Ethylene recovery in EO/EG plant
Problem:
The venting from reactor loop gas to avoid the build-up of argon will inevitably cause the loss of ethylene and methane. For a 300kta PE plant, ethylene loss in the vent gas is close to 200-400 tons/year. Eurofilm's membrane technology has been applied widely for the following processes:
Applications:
• SD (USA)
• Shell (NL)
• Dow (USA)
Performance:
• Ethylene recovery: 80-90%
• CH4 recovery: 70-80%
Scope of supply:
• Compressor (upon request)
• HCs membrane unit
Standards:
• Pressure vessel: ASME, TEMA
• Electrical: IEC or NEC
• ISO 9001 certified process
• Hazardous (ATEX/Class Div2)
References:
Location: USA
End user: ExxonMobil/SABIC
Technology: SD
Ethylene recovery: >88.2 %
Argon removal: >136 kg/hr
Location: Saudi Arabia
End user: SABIC
Technology: SD
Ethylene recovery: >91.6%
Argon removal: >18 kg/hr
CO2 removal: >74 kg/hr
Location: Japan
End user: Mitsuishi Chemical
Technology: Shell
Ethylene recovery: >80%
Argon removal: >25 kg/hr
Location: China
End user: SINOPEC
Technology: Shell
Ethylene recovery: > 88.5%
Argon removal: > 125 kg/hr
Address: No. 17, Qinglong Street, Lushunkou Longtou Industrial Zone, Dalian
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