Avoiding Whales in Anaerobic Digesters

On by Geosynthetica
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By Ian D. Peggs, P.E. – In 2014, shortly after being placed in service, one of two geomembrane-lined and covered anaerobic digesters generated extensive whales—“bubbles” in the lining system. Attempts to remove the apparent gas from under the cover were made unsuccessfully until it was realized that the cover was being uplifted by gas under the liner. Within two or three days, there were whales se... »

Upgrading Wastewater Treatment at a Marlborough Winery

On by Geosynthetica
News and Articles

The upgrade of Delegat's Marlborough Winery wastewater treatment plant included a new 15 mega litre covered anaerobic lagoon for buffer storage of untreated winery wastewater, and a 15 mega litre uncovered storage lagoon for treated winery wastewater. Viking Containment performed the work. Read about it here. »