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Issue:ISSN 1006-5539
          CN 51-1183/TE

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    Your Position ：Home->Past Journals Catalog->2011 Vol.3

    Applictaion of Throttling Expansion in Natural Gas Hydrocarbon Dew Point Control Process
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    Key Words： Heavy hydrocarbon recovery； Isentropy expansion； Throttling expansion； Adiabatic expansion
    Abstract： Introduced are different processes selected in gas hydrocarbon dew point control， compared are adaptability and advantages and disadvantages of these processes and described are throttling expansion process， isentropy expansion process and external refrigeration process in low temperature separation technology. Analyzed are principles of throttling expansion process and isentropy expansion process and derivation formula is adopted to identify the essential distinction of the both theoretically. According to actual application situations of the both processes in specific projects， analyzed and compared are different process flows， project investments and operation difficulties， put forward are optimal technical schemes for ensuring high efficient operation of process units and selected is the final design scheme suitable for natural gas hydrocarbon dew point control in certain gas treatment plant.
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