热力学建模 砂岩上六甲基氨酸吸附的热力学建模
Munthar Kadhim Abosaoda1,2,3, Bhavesh Kanabar4, Abhinav Kumar5,6
1College of Pharmacy, The Islamic University, Najaf, Iraq.
Scientific reports
|March 29, 2025
概括
这项研究研究了HMTA在砂岩上的吸附,这对于油井水控制至关重要. 吸附是内热的,自发的,遵循兰格穆尔动力学,指导更好的凝治疗.
科学领域:
- 石油工程是石油工程中的一个.
- 储水库工程 储水库工程
- 物理化学 物理化学
背景情况:
- 石油井的过度水产需要在现场进行凝处理.
- 凝成分在水库岩石上的吸附阻碍了有效的凝形成.
- 了解交叉连接器吸附对于优化阻水的策略至关重要.
研究的目的:
- 在砂岩上进行HMTA吸附的新型热力学研究.
- 分析多孔介质中的吸附行为,并在不同的介质中进行比较.
- 为开发石油井水管理改进的凝制剂配方提供见解.
主要方法:
- 在25-80°C的温度下,对石英颗粒进行了批量吸附实验.
- 用兰格穆尔异热模型分析了吸附数据.
- 核心洪水实验使用带有HMTA解决方案的砂岩核心进行.
主要成果:
- 石英上的HMTA吸附遵循兰格穆尔模型,表明单层吸附是由结合驱动的.
- 吸附能力随着温度 (64-93毫克/g岩石) 的增加而增加,这意味着一种内热过程.
- 热力学分析显示了自发吸附 (负的吉布斯自由能量) 与正的和.
结论:
- 砂岩上的HMTA吸附是一种内热和自发的过程,可以通过Langmuir模型进行预测.
- 温度对HMTA吸附能力有积极的影响,这对治疗设计至关重要.
- 在复杂的多孔介质 (核心洪水) 中的吸附显示出比批量实验更低的容量,突出了需要考虑现场条件的需要.
相关概念视频
Phase Transitions: Sublimation and Deposition
Some solids can transition directly into the gaseous state, bypassing the liquid state, via a process known as sublimation. At room temperature and standard pressure, a piece of dry ice (solid CO2) sublimes, appearing to gradually disappear without ever forming any liquid. Snow and ice sublimate at temperatures below the melting point of water, a slow process that may be accelerated by winds and the reduced atmospheric pressures at high altitudes. When solid iodine is warmed, the solid sublimes...
Mechanisms of Heat Transfer I
Just as interesting as the effects of heat transfer on a system are the methods by which the heat transfer occur. Whenever there is a temperature difference, heat transfer occurs. It may occur rapidly, such as through a cooking pan, or slowly, such as through the walls of a picnic ice box. So many processes involve heat transfer that it is hard to imagine a situation where no heat transfer occurs. Yet, every heat transfer takes place by only three methods: conduction, convection, and radiation.
Heat Capacities of an Ideal Gas II
For a system that undergoes a thermodynamic process at a constant volume condition, the heat absorbed is used only to increase the system's internal energy and not for doing any kind of work. While for a system undergoing a thermodynamic process under a constant pressure condition, the amount of heat absorbed is used not only for increasing the internal energy (as a function of temperature) but also for doing some work. The molar heat capacity is the amount of heat required to increase the...
Adsorption Isotherms I
Adsorption isotherms are mathematical models that describe how molecules in a gas or liquid phase interact with surfaces. Two of the most common isotherm models are the Langmuir and Freundlich isotherms, which relate to Type I monolayer chemisorption. The Langmuir model is based on four key assumptions:• Adsorption cannot exceed monolayer coverage.• All surface sites are equivalent.• Molecules adsorb only at vacant sites.• There are no interactions between adsorbed molecules.Consider the...
Strength and Heat of Hydration
The hydration of cement is an exothermic reaction in which heat is generated as cement hydrates. This heat of hydration is critical to cement's strength development. The rate at which this heat is generated affects the temperature rise, with a majority of the heat being released early in the hydration process, half within the first three days, and about 75% within the first week.
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
Typical Model Studies
Fluid mechanics model studies often utilize scaled-down systems to predict fluid behavior in full-scale environments, such as river flows, dam spillways, and structures interacting with open surfaces. Maintaining Froude number similarity in river models is crucial, as it replicates surface flow features like wave patterns and velocities.


