Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1975-02-18
1976-05-25
Wyse, Thomas G.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210DIG27, 252312, C02B 902
Patent
active
039591344
ABSTRACT:
Mixtures of C.sub.10 -C.sub.20 aliphatic carboxylic acids or the sorbitan monoesters thereof, sorbitan monoacrylates in combination with nonpolar solvent systems are effective oil collecting agents for containing oil slicks floating on a water surface. The invention, therefore, describes a method whereby oil slicks floating on a water surface may be contracted by applying to the perimeter of the oil slick an effective amount of an oil collection agent as described above, whereby the surface area of said oil slick is reduced. After the size of the oil slick is reduced by means of the oil collection agent, the oil may then be physically removed from the water. An advantage of treating oil slicks in this manner is that the method aids in the removal of the oil completely from the water. The oil collection agents encompassed by the present invention have the additional advantages of having low toxicities as well as pour points low enough to enable their use during operations where water and/or air temperatures are less than 45.degree.F.
REFERENCES:
patent: 2447551 (1943-08-01), Zisman et al.
patent: 3810835 (1974-05-01), Ferm
Naval Research Laboratory Report No. P-1930, W. A. Zisman, Sept., 1942.
Naval Research Laboratory Report No. P-1984, W. A. Zisman, Jan., 1943.
Exxon Research and Engineering Company
Santoro Frank A.
Wyse Thomas G.
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