Patent ID: 6129839
Filing Date: 2000-10-10
Classification: B01D,Y10S

Abstract:
An oil/water separation system for treating contaminated water, comprising:a separator having a housing that includes an inlet, a water outlet, and an oil outlet, said separator having a plurality of flow restrictors spaced within said housing between said inlet and said outlets, said flow restrictors and said housing together defining a plurality of sequential chambers located between said inlet and said outlets, said separator being disposed at an inclined angle with said inlet being located at a lower end of said housing and said outlets being located at an upper end of said housing such that said inlet opens into a first chamber within said housing and said outlets open into a last chamber within said housing, said oil outlet being located above said water outlet at said upper end of said housing;an oil accumulator having an oil inlet and an oil outlet with said oil inlet being coupled to said oil outlet of said separator;a coalescer having a housing that includes an inlet, a water outlet, and an oil/air outlet, said coalescer being disposed at an inclined angle with said inlet and said oil/air outlet being located at an upper end of said coalescer housing and said water outlet being located at a lower end of said coalescer housing, said inlet of said coalescer being coupled to said water outlet of said separator and being located below said oil/air outlet at said upper end of said coalescer housing, said coalescer including an air scrubber and coalescing element located in said coalescer housing between said upper and lower ends of said coalescer housing; anda pump for circulating the contaminated water through said separator and said coalescer.