据悉,沙特阿美公司表示,公司旗下位于朱拜耳的Berri天然气工厂(BGP)已经在乙烷和天然气液体(NGL)回收装置试运行一个新增的更加高效的乙烷液化交换器。这个新的交换器已经永久性替代该装置现有的乙烷液化设施,这是公司提高装置能效的最新举措。
沙特阿美称,老的系统不仅能效低下,而且对环境危害较大,因为回收压缩机的影响,每天需要燃烧掉400万立方英尺的乙烷。同时液化生产能力也被限制在2000万立方英就/天。BGP已经通过将乙烷和NGL回收装置与液化工艺整合的方式来改善工艺和最小化能源消耗。新的系统还可以将液态乙烷生产能力提高至2500万立方英尺/天。
庞晓华摘译自《Chemical Week》2015-7-9
原文如下:
Aramco upgrades Berri ethane plant
9:47 AM MDT | July 9, 2015 | Natasha Alperowic
Saudi Aramco says its Berri gas plant at Al Jubail has commissioned a new, more efficient ethane liquefaction exchanger at the ethane and natural gas liquefaction (NGL) recovery plant. The new exchanger has permanently replaced the plant's existing ethane liquefaction unit and is the latest in its efforts to increase plant energy efficiency.
The old system was not only less efficient but also hurt the environment by flaring 4 million standard cubic feet/day of ethane because of recycle compressor trips. The liquefaction rate was also limited to 20 million standard cubic feet/day. BGP saw an opportunity to improve the process and minimize energy consumption by integrating the ethane and NGL recovery plant with the liquefaction process. The new system is capable of producing 25 million standard cubic feet/day of liquid ethane.