New Hope View Farm

Description:

New Hope View Farm

New Hope View Farm (credit: Cornell Case Study)

New Hope View Farm is a family farm that was founded in 1972 in Cayuga County, NY. Prior to 2001, the farm began looking into the installation of a horizontal plug flow digester.

A main reason for the digester construction was odor reduction. Due to local opposition, the town of Homer required the farm to implement a proven technology already in use at a similar dairy, and thus it was to be a plug- flow digester equipped with a gas-tight flexible membrane cover to collect biogas.

The digester works by transferring barn effluent and milking center wastewater from an influent pump to the digester, where the mixture generates biogas. Digester effluent is pumped directly to a storage tank, which is located above-ground to prevent groundwater contamination. The slurry is then hauled offsite for land application.

 

Biogas is transported in an underground pipe and combusted in three different ways: a microturbine, a boiler, or a flare (for excess gas). In 2006, a 70 kW Ingersoll-Rand (IR) microturbine, designed for low energy fuels, was installed. The farm sells conditioned biogas to IR, who in turn owns and operates the microturbine and sells electricity to the farm and New York State Electric and Gas (NYSEG).

A screw-press separator and housing are located next to the digester in the case that the farm decides to separate effluent solids and liquids, since separated solids can be collected and sold.

IFES Number: 155

City: Homer

State: NY

Country: USA

Type of Firm: Farm

Main Products: Dairy; Bedding

Size of Firm: 865 milking cows; 2000 owned acres

Ownership Type: Private

Technology: Biogas

Energy System Components: Anaerobic digester

Operational Status: Construction

Year Installed: 2001

Year Closed: 2009

Energy Feedstock: Manure from 850 cows; Wastewater; Food Waste; Bunker silo spoilage if needed

Energy Produced: Biogas production: 673,419 cu_ft/month

Energy Uses: Cogeneration, Boiler or furnace fuel

New co-products: Bedding

Website: http://www.manuremanagement.cornell.edu/Pages/General_Docs/Case_Studies/NHV_case_study.pdf

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