Waste360 is part of the Informa Markets Division of Informa PLC

This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC's registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726.

Veolia Develops Anaerboic Digestion System for California’s Napa Valley Wine Waste

Veolia Water Technologies in North America has developed a $15 million anaerobic digestion (AD) system for winery and vineyard waste in American Canyon, Calif.

The high-rate AD system can recycle 100 million gallons of wine-related waste for Napa Valley wineries and vineyards locally and daily if needed, according to a news release from the Napa Environmental Group. The AD system allows wineries and vineyards to avoid the effort and expense of onsite treatment, odors, septic tanks, leach fields or wastewater ponds.

An environmental investment group focusing on Napa Valley and its entrepreneurs is backing the project.

The biodigester uses anaerobic bacteria to break down grape skins and other matter within the wastewater, eliminating much of its waste in 24 hours. The treated water may be used in vineyard irrigation.

Items in the waste stream include wine and juice, barrel wash, wine lees, wastewater screenings, pond sludge, cooling tower blowdown, water softener concentrate, ion exchange rejects, boiler blowdown, acid caustic rise water and high salinity waste.

TAGS: Archive
Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.