The CBI Magnum Force Chipper (8400) is one of the largest and most productive drum chippers in the World.
The CBI Magnum Force Chipper (8400) is one of the largest and most productive drum chippers in the World.

CBI providing equipment for Rentech expansion, no hammermills before dryer needed
January 10, 2014, Newton, N.H.

Continental Biomass Industries is providing equipment for the two new pellet mills being constructed by Rentech in northern Ontario where Rentech is converting two decommissioned wood fibre board mills in Atikokan and Wawa for pellet production. As part of the conversion of these facilities, the CBI systems will deliver uniform 6mm – 8mm microchips in a single pass that can immediately be dried and milled into feedstock for pellet manufacturing.

“We went back and forth with numerous iterations, and came up with a debarking line consisting of a feed conveyer, 2-roll flail debarker, and a 1200 horsepower CBI Magnum Force 8400 Stationary Chipper with 5-pocket microchip rotor,” says Anders Ragnarsson, founder and president of CBI. “Each system will have production capabilities of up to 120 tons per hour.”

The final result will be two CBI flail/microchipping systems installed at Rentech’s Wawa, Canada facility, and a singular CBI flail/microchipping line installed in Rentech’s Atikokan, Canada facility.

At the Atikokan facility, CBI will also deliver a Grizzly Mill to grind the bark into the proper size for boiler fuel. These CBI systems will eliminate hammer milling of wet product prior to the dryer. The CBI systems produce a specific-sized chip that can be fed directly into the dryer. The resulting product is then hammer milled immediately after drying.

The systems are scheduled for installation in the spring of 2014. The customized systems are being designed specifically for the Rentech facilities.