Froling Energy’s Precision Dry Chips are Made in Peterborough

In the summer of 2014 Froling Energy moved its offices to a property on the northern edge of Peterborough where we were determined to produce a new kind of biomass fuel: the screened semi-dry wood chip. PDCs, as we call them, were finally being produced in quantity at our new facility using a 1.1 million BTU per hour Italian chip furnace in a “fluid bed” batch dryer. We would load the dryer 6 feed deep with screened green chips and wait 3 to 4 days for them to be dried down to 25% moisture content.

This method of drying chips limited our potential output so we were forced to install another better method. Our improved plan involved installing a large Viessmann biomass boiler that would feed heat into a continuous feed belt dryer. The system that we had envisioned was finally up and running in the summer and fall of 2016.  The Viessmann Vitoflex 300-UF Model KPT-950 has a maximum output of 3.2 million BTUs per hour—and we run it full tilt when the dryer is running.  Our new potential is to output as many as 10,000 tons of PDCs per year.

We expect this boiler system to generate 680 NH T-RECs per year.

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Froling Energy
590 Hancock Road
Peterborough NH 03458

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