发明名称 |
A METHOD OF OPERATING A PAPERMAKING PROCESS |
摘要 |
A method of operating a papermaking process containing a press section wi th at least one press nip is disclosed. The method comprises simultaneously performing the following steps: (a) providing a press media for said paperma king process that has a MFP size that is less than the MFP size of a press m edia that was originally supplied to said papermaking process; (b) adding an effective amount of one or more press sheet dewatering additives to said pa permaking process prior to the last press nip of said papermaking process; ( c) providing a sheet moisture ratio of a paper sheet entering a press nip of said press section to between about 2 to about 9; and (d) applying an optim um rate of pressure development at one or more press nips of said papermakin g process, wherein said steps a, b, c, and d either: result in the productio n of a more uniform paper sheet without the reduction in paper solids exitin g the press section that would be expected from performing a, c, and d, alon e or in combination with one another; or result in the production of a more uniform paper sheet with an increase in solids content of said paper sheet e xiting the press section
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申请公布号 |
CA2663790(A1) |
申请公布日期 |
2008.03.27 |
申请号 |
CA20072663790 |
申请日期 |
2007.08.30 |
申请人 |
NALCO COMPANY;ALBANY INTERNATIONAL CORPORATION |
发明人 |
HAWES, JOHN M.;THOMAS, JAMES L.;GRAY, ROSS T.;WEINSTEIN, DAVID I.;ST. JOHN, MICHAEL R.;TONEY, MARY M. |
分类号 |
D21F3/00;D21F5/00;D21H17/37;F26B13/10 |
主分类号 |
D21F3/00 |
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