Liquid purification or separation – Processes – Including controlling process in response to a sensed condition
Patent
1989-07-17
1991-09-10
Dawson, Robert A.
Liquid purification or separation
Processes
Including controlling process in response to a sensed condition
210 97, 2102423, 210248, 210776, 210923, E02B 1504
Patent
active
050471562
ABSTRACT:
A large-scale oil recovery vessel has a primary oil separation tank, secondary and tertiary separation tanks and plural oil storage tanks for receiving, separating and recovering oil from the sea. Oily water is admitted through bow openings in the vessel to a sluiceway and an adjustable height weir for skimming oil, debris and other pollutants from the seawater for discharge into the primary separation tank. Oily water is pumped from the primary separation tank to the secondary and tertiary separation tanks which are interconnected by a gravity flow conduit for gravity flow and separation of oil from water in each tank and gravity discharge of clean water overboard. The vessel may be constructed from a converted oil tanker and includes separate pumping systems for oil transfer and storage, water separated in the primary and secondary separation tanks and ballast water.
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Atlantic Richfield Company
Dawson Robert A.
Drodge Joseph
Martin Michael E.
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