Biogas Chemical Scrubber
Proven Chemical Scrubbing for Clean, Compliant Biogas Processing
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Overview
CRA’s scrubbers eliminate corrosive and odorous compounds such as hydrogen sulfide (H₂S) through automated caustic (NaOH) solution dosing. Engineered to meet exact ppm requirements for inlet conditions like H₂S levels or gas flow rate, the systems scale seamlessly with plant demands. Featuring a packed bed and spray tower designs, they ensure high scrubbing efficiency, regulatory compliance, low maintenance, and extended protection for downstream equipment.
Key Benefits
Achieves high efficiency for sulfur compounds, even under fluctuating flow or load
Removes contaminants that damage compressors and membranes, reducing maintenance costs and downtime
Neutralizes foul-smelling gases to meet environmental and community standards
Energy-efficient recirculation, optimized flow, and automated chemical dosing reduce the cost of ownership
Easily integrated into new or retrofit installations, with single or multi-stage options for complex streams.
The CRA Edge
Decades of gas treatment experience with 100+ chemical scrubbers installed around the world for diverse applications
From modeling to fabrication, CRA delivers turnkey systems with fans, pumps, dosing, and automation
CRA provides a suite of tailored, complementary products designed to meet all your biogas needs
Engineered to ensure clean gas quality, odor control, and protection of downstream equipment
