A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization

CIESC Journal ›› 2011, Vol. 19 ›› Issue (3): 452-461.

A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization

边海军, 徐文东, 李秀喜, 钱宇

School of Chemistry and Chemical Engineering, the State Key Lab for Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China

收稿日期:2010-09-30 修回日期:2011-02-22 出版日期:2011-06-28 发布日期:2011-06-28
通讯作者: QIAN Yu, E-mail: ceyuqian@scut.edu.cn
基金资助:
Supported by the National Natural Science Foundation of China(20876056,20536020);the PhD Program Fund from Ministry of Education of China(20100172110016)

A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization

BIAN Haijun, XU Wendong, LI Xiuxi, QIAN Yu

School of Chemistry and Chemical Engineering, the State Key Lab for Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China

Received:2010-09-30 Revised:2011-02-22 Online:2011-06-28 Published:2011-06-28
Supported by:
Supported by the National Natural Science Foundation of China(20876056,20536020);the PhD Program Fund from Ministry of Education of China(20100172110016)

摘要/Abstract

摘要： A novel process to recovery natural gas liquids from oil field associated gas with liquefied natural gas (LNG)cryogenic energy utilization is proposed.Compared to the current electric refrigeration process,the proposed process uses the cryogenic energy of LNG and saves 62.6%of electricity.The proposed process recovers ethane, liquid petroleum gas(propane and butane)and heavier hydrocarbons,with total recovery rate of natural gas liquids up to 96.8%.In this paper,exergy analysis and the energy utilization diagram method(EUD)are used to assess the new process and identify the key operation units with large exergy loss.The results show that exergy efficiency of the new process is 44.3%.Compared to the electric refrigeration process,exergy efficiency of the new process is improved by 16%.The proposed process has been applied and implemented in a conceptual design scheme of the cryogenic energy utilization for a 300 million tons/yr LNG receiving terminal in a northern Chinese harbor.

关键词: liquefied natural gas, utilization of cryogenic energy, recovery of natural gas liquids, exergy analysis

Abstract: A novel process to recovery natural gas liquids from oil field associated gas with liquefied natural gas (LNG)cryogenic energy utilization is proposed.Compared to the current electric refrigeration process,the proposed process uses the cryogenic energy of LNG and saves 62.6%of electricity.The proposed process recovers ethane, liquid petroleum gas(propane and butane)and heavier hydrocarbons,with total recovery rate of natural gas liquids up to 96.8%.In this paper,exergy analysis and the energy utilization diagram method(EUD)are used to assess the new process and identify the key operation units with large exergy loss.The results show that exergy efficiency of the new process is 44.3%.Compared to the electric refrigeration process,exergy efficiency of the new process is improved by 16%.The proposed process has been applied and implemented in a conceptual design scheme of the cryogenic energy utilization for a 300 million tons/yr LNG receiving terminal in a northern Chinese harbor.

Key words: liquefied natural gas, utilization of cryogenic energy, recovery of natural gas liquids, exergy analysis

边海军, 徐文东, 李秀喜, 钱宇. A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization[J]. CIESC Journal, 2011, 19(3): 452-461.

BIAN Haijun, XU Wendong, LI Xiuxi, QIAN Yu. A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization[J]. , 2011, 19(3): 452-461.

参考文献

1 Yudong, W., Principles and Processes of Natural Gas Treatment, China Petrochemical Press, Beijing(2007).(in Chinese)
2 Yamanouchi, N., Nagasawa, H., “Using LNG cold for air separation”, Chem. Eng. Progr., 75, 78-82(1979).
3 Nakaiwa, M., Akiya, T., Owa, M., Tanakay, Y. “Evaluation of an energy supply system with air separation”, Energy Convers. Manage., 37, 295-301(1996).
4 Chen, Z.S., Chen, W.L., “A new air separation system by using cold energy of LNG”, J. Eng. Thermophys., 25, 913-916(2004).(in Chinese)
5 Dispenza, C., Dispenza, G., La Rocca, V., Panno, G., “Exergy recovery during LNG regasification: Electric energy production—Part one”, App. Therm. Eng., 29, 380-387(2009).
6 Zhang, N., Lior, N., “A novel near-zero CO₂ emission thermal cycle with LNG cryogenic exergy utilization”, Energy, 31, 1666-1679(2006).
7 Xiong, Y.Q., Hua, B.., Jia, D.M., “Process of cold energy utilization of LNG satellite station in waste rubber cryogenic comminution”, Moden Chemistry Industry, 29, 59-62(2009).(in Chinese)
8 Wang, Q., Li, Y.Z., Chen, X., Lv, X.G., “Analysis on cold energy of liquefied natural gas and its recovering and utilization”, Fluid Machinery, 31, 56-58(2003).(in Chinese)
9 Wang, X.K., Zhang, H., Yan, S.R.,Wang, D.F, “Big NGL recovering plant with advanced cryogenic technology”, Natural Gas Industry, 23, 133-35(2003).(in Chinese)
10 Aspen Technology, Inc., Aspen plus version 11.1, 2009, http://www. aspentech.com.
11 Kotas, T., The Exergy Method of Thermal Plant Analysis, Butterworths, London(1985).
12 Hinderink, A., Kerkhof, F., “Exergy analysis with a flow sheeting simulator-Ι. Theory calculating exergies of material streams”, Chem. Eng. Sci., 51, 4693-4700(1996).
13 Jin, H.G., Ishida, M., “Graphical exergy analysis of complex cycle”, Energy, 18, 615-25(1993).
14 Srinophakun, T., Laowithayangkul, S., Ishida, M., “Simulation of power cycle with energy utilization diagram”, Energy Convers. Manage., 42, 1437-1456(2001).

A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization

A Novel Process for Natural Gas Liquids Recovery from Oil Field Associated Gas with Liquefied Natural Gas Cryogenic Energy Utilization

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