Method of regulating the specific dispersion work for waste pape

Details Method of regulating the specific dispersion work for waste pape Method of regulating the specific dispersion work for waste pape

1988-08-22

1990-05-01

Hastings, Karen M.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162198, 162254, D21C 502

Patent

active

049215736

ABSTRACT:
The method of dispersing a material containing waste paper by means of a dispersion apparatus and a dewatering machine, renders possible performing the material dispersion operation at essentially constant specific dispersion work even when encountering fluctuations of the raw material to be dispersed and of the dispersing process itself. For this purpose there is provided a regulating system which, with the aid of measured values or magnitudes derived from the dispersing process and predeterminate processing relationships, controls the addition of diluting water to the material to be dispersed at a location upstream of the dispersion apparatus.

REFERENCES:
patent: 3057769 (1962-10-01), Sandberg
patent: 3957572 (1976-05-01), Eriksson
patent: 4184204 (1980-01-01), Flohr
patent: 4312701 (1982-01-01), Campbell
patent: 4360402 (1982-11-01), Ortner

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