Nitrogen and Oxygen Removal System
ARI’s AdvanSorb®-RNG NRU+ Process
ARI’s AdvanSorb®-RNG NRU removes nitrogen and oxygen (air) from partially upgraded bio-methane. Vacuum pressure swing adsorption (VPSA) is used to complete the upgrading of biomethane to saleable RNG.
AdvanSorb®-RNG NRU+ Process Features, Benefits, & Capabilities
At the Landfill:
Removes nitrogen, and oxygen. Allows for greater suction on the landfill, which means more methane, lower fugitive emissions and reduced odors, and vastly reduced well-tuning
Process:
Patented, reliable, and highly efficient Vacuum Pressure Swing Adsorption (VPSA) process. Upgrades partially upgraded biomethane to RNG.
- Removes nitrogen and oxygen (no technical minimum or maximum) to produce high-yield, high-purity, RNG
- Moderate operating pressure means significant savings in CAPEX & OPEX compared to other technologies
- Long-lived, regenerable, media means fewer changeouts and reduced OPEX.
Control system utilizes ARI’s proprietary adaptive control logic.
- Compensates for fluctuations in feed flow and composition and ambient conditions, keeping product on-spec
- Allows for data-logging, trend analysis, and remote access to maintain peak performance
- User-friendly training provided for operators & engineers
Economics:
- Able to meet pipeline-grade natural gas, compressed natural gas (CNG), or liquid natural gas (LNG) specifications.
- Flexible technology can be designed to best suit site infrastructure
- AdvanSorb®-RNG NRU+ allows for up to 98.5%+ methane recovery and purity
- ARI’s AdvanSorb®-RNG NRU+ allows you to maximize system revenue and profit, by optimizing product recovery and purity, while also keeping a low total cost of ownership.
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