Liquid purification or separation – Processes – Ion exchange or selective sorption
Patent
1990-10-31
1992-09-29
Dawson, Robert A.
Liquid purification or separation
Processes
Ion exchange or selective sorption
210799, 210287, 2105021, 210908, 210924, B01D 1504, B01D 3904
Patent
active
051511940
ABSTRACT:
A filter for removing at least one hydrocarbon from water is disclosed where the active filter medium is fibrous peat which has been dried to a water content of 5 wt.% or less. A process for removing at least one hydrocarbon from contaminated water involves contacting the contaminated water with peat as described above. A filter assembly is also disclosed where at least two of the filters as described above are connected in series.
REFERENCES:
patent: 3791990 (1974-02-01), Fischer
patent: 4696742 (1987-09-01), Shimazaki
patent: 4829045 (1989-05-01), Fransham
Dicke Rock D.
Simpson Stewart A.
Dawson Robert A.
Hydrocarbon Filtration Systems Inc.
Millard W. L.
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