摘要
采用自制的可视化实验系统,对吐温(Tween)系列4组浓度均为0.001 mol/L的表面活性剂(T40,T80,T40/T80(1∶1),T40/T80(4∶1))在瓦斯水合物生成过程的影响进行了实验研究,得到了相关的实验数据和图片;结合水合物诱导时间、生成速率及含气率等计算理论,对数据进行了分析.结果表明:表面活性剂的加入可显著地改善瓦斯水合物生成的热力学条件,有利于矿井瓦斯水合物的生成;T40对水合物生成的促进作用最大;相同浓度不同种类、相同种类不同复配比对水合物生成影响作用效果差别较大.
The experiments of effects of Tween series （ T40, T80, T40/T80 （ 1 ： 1 ）, T40/ T80 （4： 1 ） ） with the same concentration of 0. 001 mol/L on the process of gas hydrate formation were investigated using self-developed apparatus, meanwhile, experimental data and pictures were obtained. Then the data were analyzed combined with the calculation theories of hydrate＇ s induction time, formation rate and void fraction. The results showed that the addition of surfactants which can improve the thermodynamic conditions of gas hydrate formation remarkably is beneficial to mine gas hydrate formation. T40 has the greatest acceleration for hydrate formation, and the effects of different types of surfactants with the same concentration and the same types of surfactants with different concentration on hydrate formation display much more distinctions.
出处
《煤炭学报》
EI
CAS
CSCD
北大核心
2006年第2期191-195,共5页
Journal of China Coal Society
基金
国家自然科学基金资助项目(50374037
50574038)
教育部重点基金资助项目(地方03039)
