相关实验视频
Updated: Jul 4, 2025

10:00
Hydrogen Production and Utilization in a Membrane Reactor
Published on: March 10, 2023
2.4K
气体膜分离过程中的H2/CO2的能源-经济-环境三目标评估方法
Junjiang Bao1,2, Shuai Li1,2, Xiaopeng Zhang1,2
1State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116023, China.
Membranes
|January 26, 2024
概括
这项研究评估了16个膜系统用于燃烧前的碳捕获,优化能源,经济和环境. 一个混合系统 (C1H2-4) 结合了选择性和选择性二氧化碳膜,证明了卓越的性能.
科学领域:
- 化学工程是化学工程的重要组成部分.
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- 燃烧前的碳捕获对于减少温室气体排放至关重要.
- 在预燃过程中,高合成气压会增强膜分离的质量转移.
- 关于用于多目标优化的组合膜材料和工艺布局的研究有限.
研究的目的:
- 提出和评估16个两级膜系统,用于燃烧前的二氧化碳捕获.
- 开发一个考虑能源,经济和环境的三目标优化方法.
- 确定最佳的膜系统并分析影响因素.
主要方法:
- 16个两级膜系统的设计:4个选择性H2,4个选择性CO2和8个混合.
- 在系统评估中应用三目标优化方法.
- 基于二氧化碳纯度,回收,能源消耗,经济可行性和环境影响的系统性能分析.
主要成果:
- 六个膜分离系统实现了90%的二氧化碳纯度和回收的目标.
- 集成H2选择性和CO2选择性膜的C1H2-4混合系统表现出最佳的整体性能.
- 料成分和特定的分离要求对优化结果产生重大影响.
结论:
- 混合膜系统,特别是C1H2-4,为高效的燃烧前二氧化碳捕获提供了有希望的解决方案.
- 膜选择性和透性是影响系统性能的关键参数.
- 多目标优化对于选择最有效的膜配置至关重要.
相关概念视频
Turbulent Flow: Problem Solving
129
Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures...
129
Hess's Law
45.1K
There are two ways to determine the amount of heat involved in a chemical change: measure it experimentally, or calculate it from other experimentally determined enthalpy changes. Some reactions are difficult, if not impossible, to investigate and make accurate measurements for experimentally. And even when a reaction is not hard to perform or measure, it is convenient to be able to determine the heat involved in a reaction without having to perform an experiment.
45.1K

