Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
| Experimental study of mixed CH4/CO2 hydrate formation kinetics and modeling | |
Zhou, Xuebing1,2,3; Liang, Deqing1,2 ; Yi, Lizhi1,2,3
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| 2014-11-01 | |
| Source Publication | ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING
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| Volume | 9Issue:6Pages:886-894 |
| Abstract | The gas hydrate formation process from CH4/CO2 gas mixtures was experimentally investigated in a 5.3L stirred reactor under isothermal-isochoric conditions in a feed pressure of 3.5MPa at the temperature ranging from 0.0 to 4.0 degrees C and CH4 mole fraction in the feed gas ranging from 0.2 to 0.8. The composition changes of the gas phase were determined by gas chromatography, and a simplified kinetic model was used to calculate the gas composition changes in the hydrate phase. The results showed that the initial gas consumption rates and the total gas consumptions of each gas species were remarkably enhanced as the temperature decreased. The gas consumptions can be well described by the kinetic model with an overall average absolute deviation of 5.2%. In addition, the hydrate formation from CH4/CO2 gas mixtures exhibited a good selectivity for CO2 capture in the early stage of hydrate crystallization, especially at high temperatures. Increased CO2 concentration in the feed gas could also efficiently accelerate the hydrate formation. It was suggested that CO2 played a key function in stabilizing hydrate structure in the newly formed hydrate nuclei. (c) 2014 Curtin University of Technology and John Wiley & Sons, Ltd. |
| Subtype | Article |
| Keyword | Gas Hydrate Carbon Dioxide Methane Kinetics Co2 Recovery |
| WOS Headings | Science & Technology ; Technology |
| DOI | 10.1002/apj.1839 |
| WOS Subject Extended | Engineering |
| WOS Keyword | CARBON-DIOXIDE ; NATURAL-GAS ; CLATHRATE HYDRATE ; METHANE RECOVERY ; PRESSURIZED CO2 ; CAGE OCCUPANCY ; LIQUID CO2 ; FLUE-GAS ; MIXTURES ; HYDROGEN |
| Indexed By | SCI |
| Language | 英语 |
| WOS Subject | Engineering, Chemical |
| WOS ID | WOS:000346294200011 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.giec.ac.cn/handle/344007/10678 |
| Collection | 中国科学院广州能源研究所 |
| Affiliation | 1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China 2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China 3.Chinese Acad Sci, Grad Univ, Beijing 100083, Peoples R China |
| First Author Affilication | GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences |
| Recommended Citation GB/T 7714 | Zhou, Xuebing,Liang, Deqing,Yi, Lizhi. Experimental study of mixed CH4/CO2 hydrate formation kinetics and modeling[J]. ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING,2014,9(6):886-894. |
| APA | Zhou, Xuebing,Liang, Deqing,&Yi, Lizhi.(2014).Experimental study of mixed CH4/CO2 hydrate formation kinetics and modeling.ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING,9(6),886-894. |
| MLA | Zhou, Xuebing,et al."Experimental study of mixed CH4/CO2 hydrate formation kinetics and modeling".ASIA-PACIFIC JOURNAL OF CHEMICAL ENGINEERING 9.6(2014):886-894. |
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