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3-D-printable material purifies biogas at low cost

from Chemical & Engineering News

3-D-printable material purifies biogas at low cost Chemical & Engineering News Biogas released from decomposing organic matter is about 60% methane, making it a valuable renewable source of natural gas. But carbon dioxide, which makes up the other 40%, must be removed before the biogas can be turned into fuel. Many of the existing methods for removing the CO2 and other impurities are too expensive or impractical for small-scale biogas sources, like manure digesters on dairy farms. Now, researchers have addressed this need by developing a new low-cost sorbent made from two familiar compounds: sodium carbonate (also known as washing soda) and silicone. READ MORE

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