UTB wet scrubbers are the most suitable option for small and mid-size plants and are designed for removal of hydrogen sulfide (H2S).
Biogas is washed with a water-NaOH solution in a two-stage process: premixing at the inlet, and extended counterflow contact in a packed bed tower with the scrubbing solution.
Skid-mounted package unit
Stainless steel construction
Base tank with float switches and pH-meter
On-board solution recirculating pump + NaOH dosing pump
Packed bed tower with random dumped packing
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