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公开(公告)号：EP3351882B1
公开(公告)日：2024-05-01
申请号：EP18152558.5
申请日：2018-01-19
CPC分类号： F25J1/0022 , F25J1/0052 , F25J1/0055 , F25J1/0082 , F25J1/0085 , F25J1/0087 , F25J1/0207 , F25J1/0216 , F25J1/0279 , F25J1/0292 , F25J2220/6420130101 , F25J2230/2020130101 , F25J2290/1220130101 , F04D17/122 , F04D29/5826
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公开(公告)号：EP4310161A3
公开(公告)日：2024-06-12
申请号：EP23215105.0
申请日：2017-04-06
IPC分类号： C10L3/10
CPC分类号： F25J2200/0420130101 , F25J2200/7620130101 , F25J2200/7820130101 , F25J2215/0220130101 , F25J2220/6020130101 , F25J2260/2020130101 , F25J2280/1020130101 , F25J3/0209 , F25J3/0233 , F25J3/0238 , F25J3/0242 , F25J3/0247 , F25J3/0295 , F25J2205/0420130101 , F25J2205/5020130101 , F25J2210/0420130101 , F25J2230/3220130101 , F25J2230/6020130101 , F25J2240/0220130101 , F25J2245/0220130101 , F25J2290/1220130101 , F25J2205/3020130101
摘要： A method of removing high freeze point components from natural gas, comprises:
cooling a feed gas in a heat exchanger;
separating the cooled feed gas into a first vapor portion and a first liquid portion in a separator;
heating the first liquid portion using the heat exchanger;
separating the heated first liquid portion into a high freeze point components stream and a non-freezing components stream;
receiving at least a portion of the non-freezing components stream at an absorber tower;
receiving the first vapor portion at the absorber tower at a feed point below the at least a portion of the non-freezing components stream;
producing, using the absorber tower i) an overhead vapor product that is substantially free of high freeze point components, and ii) a bottoms product stream that includes high freeze point components and non-freezing components;
recycling at least a portion of the absorber tower bottoms stream to the feed gas upstream of the heat exchanger; and
heating the absorber tower overhead vapor product using the heat exchanger.
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