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Cornerstone Environmental for BioCNG

April 22, 2012 in CNG, NGVs by Rich Piellisch  |  No Comments

Cornerstone Environmental and its BioCNG, LLC unit are opening natural gas vehicle fueling stations based on waste methane – and delivering the fuel at bargain prices.

A landfill gas-based facility in St Landry Parish, La. opened on March 26 and another, using methane from a local wastewater treatment plant, opened in Janesville, Wisc. mid-February.

Cornerstone Environmental is using methane from a wastewater treatment plant to make up to 250 gasoline gallon equivalents of 'BioCNG'€™ in Janesville, Wisc. --€“ which happens to be the hometown of facility fueling equipment supplier ANGI. The facility opened February 15.

Each has a BioCNG 50 purification unit and can produce 250 gasoline gallon equivalents of CNG per day. Cornerstone’s first installation, at the Rodefeld Landfill, in Dane County outside Madison, Wisc. (F&F, Sept. 20, 2010) opened at 100 GGE per day in late 2010 and is being expanded to 250, says VP Mike Michels.

“We’re making biofuel at all three of these projects at under $1 a gallon,” he told F&F – with the cost of compression included.

Cornerstone Environmental is tapping landfill gas to make up to 250 gasoline gallon equivalents of '€˜BioCNG'€™ in St Landry Parish, La. The facility opened March 26.

BioCNG units employ Air Liquide membrane technology for carbon dioxide removal and a scavenger system dubbed SulfaTreat to remove hydrogen sulfide, Michels says. The Janesville facility has compression and dispensing equipment from ANGI Energy Systems – which happens to have recently relocated there.

In Louisiana, Cornerstone installed equipment from New Jersey’s Air & Gas Technologies.

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