The iron chelate H₂S removal system is a clean and reliable solution for landfill gas treatment. The iron chelate H₂S removal system is a clean and reliable solution for landfill gas treatment. The iron chelate system removes hydrogen sulfide from landfill gas to protect engines, RNG and upgrading equipment, pipelines, and the environment. It converts H₂S into safe, elemental sulfur and continuously regenerates, delivering high efficiency with low operating costs. Want to learn more? Contact us today to learn more about our products and services: Tyler Helton (980) 265-0318 or email tyler.helton@landfillgroup.com