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复合型水合物防聚剂
引用本文:徐勇军,杨晓西,丁静,叶国兴.复合型水合物防聚剂[J].化工学报,2004,55(8):1358-1364.
作者姓名:徐勇军  杨晓西  丁静  叶国兴
作者单位:华南理工大学强化传热与过程节能教育部重点实验室,广东 广州 510640
基金项目:国家重点基础研究发展规划项目 (No G2 0 0 0 0 2 63 ),广东省自然科学基金项目 (No 990 885 )~~
摘    要:利用可视化蓝宝石高压流体测试系统,以甲烷水合物为研究对象,在水和壬烷组成的水-碳氢化合物的混合体系中,研究了由两种非离子表面活性剂组成的复合型防聚剂.实验结果表明,该类防聚剂用量为0.4%~0.8%(与水质量相比),所能承受的最大过冷度最高可以达到17℃,和单组分的表面活性剂防聚剂相比[用量一般为0.5%~3%(与水质量相比),最大过冷度最高的也只有12℃],其防聚性能有了很大的提高.另外,还对该类防聚剂的作用机理进行了探讨.

关 键 词:气体水合物  表面活性剂  防聚剂  甲烷  阻止
文章编号:0438-1157(2004)08-1358-07
收稿时间:2003-11-26
修稿时间:2004-5-10  

COMPOUND HYDRATE ANTI-AGGLOMERANTS
XU Yongjun,YANG Xiaoxi,DING Jing,YE Guoxing.COMPOUND HYDRATE ANTI-AGGLOMERANTS[J].Journal of Chemical Industry and Engineering(China),2004,55(8):1358-1364.
Authors:XU Yongjun  YANG Xiaoxi  DING Jing  YE Guoxing
Abstract:In a water-hydrocarbon fluid consisting of water and nonane,anti-agglomerants composed of two kinds of nonionic surfactant were tested in a visualized high-pressure sapphire apparatus.The results showed that they were effective for preventing methane hydrate from agglomerating and their concentrations in the system did not exceed 0.8% of water mass and the degree of supercooling they could tolerate reached 17℃.The performance of the compound anti-agglomerant was improved greatly compared with the one-component ones(concentration:0.5%—3% of water mass; the degree of supercooling: below 12℃ ).Finally, the mechanism was discussed.
Keywords:gas hydrate  surfactant  anti-agglomerant  methane  prevention  
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