Biogas upgrading systems cleanse the impurities in biogas and separate the carbon dioxide from the biomethane to create a clean, high-purity low-carbon fuel: biomethane / renewable natural gas (RNG).
Greenlane's biogas upgrading systems cleanse the impurities in biogas and separate the carbon dioxide from the biomethane to create a clean, high-purity, low-carbon fuel: biomethane / RNG. Greenlane is the only biogas upgrading company to offer multiple core technologies: water wash, pressure swing adsorption (PSA), membrane separation, plus proprietary desulfurization solutions.
Greenlane solutions are built around standard product platforms. Once operational, Greenlane can provide aftercare service, including 24/7 technical support and remote monitoring, as well as maintenance and spare parts.
Every biogas project requires hydrogen sulfide removal. Greenlane™ Cascade H2S product line delivers an established, robust and cost-effective regenerative biogas desulfurization solution for biogas-to-power or biogas upgrading projects where the goal is low operating expense.
The raw untreated biogas feeds into the bottom of a scrubbing tower where it flows, countercurrent, to a proprietary chemical solution. Treated gas exits through the top of the scrubber. 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. Clean, regenerated solution returns to the scrubbing tower in a continuous and efficient process.
The Greenlane™ product line for biogas desulfurization is easy to install and operate, creates elemental sulfur solids that can be spread on fields as fertilizer, and eliminates many of the operational and oxygen issues and costs that come with traditional biological scrubbing and media-based hydrogen sulfide removal systems.
Greenlane leads the field in water-wash (or water-scrubbing) technology, the most deployed biogas upgrading technology in the world. Water-wash systems use counter-flow water to scrub away impurities without the need for chemicals or heat.
The Greenlane water-wash process is simple. The raw untreated biogas flows through bulk hydrogen sulfide removal then is compressed, and flows upwards through a cascade of water. The carbon dioxide, remaining hydrogen sulfide, volatile organic compounds, and siloxanes dissolve into the water, while the biomethane does not. The biomethane is then dehydrated, providing pure, dry RNG. The water is cleaned of the impurities by counter-flowing air through it and reused in a closed loop.
The Greenlane™ product line for high-efficiency water-wash systems comprises five models designed to meet a wide range of flow-rate requirements. All the models are of a standard modular design with a compact footprint, able to process different raw biogas flow. Where larger capacity is required, we provide multiple systems in parallel.
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Greenlane Renewables
110 - 3605 Gilmore Way
Burnaby BC
V5G 4X5, Canada.
IR@greenlanerenewables.com
