April 2022, Vol. 249, No. 4
Features
Engineering Renewable Natural Gas Solutions
By Isaac Droessler and Arrchana Lakshmanan, Emerson Environmental regulations across the globe are mandating the reduction of greenhouse gas emissions, and methane is a particularly high-profile target due to its high global-warming potential (GWP). An increasingly attractive solution captures methane generated from landfills and anaerobic digestion of various waste streams, upgrades it to pipeline-quality biomethane and injects it into natural gas pipelines to be used as a low-carbon fuel. This can be a profitable enterprise, but only if the process is designed properly, the equipment is installed correctly, and the system operates reliably. Governments around the world have passed a
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