Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1978-02-22
1979-05-29
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 54, 210 70, 75 2, 252 60, 252194, C02B 120
Patent
active
041566491
ABSTRACT:
The present invention relates to the drainage or dewatering of ore concentrates and more particularly to an improved method for dewatering as by filtration, to produce solids which have a desirably low moisture content and which are readily and easily handled by conventional methods of materials handling. The method employs the use of linear or branched alkyl ethoxylated alcohols as dewatering aids.
REFERENCES:
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patent: 2719118 (1955-09-01), Bernard
patent: 2864765 (1958-12-01), Stoneman
patent: 2975123 (1961-05-01), Head
patent: 3359330 (1967-12-01), Glickman
patent: 3865718 (1975-02-01), Tveter
patent: 4097390 (1978-06-01), Wang
Surface Active Agents, Schwartz-Perry 1949, Interscience Publishers, N.Y., 489-494.
Hackh's Chemical Dictionary, Fourth Edition, McGraw-Hill, Inc., New York, 1972, p. 697.
Donegan Charles E.
Quinn John E.
Wittenbrook Lawrence S.
Betz Laboratories Inc.
Hart Charles N.
Markowitz Steven H.
Ricci Alexander D.
Therkorn Ernest G.
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