基于麻油的单步生物柴油生产工艺的响应表面优化,使用稳定机-旋转机水力动力空化反应堆
Aya Soliman1, Abdallah R Ismail2, Mohamed Khater1
1Faculty of Engineering, Pharos University in Alexandria, PO Box 37, Sidi Gaber, Alexandria, Egypt.
Environmental science and pollution research international
|October 10, 2024
概括
这项研究通过使用一种新型的水力动力化化反应器,提高了从麻油中生产生物柴油的产量,达到95.51%的产量. 该工艺环保,具有成本效益,并产生高质量的生物柴油燃料.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 可再生能源可再生能源是可再生能源.
- 环境科学 环境科学
背景情况:
- 越来越多的人对环境污染和化石燃料耗尽的担忧,需要可持续的替代方案.
- 从非食用油中生产生物柴油对于能源安全和环境保护至关重要.
研究的目的:
- 通过使用一种新的水力动力化化反应器,加强从麻油中生产生物柴油.
- 使用响应表面方法来建模和优化生物柴油产量.
- 评估生产的生物柴油的燃料质量和经济可行性.
主要方法:
- 使用自制造的圆柱形稳定器-旋转器水力动力空化反应堆.
- 采用响应表面方法 (RSM) 采用1/2分数三级面部中心复合材料设计.
- 优化了五个实验因素:温度,转子速度,时间,甲醇与油的比率和KOH度.
主要成果:
- 实现了95.51%的最大生物柴油产量,脂肪酸甲基含量为99%.
- 确定了最佳操作参数:52.51°C,每分钟1164.8转,每分钟27.43转,甲醇与油的比率为8.4:1,KOH为0.89%.
- 证明了低能耗 (6.09 × 10^5 J) 和高洞化产率 (12 × 10^-3 g/J).
- 生物柴油及其混合物符合全球燃料质量标准.
结论:
- 水力动态化反应堆提供了一种高效和强化的方法,用于从麻油生产生物柴油.
- 优化的工艺参数确保了高产量和质量,与商业标准相美.
- 该过程对环境友好,节能,经济可行.
相关概念视频
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...
Bioreactor Design and Operational System
Bioreactors are engineered vessels designed to cultivate microorganisms under controlled conditions for industrial bioprocessing. They maintain sterility and allow precise regulation of pH, temperature, oxygen, and nutrient levels to optimize microbial growth and metabolite production. Bioreactors range from small laboratory units of 1 liter to industrial systems holding up to 500,000 liters, though only about 75% of their volume is actively used for fermentation. The remaining headspace...
Bioreactor Controls-II
In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the fermentor via a sparger...
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...


