盒子-Behnken设计 (BBD) 用于优化和模拟生物质生产生物滑剂使用青加与技术经济分析
Eman M Abdel Hamid1, Amer M Amer2, Ahmed K Mahmoud2
1Chemical Engineering Department, Egyptian Academy for Engineering and Advanced Technology (EAEAT), Km 3 Cairo-Belbeis, Desert Road, PO box 3056, Cairo, Arab Republic of Egypt. eman.mohamed@eaeat.edu.eg.
Scientific reports
|September 19, 2024
概括
这项研究引入了从动物脂肪和废食用油中提取的新型生物滑剂,达到91.56%的产量. 可持续且具有成本效益的生产过程表明了工业的可行性和利能力.
科学领域:
- 可持续化学 可持续化学
- 滑剂技术的技术 滑剂技术
- 绿色工程 绿色工程
背景情况:
- 由于环境问题和石油油的局限性,对可持续滑剂的需求日益增加.
- 生物滑剂具有生物降解性和无毒性,使其成为环保替代品.
- 对生物滑剂的新型来源和高效生产方法的需求.
研究的目的:
- 从混合动物脂肪和废食用油中通过转化开发一种新的生物滑剂.
- 使用响应表面方法 (RSM) 和盒式设计 (BBD) 优化生物滑剂生产过程.
- 评估生产的生物滑剂的性能和工业可扩展性.
主要方法:
- 生物柴油 (脂肪酸甲基乙 - FAME) 是从动物脂肪和废食用油中生产的.
- 使用乙烯基醇和氧化作为生物滑剂合成的催化剂的转化反应.
- 响应表面方法 (RSM) 采用盒式设计 (BBD) 来优化温度,反应时间和FAME/酒精比率.
- 生物滑剂性质的表征 (溢出点,闪点,粘度等) 使用Aspen Plus进行的模拟和过程模拟.
- 经济分析包括资本投资,回报期和内部收益率 (IRR).
主要成果:
- 在优化的反应条件下,在141°C,3.3小时的温度下,生物滑剂的产量为91.56%,FAME/酒精比为2:1.
- 生产的生物滑剂表现出良好的性能:注点为-9°C,点火点为192°C,40°C的动力粘度为10.35cSt,粘度指数为183.6,灰含量为0.76%和碳残留量为1.5%,符合ISO VG 10标准.
- 阿斯普拉斯模拟证实了工业可扩展性,经济分析显示总资本投资为1270万美元,回报期为1.48年,IRR为67.5%.
结论:
- 从废弃的油和动物脂肪中可以生产出一种新的,高产量的生物滑剂.
- 优化的转化工艺是高效的,适合工业规模生产.
- 开发的生物滑剂是传统滑剂的可持续,经济有效和有利可图的替代品.
相关概念视频
Bioreactor Design and Operational System
223
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...
223
Bioreactor Controls-II
82
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...
82
Methods of Medium Optimization
74
Optimizing growth media enhances microbial proliferation and maximizes product yield. Statistical experimental design methodologies provide structured and reproducible approaches, offering progressively higher levels of robustness and efficiency.The One-Factor-at-a-Time (OFAT) MethodThe One-Factor-at-a-Time (OFAT) method involves adjusting a single variable while keeping all others constant. However, it cannot detect interactions between variables, often leading to suboptimal outcomes when...
74
Upstream Processing
103
Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...
103
Production of Biopesticides
120
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...
120
Biofuels
112
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...
112


