An ionic liquid process for mercury removal from natural gas.
Mahpuzah Abai1, Martin P Atkins, Amiruddin Hassan
1PETRONAS Research Sdn. Bhd., Lot 3288 & 3289, Off Jalan Ayer Itam, Kawasan Institusi Bangi, 43000 Kajang, Selangor, Malaysia.
Dalton Transactions (Cambridge, England : 2003)
|February 28, 2015
Summary
Ionic liquids on solid supports efficiently remove mercury vapor from natural gas. This technology has been scaled up and successfully used in industrial petroleum gas production for three years.
Area of Science:
- Chemical Engineering
- Materials Science
Background:
- Mercury vapor in natural gas poses environmental and operational challenges.
- Effective mercury removal is crucial for the petroleum gas industry.
Purpose of the Study:
- To investigate the chemistry behind mercury vapor scrubbing using chlorocuprate(II) ionic liquids.
- To demonstrate the scalability of this technology from laboratory to industrial applications.
Main Methods:
- Utilizing chlorocuprate(II) ionic liquids impregnated on high surface area porous solid supports.
- Laboratory and industrial-scale testing of mercury vapor removal from natural gas streams.
Main Results:
- Achieved efficient scrubbing of mercury vapor in both laboratory and industrial settings.
- Demonstrated successful commercialization and continuous operation for three years in a Malaysian natural gas plant.
Conclusions:
- Chlorocuprate(II) ionic liquid-based materials are highly effective for mercury vapor removal from natural gas.
- The technology is scalable and proven for industrial application in the petroleum gas sector.
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