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Impact Bioenergy expands product offering

Anaerobic digestion, Supplier news

Portable anaerobic digestion system has five times the capacity of the first model.

REW Staff June 24, 2014

Seattle-based Impact Bioenergy has expanded its model 185 digester design for facility operators interested in generating  energy from their own food scraps and paper products. The company has taken the model AD185 and expanded it to include the AD185-2.

This larger unit has five times the daily capacity (5,000 pounds per day versus 1,000 pounds per day) in comparison to the AD185, according to the company. The technology uses anaerobic digestion (AD) to generate biogas. Nutrient-rich organic matter is the end product after the biogas has been extracted, Impact Bioenergy says.

The AD185 has an 111,000-British-thermal-unit- (Btu) per-hour output and requires 450 square feet of ground space. The new AD185-2 has a 555,000-Btu-per-hour output and requires 900 square feet, according to the company. Energy storage systems of 320 square feet for AD185 and 1,200 square feet for the AD185-2 can be added for peak demand cycling, the company adds.

The equipment can be used in an urban setting with features like gas lighting to visually engage passers-by with an illustration of the energy value of food scraps. The system is prefabricated and can be installed in a single day with simple connections to building wiring, water and sewage systems. Aspects of the design include a skid-mounted food waste recycling and preparation system, digester and power production unit. It is a completely portable bioenergy plant that can be configured for electrical output or biogas supply to an existing furnace or boiler.

Electrical output on a baseload 24-7 basis starts at 11.7 kilowatts (kW), with peak output at 35.1 kW. Odor is captured and treated with odor control technology including biofiltration, carbon filtration, and atomizing in a fully enclosed system.

Impact Bioenergy has offices in British Columbia, Washington and Oregon. More information on Impact Bioenergy’s products and services is available at www.impactbioenergy.com.
 

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