含盐石英砂体系CO<sub>2</sub>水合物生成动力学实验研究与模型预测

苏双月; 吴良猛; 包万明; 崔新颖; 钟栋梁

doi:10.12434/j.issn.2097-2547.20250429

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含盐石英砂体系CO₂水合物生成动力学实验研究与模型预测

更新时间：2026-05-08

- 含盐石英砂体系CO₂水合物生成动力学实验研究与模型预测
- Experimental study and model prediction of CO₂ hydrate formation kinetics in saline quartz sand system
- 低碳化学与化工 2026: 1-8.
- 作者机构：
  
  1.重庆大学资源与安全学院，重庆 400044
  2.重庆大学煤矿灾害动力学与控制全国重点实验室，重庆 400044
- 作者简介：
  
  苏双月（2000—），硕士研究生，研究方向为CO2封存，E-mail：susy0813@163.com。
  钟栋梁（1980—），博士，教授，博士研究生导师，研究方向为非常规天然气开发与利用，CO2捕集、利用与封存，E-mail：zhongdl@cqu.edu.cn。
- 基金信息：
  
  国家自然科学基金(52576191;52076019)
- DOI：10.12434/j.issn.2097-2547.20250429
  中图分类号： X701;TE991.1
- 收稿：2025-11-11，
  
  修回：2025-12-09，
  
  网络首发：2026-05-07，
- 稿件说明：
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苏双月,吴良猛,包万明等.含盐石英砂体系CO₂水合物生成动力学实验研究与模型预测[J].低碳化学与化工,

SU Shuangyue,WU Liangmeng,BAO Wanming,et al.Experimental study and model prediction of CO₂ hydrate formation kinetics in saline quartz sand system[J].Low-Carbon Chemistry and Chemical Engineering,
苏双月,吴良猛,包万明等.含盐石英砂体系CO₂水合物生成动力学实验研究与模型预测[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20250429.

SU Shuangyue,WU Liangmeng,BAO Wanming,et al.Experimental study and model prediction of CO₂ hydrate formation kinetics in saline quartz sand system[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20250429.

摘要

明确含盐沉积物中CO

水合物生成特征并建立其动力学预测模型，对发展CO

水合物法海洋封存技术具有重要意义。基于含盐石英砂体系开展了CO

水合物生成特性研究，探究了NaCl浓度（质量分数，下同）、压力和含水饱和度对水合物生成动力学参数（诱导时间和气体消耗量）的影响。结果表明，NaCl显著抑制了CO

水合物生成，随着NaCl浓度的增大，水合物生成速率降低，气体消耗量减小。提高压力可增强水合物生成驱动力并促进水合物生成。当压力升高到3.5 MPa时，诱导时间缩短至74.22 min。降低含水饱和度能促进CO

水合物生成，当含水饱和度为40%时，CO

气体消耗量最大（0.0579 mol/mol），水合物生成时间最短（800 min）。建立了含盐石英砂体系CO

水合物生成的化学亲和势模型，揭示了在3.5 MPa下NaCl浓度和含水饱和度等对模型参数的影响规律，模型预测结果与实验数据吻合良好。

Abstract

Elucidating the characteristics of CO

hydrate formation in saline sediments and establishing a kinetic prediction model are of great significance for the development of marine CO

sequestration technology based on hydrate methods. Based on a saline quartz sand system

the characteristics of CO

hydrate formation were investigated

and the effects of NaCl concentration (mass fraction

the same below)

pressure and water saturation on kinetic parameters (induction time and gas consumption) were examined. The results show that NaCl significantly inhibits CO

hydrate formation. As the NaCl concentration increases

the hydrate formation rate decreases and the gas consumption is reduced. Increasing pressure enhances the driving force for hydrate formation and promotes hydrate formation. When the pressure increases to 3.5 MPa

the induction time is shortened to 74.22 min. Decreasing water saturation promotes CO

hydrate formation. When the water saturation is 40%

the CO

gas consumption is the largest (0.0579 mol/mol)

and the hydrate formation time is the shortest (800 min). A chemical affinity model for CO

hydrate formation in the saline quartz sand system was established

and the effects of NaCl concentration and water saturation on the model parameters at 3.5 MPa were revealed. The model prediction results are in good agreement with the experimental data.

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references

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1,3-二氧戊环溶液体系CO2水合物生成动力学特性实验研究

纳米SiO2分散液中CO2水合物生成促进与稳定机制实验研究

含盐石英砂体系CO2水合物生成动力学实验研究与模型预测

Experimental study and model prediction of CO2 hydrate formation kinetics in saline quartz sand system

DOI：10.12434/j.issn.2097-2547.20250429

摘要

Abstract

关键词

Keywords

references

含盐石英砂体系CO₂水合物生成动力学实验研究与模型预测

Experimental study and model prediction of CO₂ hydrate formation kinetics in saline quartz sand system