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Gas treating method and apparatus

  • US 8,894,758 B2
  • Filed: 03/01/2013
  • Issued: 11/25/2014
  • Est. Priority Date: 01/10/2006
  • Status: Expired due to Fees
First Claim
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1. A system for treating a contaminated gas comprising:

  • a vessel comprising;

    a pool of contaminant-absorbing liquid comprising a hydrogen sulfide scavenger;

    a manifold for introducing the contaminated gas into the vessel, wherein the manifold introduces the gas into the vessel below the top level of the pool of contaminant-absorbing liquid;

    at least one flow disperser contained within the vessel and positioned above the manifold and beneath the level of the pool of contaminant absorbing liquid;

    one or more spray nozzles contained within the vessel and positioned above the level of the pool of contaminant-absorbing liquid, operable to introduce contaminant-absorbing liquid counter-current to the flow of contaminated gas in the vessel; and

    a drain for removing the contaminant-absorbing liquid from the vessel;

    a cooler operable for receiving contaminated gas and contaminant absorbing liquid from the vessel, wherein the cooler reduces the temperature of the received contaminated gas and contaminant absorbing liquid;

    a separator operable to separate the cooled contaminant-absorbing liquid from the cooled contaminated gas; and

    a heat exchanger operable to reheat the contaminant-absorbing liquid after the contaminant-absorbing liquid leaves the separator.

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