Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – With washing
Patent
1984-10-19
1986-08-26
Alvo, Steve
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
With washing
68355, 68205R, 162209, 210772, 210783, B01D 3520, D21C 902, D21F 120
Patent
active
046081224
ABSTRACT:
The washing efficiency of removal of cooking and bleaching chemicals from cellulose paper pulp on horizontal belt washing filters is improved by disrupting the filter mat adjacent the belt intermediately of soft, displacement wash liquor applications to the filter mat topside. The objective may be achieved by directing a line of low volume, high pressure jets of filtrate or wash liquor against the belt underside. Alternatively, sonicly vibrated foils extended transversely of and adjacent to the belt are effective to disrupt the filler mat pursuant to the invention objective.
REFERENCES:
patent: 2360779 (1944-10-01), Lang et al.
patent: 3025213 (1962-03-01), Copeland
patent: 3258391 (1966-06-01), Cornell et al.
patent: 3426908 (1969-02-01), Davis et al.
patent: 3454970 (1969-07-01), Sutherland
patent: 3750428 (1973-08-01), Bruckner
patent: 3910815 (1975-10-01), Shelor
patent: 3939077 (1976-02-01), Seibert
patent: 4046621 (1977-09-01), Sexton
patent: 4154644 (1979-05-01), Ericsson
patent: 4176531 (1979-12-01), Fleissner
patent: 4270978 (1981-06-01), Fiorvanti
patent: 4297164 (1981-10-01), Lee
Lee, P. F., "Optimizing the Displacement Washing of Pads of Wood Pulp Fibers," Sep. 1979, Tappi, vol. 62, No. 9, p. 75.
Grahs, L. E., "Displacement Washing of Packed Beds of Cellulose Fibres," 1976, Svensk Papperstidn, No. 4, p. 123.
Gullichsen, J. and Ostman, H., "Sorption and Diffusion Phenomena in Pulp Washing," Jun. 1976, Tappi, vol. 59, No. 7, p. 140.
Rosen, A., "Adsorption of Sodium Ions on Kraft Pulp Fibers During Washing," Sep. 1975, Tappi, vol. 58, No. 9, p. 156.
Norden, H. V. et al, "Statistical Analysis of Pulp Washing on an Industrial Rotary Drum," Pulp and Paper Magazine of Canada, Oct. 1973, 74(10): T329.
Perkins, J. K., "How to Improve Kraft Brown Stock Washing Efficiency," Feb. 24, 1969, Paper Trade Journal, p. 30.
Kommonen, F., "Pulp Washing Evaluation for Design and Operation," 1968, Papper och Tra, No. 6, p. 347.
Pellett, G. L., "Longitudinal Dispersion, Intraparticle Diffusion, . . . Systems," Feb. 1966, Tappi, vol. 49, No. 2, p. 75.
Meyer, H., "A Filtration Theory for Compressible Fibrous Beds Formed from Dilute Suspensions," Apr. 1962, Tappi, vol. 45, No. 4, p. 296.
Perkins, J. K. et al, "Brown Stock Washing Efficiency . . . Determination," Mar. 1954, Tappi, vol. 37, No. 3, p. 83.
Klein Edward P.
Nissan Alfred H.
Alvo Steve
Marcontell W. A.
Schmalz R. L.
Westvaco Corporation
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