不同瓦斯压力下SDBS溶液对煤体润湿性影响实验研究

白杨; 耿博洋; 林海飞; 闫冬洁; 严敏; 赵扩; 杨雷蕾

doi:10.12434/j.issn.2097-2547.20250419

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不同瓦斯压力下SDBS溶液对煤体润湿性影响实验研究

绿色低碳化工技术 | 更新时间：2026-03-23

- 不同瓦斯压力下SDBS溶液对煤体润湿性影响实验研究
- Experimental study on effects of SDBS solutions on wettabilities of coal under different gas pressures
- 低碳化学与化工 2026: 1-10.
- 作者机构：
  
  1.西安科技大学安全科学与工程学院，陕西西安 710054
  2.西安科技大学煤炭行业西部矿井瓦斯智能抽采工程研究中心，陕西西安 710054
  3.西部煤矿瓦斯灾害防控陕西省高校重点实验室，陕西西安 710054
- 作者简介：
  
  白杨（1993—），博士，副教授，研究方向为矿井瓦斯灾害防治，E-mail：baiy@xust.edu.cn。
- 基金信息：
  
  国家重点研发计划(2023YFC3009002);国家自然科学基金青年基金(52204237;52404241);陕西省科协青年人才托举计划(20240458)
- DOI：10.12434/j.issn.2097-2547.20250419
  中图分类号： TD712
- 收稿：2025-11-03，
  
  修回：2025-12-03，
  
  录用：2025-12-10，
  
  网络首发：2026-03-19，
- 稿件说明：
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白杨,耿博洋,林海飞等.不同瓦斯压力下SDBS溶液对煤体润湿性影响实验研究[J].低碳化学与化工,

BAI Yang,GENG Boyang,LIN Haifei,et al.Experimental study on effects of SDBS solutions on wettabilities of coal under different gas pressures[J].Low-Carbon Chemistry and Chemical Engineering,
白杨,耿博洋,林海飞等.不同瓦斯压力下SDBS溶液对煤体润湿性影响实验研究[J].低碳化学与化工, DOI：10.12434/j.issn.2097-2547.20250419.

BAI Yang,GENG Boyang,LIN Haifei,et al.Experimental study on effects of SDBS solutions on wettabilities of coal under different gas pressures[J].Low-Carbon Chemistry and Chemical Engineering, DOI：10.12434/j.issn.2097-2547.20250419.

摘要

随着煤炭开采向深部延伸，煤层瓦斯压力显著增大，煤层注水治理瓦斯的关键在于煤体的润湿效果。然而高瓦斯压力下表面活性剂溶液对煤体的润湿特性尚不明确。为探究不同瓦斯压力下十二烷基苯磺酸钠（SDBS）溶液对煤体润湿性的影响，配制了SDBS质量分数分别为0.01%、0.05%、0.10%、0.20%和0.40%的SDBS溶液，然后分别在0.0 MPa、0.5 MPa、1.0 MPa、1.5 MPa、2.0 MPa、2.5 MPa和3.0 MPa的瓦斯压力下进行了润湿实验，并计算了SDBS溶液表面张力及其与煤样接触角等参数。结果表明，当瓦斯压力为3.0 MPa，SDBS质量分数为0.40%时，黏附功为45.33 mJ/m

，铺展系数为-4.022 mN/m，表面自由能为-3234.80 J/mol。

Abstract

With the extension of coal mining to the deep

the gas pressure of coal seam increases significantly. The key to gas control by coal seam water injection is the wetting effect of coal body. However

the wetting characteristics of surfactant solutions on coal under high gas pressure are not clear. In order to explore the effect of sodium dodecyl benzene sulfonate (SDBS) solutions on the wettability of coal under different gas pressures

SDBS solutions with SDBS mass fractions of 0.01%

0.05%

0.10%

0.20% and 0.40% were prepared. Then

wetting experiments were carried out under gas pressures of 0.0 MPa

0.5 MPa

1.0 MPa

1.5 MPa

2.0 MPa

2.5 MPa and 3.0 MPa

respectively

and the surface tension of SDBS solutions and its contact angle with coal samples wer

e calculated. The results show that when the gas pressure is 3.0 MPa and the SDBS mass fraction is 0.40%

the adhesion work is 45.33 mJ/m

the spreading coefficient is -4.022 mN/m and the surface free energy is -3234.80 J/mol.

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references

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