Paper making and fiber liberation – Processes and products – Reclamation – salvage or reuse of materials
Patent
1996-11-18
1998-03-17
Lamb, Brenda A.
Paper making and fiber liberation
Processes and products
Reclamation, salvage or reuse of materials
162 4, D21F 166
Patent
active
057282706
ABSTRACT:
In a process for making a granular material from a reject stream from a coated grade waste paper pulp stock recycling process, the pulp stock is screened so that the reject stream passes through a screen and long fibers are retained for use in making paper. Solid material in the reject stream is separated by flotation. Water is removed from the reject stream to increase its consistency to that of modelling clay. The reject stream is supplied to an agglomerator which forms uniform granules of irregular but approximately spherical shape. The granules are then dried so that the granules have a solids content greater than 95%. Apparatus for performing the process and characteristics of granular material formed by the process and apparatus are also described.
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Knapick Edward G.
Willemsen Brent
Wolfer Ernest P.
Lamb Brenda A.
Marcal Paper Mills, Inc.
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