Technology Catalog - Vendor Detail

DVO, Inc. - Nitrification Denitrification
Renewables at Work

Company Description:

Largely due to unparalleled performance: DVO's anaerobic digester (AD) systems greatly reduce odors, are cost-effective, scalable, operate automatically and require low maintenance. DVO is the U.S. market leader for AD and environmental engineering, providing reliable, proven solutions and services to industry and agriculture for over 22 years.

DVO Logo

DVO, Inc.

820 W. Main Street

Chilton, WI 53014

USA

920-849-9797

 

Technology Type

  • Nitrification Denitrification

Vendor

  • Equipment Vendor

Problem

  • Phosphorous
  • Odor
  • Pathogens
  • GHG

 

To view additional information about this vendor, click below.


Technology Strengths,Weaknesses and Critical Indicators

Nitrification/Denitrification Technologies:

  • No saleable product produced in most systems
  • Vermiculture and some other technologies do produce salable by-products (i.e. worms and worm castings)
  • Traditional and modified forms exist with years of experience treating municipal wastewater
  • Uses large, multiple reaction chambers seeded with both anaerobic and aerobic bacteria
  • Traditional concerns are capital cost, requiring large dedicated tanks and large power consumption for aeration.
  • Proven technology for phosphorous recovery, storage reduction, GHG reduction, odor control and pathogen reduction
  • This technology loses nitrogen as non-reactive nitrogen gas

Newtrient Comments/Opinions:

Nitrification/Denitrification Technologies: 

  • No saleable product produced, nitrogen lost to the atmosphere 
  • Nitrogen removed from manure and released to environment as non-reactive nitrogen gas 
  • Traditional and modified forms exist with years of experience treating municipal wastewater 
  • Uses large, multiple reaction chambers seeded with both anaerobic and aerobic bacteria 
  • Traditional concerns are capital cost, requiring large dedicated tanks and large power consumption for aeration.

 

DVO has devoted considerable R&D investment into their unique nitrification/denitrification system which aims to reduce capital and aeration costs through use of existing dairy lagoon structures and modifications to the aeration process. DVO has installed one full-scale system on a dairy farm and is using this as a test site for process enhancement and verification.

 

At this time, DVO still considers the technology a work in progress and as such is not actively marketing or promoting sales. DVO's P Recovery system has not been evaluated using Newtrient's 9-point scoring process because this technology is not yet commercially available. 

Comments added 02/03/2017

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