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| 引用本文： | 张育芳. ��ѹ���������չ��ռ���·���о�[J]. 天然气工业, 1996, 16(1): 72-76 |
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| 作者姓名： | 张育芳 |
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| 作者单位： | ????????? |
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| 摘 要： | 低压气主要指油田伴生气及原油稳定尾气，它们一般都具有压力低，富含轻烯的特点，把天然气中的轻烯提取出来，可以改善商品气的质量和提高天然气的整体经济效益，为此，专门讨论了用低温分离法回收天然气中轻烯的工艺技术路线，经过多种回收方案的计算与比较后得出，对低压气而言，采用复合制冷工艺－－外部冷源循环制冷加气体膨胀制冷来回收天然气中的轻烯是非常经济和节省能源的选择。
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| 关 键 词： | 低压 天然气 轻烯 回收方法 低温分离法 |
TECHNOLOGICAL PROCESS OF RECOVERING LIGHT ENDS FROM LOW PRESSURE GASES |
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| Zhang Yufang. TECHNOLOGICAL PROCESS OF RECOVERING LIGHT ENDS FROM LOW PRESSURE GASES[J]. Natural Gas Industry, 1996, 16(1): 72-76 |
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| Authors: | Zhang Yufang |
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| Affiliation: | Southwest Petroleum Institute |
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| Abstract: | ??Low pressure gas often refers to associated gas and stabilized end gas in crude oil.They are characterized by low pressure and abundant light ends.Extracting light ends from natural gas is able to enhance the quality of commercial gas and the overall economic benefit.The technical process of recovering light ends from natural gas by low temperature separation is discussed.It is a very economical selection for low pressure gas adopting composite refrigeration process,combining external cold source cyclic refrigeration with gas expansion refrigeration,to recover light ends from natural gas after computing and comparing several recovery programs. |
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| Keywords: | Low pressure Natural gas Light ends recovery Method Selection |
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