Method for modifying papermaking sludge and products made from m

Details Method for modifying papermaking sludge and products made from m Method for modifying papermaking sludge and products made from m

1997-08-05

1998-08-18

Brunsman, David

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

1061645, 524 13, 524 14, 162103, 162158, 1621645, 1621646, 1621647, 1621814, 2642101, C08L 102, D21H 1114, D21H 2108

Patent

active

057953775

ABSTRACT:
Papermaking sludge can be modified to a modeling clay-like consistency by the addition of one or more dispersing agents, such as polyacrylamide. The modified papermaking sludge can be formed into a number of useful products, such as paper sheets or extruded products.

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Derwent World Patent Database abstract of DE 3842138: Description of P. Voelskow, "Simultaneous Processing of Dewatered Clarifier Sludge and Paper." (Jun. 1990).
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Derwent World Patent Database abstract of JP 60-171050: Description of Shine KK, "Utilisation of Sludge Formed In Paper Making." (Sep. 1985).
Klingenberg, Daniel J., Stefan Zauscher, and C. Tim Scott, "Pulp Extrusion at Ultra-High Consistencies: A New Processing Method for Recycling Wastepapers and Sludges," Final Report, (Feb. 3, 1997), pp. 1-40.

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