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Anaerobic Digestion Field Day set: Mobile unit digests food and animal waste

Apr 3rd, 2015 | Category: News

MONROE – A free Anaerobic Digestion Bioenergy Field Day will be held April 14 from 10 a.m. to 1 p.m. at Willie Green’s Organic Farm, 19501 Tualco Road in Monroe. A small-scale, portable anaerobic digestion (AD) unit will be on display.

The unit’s features include: gross energy output of up to 360,000 BTU per day; electrical output up to 2.5 kW; gas storage (expandable) for up to 175 cubic feet; capacity to consume up to 135 pounds of organic waste per day; safety system 12-volt surplus gas burner; and only 130 square feet.

Andrew Corbin of WSU Snohomish County Extension and Jan Allen of Impact Bioenergy ( will explain the technology and discuss this ready-to-use anaerobic digestion system. Allen specializes in anaerobic digestion, composting, wood fuel processing, bulk material handling, and odor control facilities. He has been involved in the design and operation of composting and soil production facilities since the late 1980s. He has also been involved in the design and operation of anaerobic digestion facilities and is the registered inventor on six U.S. patents for composting, anaerobic digestion, and biofiltration.

This is a free event, but space is limited. RSVP is required at, or contact Andrew Corbin at (425) 357-6012, Information is also available online at


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