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Biomethane/RNG

Greenlane Renewables secures first Brazilian desulfurization tech order

Greenlane Renewables secures first Brazilian desulfurization tech order
An artist's rendering of a Greenlane Cascade H2S removal system (image courtesy Greenlane).

Canada-headed biogas upgrading technology provider Greenlane Renewables Inc. (Greenlane) has announced that its wholly-owned subsidiary Airdep S.r.l. (Airdep) has expanded its sales into the South American market, specifically in Brazil, with a first customer order for its biogas desulfurization equipment.

The Airdep units are engineered to remove hydrogen sulfide (H2S) from raw biogas to protect downstream equipment in a highly effective way at a low overall cost.

This order in Brazil is in addition to eight units deployed in North America within the last two years.

Globally, Airdep has sold more than 160 biogas desulfurization units, the majority of which, to date, have been deployed in Europe.

We’ve seen significant interest in North America and now in South America too, for our industry-leading biogas desulphurization equipment in the renewable natural gas (RNG) industry. We’re excited to be bringing a new paradigm in price performance for hydrogen sulfide removal to these markets and see untapped potential for our innovative products to help RNG project developers make their projects even more financially attractive and technically sound, Brad Douville, CEO of Greenlane.

Every biogas project requires H2S removal

Greenlane manufactures proprietary biogas desulfurization equipment for the global market. The company markets its biogas desulfurization equipment under the Greenlane Cascade H2S and the Airdep DBC brands.

According to the company, its biogas desulfurization product line delivers an established, robust, and cost-effective regenerative solution where the goal is low operating expense.

The biogas desulfurization technology does not require the use of oxygen and includes the following process steps. First, the raw biogas feeds into the bottom of a scrubbing tower where it flows, countercurrent, to a proprietary chemical solution where treated gas exits through the top of the scrubber.

Next, the sulfur-rich solution is regenerated in a separate oxidation tank. Then the regenerated solution is transferred to a sedimentation tank to separate the elemental sulfur solids while a clean, regenerated solution returns to the scrubbing tower in a continuous and efficient process.

The elemental sulfur solids created in the removal process can be spread on fields as fertilizer.

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