激光辅助尼姆油预处理:一种新的高效生物柴油生产途径
Velluri Sridevi1, Mohammed Al-Asadi2, Sarmad Al-Anssari3,4
1Department of Chemical Engineering, Andhra University, Visakhapatnam, India.
Environmental science and pollution research international
|January 15, 2026
概括
尼姆油的激光预处理显著提高了生物柴油产量,并缩短了反应时间. 这种环保方法提高了转换效率,为可持续的燃料生产提供了有前途的进步.
科学领域:
- 绿色化学 绿色化学
- 催化剂是一种催化剂.
- 可再生能源可再生能源是可再生能源.
背景情况:
- 生物柴油是化石燃料的一个受欢迎的环保替代品.
- 从阿扎迪拉赫塔印加种子中提取的尼姆油是生物柴油生产的可行的原料.
- 目前的生物柴油合成通常涉及纳米催化剂的转化,面临反应性和能源消耗方面的挑战.
研究的目的:
- 研究激光预处理对尼姆油对增强生物柴油合成的影响.
- 为了优化生物柴油生产参数,使用激光处理的尼姆油和合成的CaO纳米催化剂.
- 评估生物柴油生产中CaO纳米催化剂的效率,产量和可重复使用性.
主要方法:
- 使用Sol-gel方法合成了CaO纳米催化剂,并使用XRD和SEM进行了它们的特征化.
- 用540纳米绿色激光预处理的尼姆油,以评估其对生物柴油产量的影响.
- 通过改变反应温度,时间,催化剂重量和甲醇与油的比率,优化批量生物柴油生产 (激光油甲基乙 - LNOME).
- 使用GC-MS,FTIR和H-NMR进行了原料和生物柴油的表征.
主要成果:
- 合成的CaO纳米催化剂表现出卓越的可重复使用性,在五个循环后保持97.7%的活性.
- 尼姆油的激光预处理导致与未经处理的油 (94%) 相比,生物柴油产量更高 (97%).
- 最佳反应条件包括50°C,90分钟,甲醇与油的摩尔比为1:20,0.5-1.25%重量%的催化剂.
结论:
- 激光预处理是一种具有成本效益和环保的方法,可以提高尼姆油生物柴油的生产.
- 激光预处理和Sol-gel合成的CaO纳米催化剂的组合在反应化学中提供了重大突破.
- 这种方法导致反应时间缩短和生物柴油产量提高,为更高质量的可持续生物柴油铺平了道路.
更多相关视频
09:10Experimental Protocol for Biodiesel Production with Isolation of Alkenones as Coproducts from Commercial Isochrysis Algal Biomass
Published on: June 24, 2016
21.3K
04:40Author Spotlight: Employing Green-Chemistry Principles for Safe and Sustainable Synthesis of Biodiesels
Published on: April 19, 2024
1.6K
相关概念视频
Bioremediation
Bioremediation is the use of prokaryotes, fungi, or plants to remove pollutants from the environment. This process has been used to remove harmful toxins in groundwater as a byproduct of agricultural run-off and also to clean up oil spills.
Lipid Catabolism
Triglycerides serve as crucial long-term energy storage molecules in microorganisms, providing a dense source of metabolic energy. Their breakdown is mediated by lipases, which hydrolyze triglycerides into glycerol and free fatty acids. Each of these components follows distinct metabolic pathways, ultimately contributing to ATP synthesis and cellular energy homeostasis.Glycerol MetabolismGlycerol, released from triglyceride hydrolysis, is phosphorylated by glycerol kinase to form...
Biosynthesis of Lipids
Microbial membranes exhibit remarkable diversity in lipid composition, reflecting evolutionary adaptations to various environmental conditions. The three domains of life—Bacteria, Archaea, and Eukarya—synthesize membrane lipids through distinct biosynthetic pathways, leading to fundamental structural differences that impact membrane stability, function, and adaptability.Fatty Acid-Based Lipids in Bacteria and EukaryaBacteria and eukaryotes share a common fatty acid biosynthesis pathway, which...
Microbial Bioremediation of Hydrocarbons
Bioremediation is an environmentally sustainable process that employs living organisms—primarily microorganisms—to degrade or neutralize pollutants from contaminated environments. In oil spills and hydrocarbon pollution, bioremediation involves the use of hydrocarbon-degrading bacteria to transform toxic compounds into less harmful substances. This approach leverages natural microbial metabolic processes and is considered both cost-effective and ecologically favorable compared to physical or...
Production of Biopesticides
Biopesticides offer a sustainable alternative to chemical pesticides, utilizing microbial agents to control agricultural pests. Bacillus thuringiensis (Bt) is a widely employed bacterium known for its potent insecticidal activity. Bt biopesticides are favored for their specificity to insect pests, minimal environmental impact, and natural degradability.Mechanism of Bt Toxin Action Bt produces insecticidal crystal (Cry) proteins during its sporulation phase. These proteins form parasporal...
Biofuels
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
