Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-01-27
1976-06-01
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 40, 210502, 260 25HA, 252428, 210DIG26, C02B 902
Patent
active
039607224
ABSTRACT:
An oil adsorbent comprising a plastic material for eliminating oils present in or on the surface of water through adsorption. Said adsorbent is produced by foaming by a physical means polyethylene containing 30-80% by weight of at least one inorganic calcium compound selected from the group consisting of calcium sulfite and calcium carbonate, to prepare a foamy substance having a density of 0.06-0.10 g/cc and then shaping the substance to have a network structure.
REFERENCES:
patent: 3681237 (1972-08-01), Orban et al.
patent: 3764527 (1973-10-01), Sohl
patent: 3856614 (1974-12-01), Susuki et al.
patent: 3862963 (1975-01-01), Hoshi et al.
Kaneda Kazuhisa
Mugino Yutaka
Ohkawa Hideo
Tomikawa Masami
Tsunoda Akiji
Cintins Ivars
Daniel William J.
Hart Charles N.
Idemitsu, Kosan Kabushiki Kaisha (Idemitsu Kosan Co., Ltd.)
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