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Landfill space limitations and rising disposal fees are creating opportunities for papermakers to increase recycled fiber usage. However, the recycled fibers rich with contaminants cause manufacturing difficulties when stickies cause deposits on papermaking equipment, thus necessitating paper machine shutdowns for cleaning. Paperboard manufacturers that use OCC fibers spend a considerable amount of money on cleaning chemicals to control contaminants.
This paper presents multiple case studies showing the effectiveness of a newly developed talc product for stickies control involving paperboard furnishes. A comparison with a chemical treatment is also included. The results demonstrate that the newly developed talc product provided the most cost-effective solution to the depositable stickies from recycled OCC pulps.
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A Cost-Effective Talc Solution to Stickies Control in OCC Pulps, 2002 Fall Technical Conference