In situ high-pressure NMR observations on the formation and dissociation of methane hydrate

被引：0

作者：

Chen, Ai Bing ^{[1
]}

Zhang, Wei Ping ^{[1
]}

Lan, Xi Jie ^{[1
]}

Zheng, Heng ^{[1
]}

Liu, Xiu Mei ^{[1
]}

Han, Xiu Wen ^{[1
]}

Bao, Xin He ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

来源：

CHINESE CHEMICAL LETTERS | 2006年 / 17卷 / 06期

关键词：

in situ NMR; high-pressure NMR; methane; methane hydrate; hydrate formation; hydrate dissociation;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A home-made static NMR cell with pressure up to 10 MPa was employed to observe the formation and dissociation processes of methane hydrate by in situ H-1 and C-13 NMR spectroscopies. Methane hydrate can be formed or decomposed in the temperature range of -5 to -13 degrees C at pressures between 4.0 and 7.0 MPa. The higher methane pressure, the formation or dissociation temperature of methane hydrate was higher. In situ H-1 NMR experiments indicated that the critical size of the hydrate clusters is crucial for the formation of methane hydrate.

引用

页码：791 / 794

页数：4

共 50 条

[1] In situ High-pressure NMR Observations on the Formation and Dissociation of Methane Hydrate
Ai Bing CHEN
[J]. Chinese Chemical Letters, 2006, (06) : 791 - 794
[2] In situ observations of high-pressure phase transformations in a synthetic methane hydrate
Shimizu, H
Kumazaki, T
Kume, T
Sasaki, S
[J]. JOURNAL OF PHYSICAL CHEMISTRY B, 2002, 106 (01): : 30 - 33
[3] In situ Raman spectroscopic study of the dissociation of methane hydrate at high pressure
Sun, Q.
Zheng, H. F.
[J]. APPLIED SPECTROSCOPY, 2006, 60 (09) : 985 - 988
[4] High-pressure transitions in methane hydrate
Loveday, JS
Nelmes, RJ
Guthrie, M
[J]. CHEMICAL PHYSICS LETTERS, 2001, 350 (5-6) : 459 - 465
[5] High-pressure structures of methane hydrate
Hirai, H
Uchihara, Y
Fujihisa, H
Sakashita, M
Katoh, E
Aoki, K
Yamamoto, Y
Nagashima, K
Yagi, T
[J]. JOURNAL OF PHYSICS-CONDENSED MATTER, 2002, 14 (44) : 11443 - 11446
[6] High-pressure Brillouin study on methane hydrate
Sasaki, S
Kumazaki, T
Suwa, I
Kume, T
Shimizu, H
[J]. JOURNAL OF PHYSICS-CONDENSED MATTER, 2002, 14 (44) : 10445 - 10448
[7] NMR investigation of methane hydrate dissociation
Gupta, Arvind
Dec, Steven F.
Koh, Carolyn A.
Sloan, E. D., Jr.
[J]. JOURNAL OF PHYSICAL CHEMISTRY C, 2007, 111 (05): : 2341 - 2346
[8] In situ observations of methane hydrate formation mechanisms by Raman spectroscopy
Uchida, T
Okabe, R
Mae, S
Ebinuma, T
Narita, H
[J]. GAS HYDRATES: CHALLENGES FOR THE FUTURE, 2000, 912 : 593 - 601
[9] The effect of elevated methane pressure on methane hydrate dissociation
Circone, S
Stern, LA
Kirby, SH
[J]. AMERICAN MINERALOGIST, 2004, 89 (8-9) : 1192 - 1201
[10] Experiment on methane hydrate kinetics in a high-pressure transparent autoclave
Huang, Ting
Li, Changjun
Li, Qingping
Ding, Ling
Aman Zachary, M.
[J]. Huagong Jinzhan/Chemical Industry and Engineering Progress, 2020, 39 (07): : 2624 - 2631

← 1 2 3 4 5 →