| 一种新的利用LNG冷能的回收油田伴生气凝液的工艺 |
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| 引用本文： | 边海军,徐文东,李秀喜,钱宇.一种新的利用LNG冷能的回收油田伴生气凝液的工艺[J].中国化学工程学报,2011,19(3):452-461. |
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| 作者姓名： | 边海军 徐文东 李秀喜 钱宇 |
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| 作者单位： | School of Chemistry and Chemical Engineering, the State Key Lab for Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China |
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| 基金项目： | Supported by the National Natural Science Foundation of China(20876056,20536020); the PhD Program Fund from Ministry of Education of China(20100172110016) |
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| 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.
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| 关 键 词： | liquefied natural gas utilization of cryogenic energy recovery of natural gas liquids exergy analysis |
| 收稿时间： | 2010-9-30 |
| 修稿时间： | 2010-9-30
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A novel process for natural gas liquids recovery from oil field associated gas with liquefied natural gas cryogenic energy utilization |
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| 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].Chinese Journal of Chemical Engineering,2011,19(3):452-461. |
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| Authors: | BIAN Haijun XU Wendong LI Xiuxi QIAN Yu |
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| Affiliation: | School of Chemistry and Chemical Engineering, the State Key Lab for Pulp and Paper Engineering, South China University of Technology, Guangzhou 510640, China |
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| 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 cryo-genic energy utilization for a 300 million tons/yr LNG receiving terminal in a northern Chinese harbor. |
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| Keywords: | liquefied natural gas utilization of cryogenic energy recovery of natural gas liquids exergy analysis |
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