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- Title
环戊烷水合物作为氨基酸型促进剂 初筛方法的实验研究.
- Authors
任悦萌; 闫柯乐; 文峰; 王林
- Abstract
Solid natural gas hydrate is a kind of energy storage method with high efficiency and safety. However, it is limited by harsh generation conditions and slow generation rate. Therefore, hydrate promoters become the focus of attention in recent years. The effect of norvaline, alanine and histidine in the normal pressure cyclopentane hydrate system and the high pressure methane hydrate system were compared and tested, and the feasibility of using safer cyclopentane system to screen hydrate accelerators was studied. The results show that compared with alanine and histidine, norvaline in the cyclopentane system has the most efficient promotion effect, which significantly increases the rate of the hydrate formation with the optimal concentration (mass fraction) of 0. 5%. The induction time and the maximum reaction temperature is 9. 5 min and 4. 5% respectively. In addition, the emulsifier Span 20 has a good synergistic effect on the norvaline. Similarly, norvaline also has the best promotion performance in the methane hydrate system, effectively enhancing the gas storage capacity of the methane hydrate. It is found that high initial subcooling leads to fast hydrate formation rate and large gas storage capacity. Therefore, the cyclopentane hydrate system can be used as a preliminary screening method for high-efficiency amino acid promoters.
- Publication
Science Technology & Engineering, 2022, Vol 22, Issue 12, p4895
- ISSN
1671-1815
- Publication type
Article