Product Description

Biogas purification: Energy recovery, consistent 99+% H2S removal from biogas

BgPur H2S: Biogas Purification

Eco-Tec’s Biogas Purification System – BgPur™ – is an award-winning technology that reduces sulfur dioxide emissions, equipment corrosion, and fouling by removing hydrogen sulfide (H2S) from biogas; in turn, BgPur recovers the biogas for multiple power-generation applications – with no waste or disposal of potentially hazardous media.

Methane gas is derived through anaerobic digestion processes used by, among others, food processors, landfills, waste treatment, water treatment, and livestock farms. To produce biogas, methane gas first needs to be purified by removing the hydrogen sulfide (H2S). Once the H2S is efficiently and economically removed, the methane can then be reused for power generation, cogeneration, and heating applications.

Through its patented, high efficiency scrubbing process, Eco-Tec’s BgPur provides an economical system that effectively removes H2S from methane gas, and converts it into an elemental sulfur by-product. This by-product is non-hazardous and can be disposed of safely with biosolids, as a fertilizer or in a landfill. The biogas scrubbing system can improve the economic feasibility of energy recovery by reducing maintenance and operating costs of biogas handling.

BgPur H2S: Biogas Purification

BgPur™ System (Dual Contactor) operating on gas from an anaerobic digester



The following industry applications can easily incorporate Eco-Tec’s product series for biogas purification:

  • Municipal wastewater treatment plants
  • Industrial wastewater treatment plants
  • Landfill gas •Industrial processing
  • Agriculture
  • Pulp & paper mills
  • Food & beverage processing
  • Sweep air
  • Meat rendering plants


Benefits of BgPur H2S Biogas Purification System

  • Flexible Design – Completely scalable, ideal for easy integration into facility processes.
  • Small Footprint – Skid-mounted, compact with a small footprint
  • Automatic, Robust Design – Configured with automatic controls that adjust to changes in gas flow rate and level fluctuations
  • Simple Operation – Simple to install, easy to operate, fully automatic
  • Economical Operation – Requires minimal energy resulting in lower costs
  • Environmentally Friendly – Agricultural chemicals used (absorbent), agricultural by-product produced, minimal energy consumption, maximum energy recovery

For more information about BgPur, visit Eco-Tec website.

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