科研之友
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摘要
Deposition of small adhesive particles, called microstickies, onto pulp processing equipment and paper machines causes quality and operational problems for recycling mills. The factors that control deposition of microstickies onto surfaces of metal parts remain unclear. In this work, aluminum surfaces with a range of surface roughness were exposed to slurries containing micros-tickies. The deposition results showed that flat surfaces promote the aggregation and deposition of microstickies particles. Uneven surfaces tended to favor deposition of smaller microstickies, 0.2-1 & mu;m, which may be related to greater contact area presented by the rougher surface. This work provides insights into the deposition of microstickies. Application: The deposition behavior of microstickies on metal surfaces is related to their surface properties, and it is helpful for mills to understand this as a way to avoid sticky deposition on devices.
