesel. The HHV for castor and jatropha biodiesel ranged from 32.37-40.25 MJ/kg.
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从种子到生物能源:蓖麻和麻疯树种子增值的转化途径
从蓖麻和麻疯树油中提取生物柴油可以使世界能源基质多样化。因此,本研究的目的是评估蓖麻和麻疯树种子增值的转化途径。结果表明,蓖麻油在90℃、2 rpm、6 mm喷嘴条件下提取率最高,为36.97%;麻疯树油在100℃、1.5 rpm、10 mm喷嘴条件下提取率最高,为20.11%。蓖麻油和麻疯树油的酸值和浊点分别为0.797和23.44 mg KOH/g,温度分别为10±1℃和12±0.55℃;而两者的倾点均为-3℃。生物柴油的酸值和浊点范围分别为0.26 ~ 0.43 mg KOH/g和-12.50 ~ 6.10°C。油和生物柴油的粘度范围为0.02 ~ 1.3 p, GC-MS分析表明蓖麻生物柴油的油酸甲酯含量为66.38%,麻疯树生物柴油的油酸甲酯含量为31.64%。蓖麻和麻疯树生物柴油的HHV值为32.37 ~ 40.25 MJ/kg。
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来源期刊
Grasas y Aceites
Grasas y Aceites 工程技术-食品科技
CiteScore
2.50
自引率
0.00%
发文量
50
审稿时长
3 months
期刊介绍: Grasas y Aceites is a peer-reviewed journal devoted to the publication of original articles concerning the broad field of lipids, especially edible fats and oils from different origins, including non acyl lipids from microbial origin relevant to the food industry. It publishes full research articles, research notes, reviews as well as information on references, patents, and books. Grasas y Aceites publishes original articles on basic or practical research, as well as review articles on lipid related topics in food science and technology, biology, (bio)chemistry, medical science, nutrition, (bio)technology, processing and engineering. Topics at the interface of basic research and applications are encouraged. Manuscripts related to by-products from the oil industry and the handling and treatment of the wastewaters are also welcomed. Topics of special interest to Grasas y Aceites are: -Lipid analysis, including sensory analysis -Oleochemistry, including lipase modified lipids -Biochemistry and molecular biology of lipids, including genetically modified oil crops and micro-organisms -Lipids in health and disease, including functional foods and clinical studies -Technical aspects of oil extraction and refining -Processing and storage of oleaginous fruit, especially olive pickling -Agricultural practices in oil crops, when affecting oil yield or quality
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