关于页岩形成中的CO2吸附的全面审查:探索广泛采用的同热模型和计算技术
Zaheer Hussain Zardari1,2, Dzeti Farhah Mohshim1, Mohammad Sarmadivaleh3
1Department of Petroleum Engineering, Universiti Teknologi Petronas, Persiaran, Seri Iskandar, 32610 Perak, Malaysia.
页岩形成可以通过吸附来储存二氧化碳 (CO2),减轻气候变化. 本研究评估了用于精确预测页岩中二氧化碳储存能力的异热模型,突出了改善预测的领域.
科学领域:
- 地质化学和环境科学
- 石油工程和碳封存 石油工程和碳封存
背景情况:
- 化石燃料的燃烧释放出大量的二氧化碳 (CO2),这是全球变暖的主要驱动力.
- 页岩形成为二氧化碳封存提供了潜力,主要是通过气体吸附.
- 在页岩中准确的二氧化碳吸附建模对于有效的储能估计至关重要.
研究的目的:
- 评估各种异热模型在预测页岩上的二氧化碳吸附方面的性能.
- 评估不同页岩构成,表面积和孔隙几何形状的模型效率.
- 确定当前模型的局限性,并提出改进以提高准确性.
主要方法:
- 多种同热吸附模型的应用和比较 (Langmuir,Freundlich,BET,DR,DA,Sips,Toth,Ono-Kondo).这些模型的应用和比较.
- 在298K和高达2MPa的页岩样本上对CO2吸附的分析.
- 审查模型约束,并提出适应措施,如密度依赖校正和混合技术.
主要成果:
- 该研究提供了对现有异热模型对页岩上二氧化碳吸附的全面评估.
- 目前模型中发现的局限性需要进一步细化,以便准确地预测存储情况.
- 拟议的适应和与分子动力学模拟的整合可以提高预测准确性.
结论:
- 对页岩中二氧化碳储存的准确预测需要改进的同热模型和经验验证.
- 未来的研究应该专注于模型的增强和与先进的模拟技术的整合.
- 在页岩层中优化二氧化碳捕获是减轻温室气体排放的关键.
更多相关视频
07:51Evaluation of Capnography Sampling Line Compatibility and Accuracy when Used with a Portable Capnography Monitor
Published on: September 29, 2020
08:35Oxygenation-sensitive Cardiac MRI with Vasoactive Breathing Maneuvers for the Non-invasive Assessment of Coronary Microvascular Dysfunction
Published on: August 17, 2022
相关概念视频
Respiratory Assessment: Purpose and Indications
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Assessment of Diffusion and Perfusion
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this...
Physiological Control of Respiration
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Hypoxia
Types of Hypoxia
There are four primary types of hypoxia, each resulting from a different cause:
1. Anemic hypoxia: This type occurs due to insufficient oxygen delivery caused by a lack of red blood cells (RBCs) or RBCs with abnormal or...
Carbon Dioxide Transport in the Blood
Forms of CO2 Transport
1. Dissolved in plasma: A small percentage (7-10%) of CO2 is transported and dissolved directly in the plasma.
2. Carbaminohemoglobin: Just over 20% of CO2 is chemically bound to...
Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies
Medical History
