Paper making and fiber liberation – Processes of chemical liberation – recovery or purification... – Waste paper or textile waste
Patent
1993-02-08
1994-05-03
Hastings, Karen M.
Paper making and fiber liberation
Processes of chemical liberation, recovery or purification...
Waste paper or textile waste
162 8, D21C 502
Patent
active
053084489
ABSTRACT:
The invention relates to a process for the flotation of fillers from deinked waste paper in the presence of surfactants containing sulfonate groups.
REFERENCES:
patent: 4360402 (1982-11-01), Ortner et al.
patent: 4368101 (1983-01-01), Bahr et al.
patent: 4376011 (1983-03-01), Menschhorn et al.
Quick et al "Xerography deinking-a fundamental approach" Tappi Journal, Mar. 1986.
Behler Ansgar
Hoefer Rainer
Hornfeck Klaus
von Rybinski Wolfgang
Grandmaison Real J.
Hastings Karen M.
Henkel Kommanditgesellschaft auf Aktien
Jaeschke Wayne C.
Szoke Ernest G.
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