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Martinez FLEXSORB® Project

 
H2S
selective removal while minimizing the pick up of CO2
No
No
Yes
Yes
No
Office: Monrovia 
Customer: Shell  
Location: Martinez, California, USA 
Timeframe: 2007 
WorleyParsons provided FEED, detailed design, and construction management to replace an existing Stretford unit with a FLEXSORB® unit at Shell OPUS’ Martinez Refinery in California.

The design covers a greenfield Low Btu Gas (LBG) treating unit that treats gas from the Flexicoker. The unit produces a clean gas to be used as refinery fuel and a lean H2S acid gas stream, to be further treated in the existing SRU.

The LBG treating unit utilises the proprietary FLEXSORB® SE Plus solvent to selectively remove H2S from the Flexicoker LBG feed while minimizing the pick up of CO2. The unit is designed to remove H2S in the feed gas to 10 ppmv.

The new 1500 gpm FLEXSORB® unit is licensed by ExxonMobil Research and Engineering (EMRE). The unit selectively removes H2S from the CO2 rich Flexicoker LBG gas stream, reduces overall air emissions, and improves sulfur recovery.

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