同时优化和整合多个过程的热层和选址实用设施,用于设计新一代甘生物炼油厂
Victor Fernandes Garcia1, Adriano Viana Ensinas2
1Center of Engineering, Modeling and Social Science Applied, Federal University of ABC, Santo André 09210-580, Brazil.
Entropy (Basel, Switzerland)
|June 26, 2024
概括
优化生物炼油厂设计可以提高能源效率和竞争力. 集成工艺,如气气化用于甲醇或DME生产,显著提高了性能,而二氧化碳化则带来了挑战.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 可持续能源系统 可持续能源系统
- 过程优化 过程优化
背景情况:
- 生物炼油厂是脱碳的关键,但面临着经济挑战.
- 高额的投资和运营成本阻碍了生物炼油厂产品的竞争力.
- 实现最大限度的运营协同效应对于生物炼油厂的经济可行性至关重要.
研究的目的:
- 开发一个超结构模型来优化生物炼油厂的配置.
- 确定理想的技术路线,以增强运营协同效应.
- 评估新技术对能源效率和成本的影响.
主要方法:
- 基于混合整数线性编程 (MILP) 的超结构模型.
- 考虑过程选择,尺度调整,公用事业选择和热集成.
- 案例研究评估了甘生物炼厂的新技术.
主要成果:
- 能源效率从50.25%提高到74.5%,用于甲醇生产的包油气化.
- 气化所产生的热量可用性,通过使气流转向,改善了蒸厂的运营.
- 甲基乙 (DME) 生产的结果与甲醇相当;二氧化碳化降低了利能力和效率.
结论:
- 通过先进的建模优化生物炼油厂可以显著提高能源效率.
- 气化等过程的战略整合提供了实质性的运营和经济效益.
- 二氧化碳化可以增加生物燃料的生产密度,但需要仔细的经济和能源评估.
相关概念视频
Bioreactor Design and Operational System
200
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...
200
Bioreactor Controls-III
67
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
67
Scale-Up Processes
105
The scale-up of microbial fermentation processes is essential in industrial biotechnology, allowing the transition from laboratory-scale experiments to commercial-scale production while aiming to maintain product yield and quality. This process requires meticulous adjustment of equipment design, process parameters, and contamination control strategies to accommodate increasing culture volumes.At the laboratory scale, cultures are typically maintained in 1 to 10-liter glass or autoclavable...
105
Upstream Processing
97
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...
97
Biofuels
107
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...
107


