Green Mountain DairyGreen Mountain Dairy

Green Mountain BiogasGreen Mountain BiogasProjectProject

2005 -20072005 -2007

L&ISCI 430 – N J Rowell pptL&ISCI 430 – N J Rowell ppt

Location of BiodigesterLocation of BiodigesterGreen Mountain DairyGreen Mountain Dairy

Sheldon, VermontSheldon, Vermont

CROP APPLICATION

BASIC ANAEROBIC SYSTEM FLOW DIAGRAM

WASTE STREAM

ANAEROBIC DIGESTER

SOLIDS PRESS

ENGINE/

GENERATOR

LAGOON/

LIQUID STORAGE

ELECTRICITY

RECAPTURED

HEATPOTENTIAL SECONDARY TREATMENT

5% SOLIDS

LAND DISCHARGE OF LIQUID

SOLIDS BACK TO AD

FERTILIZER MIXTURES

BEDDING

DIRECT FERTILIZER(NPK)

UTILITY

LIQUIDS

30% SOLIDS

BIOGAS

FARM

Green Mountain Dairy’s GHD Anaerobic Digester

10% SOLIDS

March 20, 2007March 20, 2007 Power production Power production

beginsbegins Click to view Video Click to view Video

Press coveragePress coverage

Project BenefitsProject Benefits Eliminates manure odorEliminates manure odor Reduces Greenhouse gasesReduces Greenhouse gases Reduces RunoffReduces Runoff Produces PowerProduces Power Produces Solid by-product for beddingProduces Solid by-product for bedding Solids can be used for gardeningSolids can be used for gardening