Midstream

H2S Removal From Natural Gas Amine

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Hydrogen Sulfide (H2S) is one of the most problematic and costliest contaminants in natural gas processing. Its presence in natural gas poses a significant risk to employees, equipment, compliance, and profitability. 

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Effective removal of H2S is essential to meeting strict pipeline quality standards, protecting critical assets, and maintaining reliable operations. 

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Activated carbon is a proven technology for removing H2S from natural gas streams, providing predictable performance without many of the operational challenges associated with conventional scavenger technologies.

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NORIT's PETRODARCO® H2S activated carbon provides a safe, reliable, and lower-operating cost alternative to conventional technologies such as triazine liquid scavengers and iron-based media. Benefits include:

  • Safer Operations: Dry activated carbon eliminates liquid chemical handling while providing thermally stable spent media that simplifies handling and disposal.

  • Reliable performance: High H2S capacity and stable bed life deliver predictable sulfur removal across varying operating conditions without plugging or bricking.

  • Lower Operating Costs: High sulfur loading (>85%), fewer changeouts, and reduced maintenance lower media usage and the total cost of sulfur removal.

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Industry Leading

PETRODARCO H2S

  • 4 x 14 GAC
  • 65-100+%* Loading capacity
  • Lower density / less fill cost
  • Long life / Less changeouts
  • Safe! Non-self heating
  • Non-reversible reaction
  • Easy and effective: No bricking
  • Lowest $/lb of sulfur removed
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Granular activated carbon

(*per operating conditions)

Pelletized Version

PETRODARCO H2S P

  • 4mm pellet
  • 55-85%* Loading capacity
  • Low pressure drop
  • Low dust
  • Safe! Non-self heating
  • Non-reversible reaction
  • Easy and effective: No bricking


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Extruded activated carbon

(*per operating conditions)

Video: H2S Removal With PETRODARCO H2S

PETRODARCO H2S removes H2S from gas safely, effectively, and easily. Our animated video shows how using PETRODARCO H2S in a lead/lag (worker/polisher) vessel configuration optimizes loading capacity, reduces the cost per pound of sulfur removed, and enables maintenance without interruption.



  • PETRODARCO H2S, NORIT's flagship H2S removal product, converts H2S to elemental sulfur and sequesters it within the activated carbon's pore network.
  • NORIT recommends a lead/lag vessel configuration to maximize loading capacity. This enables H2S loading capacity to exceed 85% by weight, reducing the $/lb of sulfur removed.
  • A lead/lag vessel configuration keeps the H2S removal system online during change-outs, with the lag vessel becoming the lead.
  • To further optimize PETRODARCO H2S performance, inject a 1:1 O2-to-H2S ratio and maintain relative humidity between 60-100%.
  • The lead/lag configuration enables optimal loading rates by slowing the reaction as sulfur adsorption increases.

RESOURCES

Midstream Petrodarco Case Study Thumbnail

 

Case Study

Learn how PETRODARCO H2S reduced operating risk, lowered costs, and improved H2S management.

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White paper Spent Carbon

TBD One Pager


Fate of Spent Specialty Non-Impregnated Activated Carbon in Landfills

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Video Series Webpage-1

 

Video Series

Learn about activated carbon, adsorption fundamentals, and the value it creates

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