TAPPI TIP 0404-59 2012, Methods to Minimize Sheet Rewet in the Press Section, is a concise technical reference for understanding and controlling moisture regain during paper-machine pressing. The document covers internal, external, and separation rewet; safety considerations for press-section work; and the effects of sheet and fabric characteristics, machine speed, press geometry, fabric moisture, press impulse, temperature, and sheet properties.
It also reviews practical approaches such as minimizing sheet-to-fabric contact after the nip, separating the fabric from the sheet at nip exit, using transfer belts, optimizing press-fabric construction and drainage, applying suitable pressure profiles, and increasing sheet temperature. Figures illustrate rewetting in the expanding press nip, post-nip contact, and felt construction. Literature citations provide additional technical context for papermaking and press-section optimization.
Application Scope: Suitable for paper mills, papermaking engineers, press-section operators, process improvement teams, press-fabric manufacturers, and technical professionals analyzing water removal and sheet dryness.
