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What is Suncor Firebag SRU?

Updated: 4/28/2022
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14y ago

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Suncor Firebag in situ operations are located 40 kilometres northeast of Suncor's original oil sands plant.

In situ means they are injecting steam into the ground to heat up the bitumen; thereby causing the well to flow the heavy oil back to the surface for production.

Firebag recovers the bitumen along with the steam condensate from the well...this mixture is diluted with a special emulsion breaker upon processing to separate the mixture. The water is repurified in the plant and reused in the OTSG's (Once Through Steam Generators) and pushed back down hole for the continued cycle. The bitumen is further separated from the emulsion breaker and sent to the pipeline for upgrading. Firebag does not have an upgrader.

SRU is a new development at the Firebag Insitu plant. It stands for 'Sulphur Recovery Unit'. The SRU at Firebag was developed by Propak in Airdrie and is basically a gas plant containing 2 amine trains, 2 sulphur plants, 2 sulphur tanks, and 2 incinerators...all for reliability. Max sulphur produced will be 15 tonnes per train.

The Suncor SRU is a gas scrubbing solution to deal with the new EUB requirements. New data estimates this project may not run for some time as the produced gas from the producing wells does not provide a high enough acid gas stream. (Not a high enough H2S content) Once the forcasted Stage 3 project is online, this SRU could then become functional as the sulphur trains would then have enough acid gas to run.

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