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Non-Amine Mercaptan Scavenger
Q2 Technologies has brought to market the Enviro-Solve ProM series; an innovative non-amine/non-aldehyde mercaptans scavenger for crude oil applications. Q2 Technologies and its former partner Quaker Chemical developed the triazine technology that is used world-wide today. A need was identified to reduce fouling created by amine based scavengers in refineries, production streams and crude oil terminals.
R (Enviro-Solve ProM) + Mercaptans (RSH) R’SO4-2 + H2O
- Enviro-Solve ProM will react with the H2S molecules and turns them into aqueous non-toxic sulphate salt.
- The heavier sulphate salt molecule will drop into produced water stream.
- Reaction is fast and irreversible.
Enviro-Solve ProM reaction time may take from 24-72 hours depending on mercaptan species and viscosity of the hydrocarbon. The viscosity of the hydrocarbon will have a direct impact on how Enviro-Solve ProM separates.
- Enviro-Solve ProM will not reaction with double bonded sulfur compounds.
- Testing on individual hydrocarbon streams is necessary to determine a performance estimation.
An experiment was designed using Trace Sulphur Analysis to determine the performance of Enviro-Solve ProM on different mercaptans from condensate sample from Alberta, CA. A baseline was obtained and then Enviro-Solve ProM was added to the Test Condensate. The Enviro-Solve ProM was injected into the Test Condensate sample and then agitated by hand for a period of five minutes. The Trace Sulphur Analysis was then performed on the sample after 24 hours had elapsed. The samples was then agitated for 2 minutes and allowed to sit for another 24 hours until 48 hours total test time had elapsed. The Trace Sulphur analysis was then repeated. The results are as follows:
Table 1. Results on the Test Condensate using Enviro-Solve ProM at 2000 ppm concentrations at elapsed time of 0, 24 and 48 hours.