Method and device for quality improvement in multilayer and mult

Details Method and device for quality improvement in multilayer and mult Method and device for quality improvement in multilayer and mult

1995-01-20

1997-06-17

Lamb, Brenda A.

Paper making and fiber liberation

Processes and products

Reclamation, salvage or reuse of materials

162203, D21F 166

Patent

active

056393490

ABSTRACT:
A method for improving the quality of multilayer and multiply papers in the wet section of a paper machine, wherein at least two stock suspensions of different quality are used for producing a paper web. The wire water removed through the paper machine wire is collected in separate vessels and recycled. At least the major part of a first stock suspension is dewatered through a first wire, while at least the major part of a second stock suspension is dewatered through a second wire. The wire water removed through each of the wires is collected, separately from the other wire water, and recycled to the stock suspension of the same layer.

REFERENCES:
patent: 4477313 (1984-10-01), Andersson
patent: 4895623 (1990-01-01), Corbellini
patent: 5196090 (1993-03-01), Corbellini et al.

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