Improving Refining Efficiency With Multi-Fiber Morphology Modification, TAPPICon22

The ability to load a refiner requires the formation of a fiber mat between opposing refiner bars. One of the consequences of this is the formation of fiber bundles that persist through the refiner grooves and exit the refiner. These fiber bundles interfere with sheet strength, requiring additional energy to make up the strength deficit. In addition, fiber bundles can initiate string formation, resulting in machine efficiency issues.  
Novel refiner plate modifications have been shown to improve refining efficiency in otherwise identical refiner plates. Energy savings are typically around 15% of gross refining energy on the basis of the treated stock, although much higher reductions have also been seen. Addressing this previously underappreciated flaw in conventional refining enables greenhouse gas reduction and other benefits related to sheet strength and machine efficiency.

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