C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
182/13
C02F 1/00 (2006.01)
Patent
CA 1050899
ABSTRACT OF THE DISCLOSURE A method and apparatus for producing potable water from sea water which is particularly suitable for use in survival craft at sea. A reverse osmosis module is lowered from the survival craft to a depth of about 130 fathoms at which depth the external pressure on the module is sufficient to cause substantially pure or at least potable water to permeate through the semi-permeable membrane of the reverse osmosis module into a collecting vessel. A pressure relief valve is provided on the water collecting vessel to prevent excess pressure build-up during recovery and an outlet means is also provided to remove the potable water when the apparatus is received in the survival craft.
233376
Barr Matthew R.
Chappell Eric R.
Izard John A.
Mcintosh William G.
As Represented By The Ministe R. Of National Defence Her Majesty The Queen In Right Of Canada
Na
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