METHOD OF REMOVAL OF HYDROCARBONS FROM SOILS USING SOLIDS LOADED POLYMER FOAM

WIPO Patent Application WO2003039704

A3

A method of removal of hydrocarbons from soils using solids-loaded polymer foam. A first step involves providing a solids-loaded polymer foam consisting of an open-celled polymer foam matrix with zeolite dispersed and bound throughout the foam matrix. A seco nd step involves mixing soils containing hydrocarbons, solids-loaded polymer and water. It has been found that hydrocarbons are a dsorbed by the solids-loaded polymer foam. The order of mixing can be altered to suit particular applications. A recovery step can be added to recover the hydrocarbons from the solids-loaded polymer foam.

WO/1995/007125	PROCESS FOR SEPARATING LIGHTWEIGHT MINERALS FROM WASTE WATER AND SEPARATOR THEREFOR
JPH1085563	SEPARATION OF OIL FROM WASTE WATER CONTAINING EMULSIFIED OIL AND DEVICE USING THIS OIL/WATER SEPARATION PROCESS
JPS587325	[Title of the Invention] Yusui Bunri Souchi

RYERSON JAMES GEORGE (CA)
CAMPBELL COLIN (CA)

PCT/CA2002/001679

February 05, 2004

November 05, 2002

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RECUPETRO RESOURCES LTD (CA)
RYERSON JAMES GEORGE (CA)
CAMPBELL COLIN (CA)

B01D17/00; B01D17/022; B01J20/16; B01J20/18; B01J20/28; B09C1/02; B09C1/08; C09K3/32; C10G1/04; (IPC1-7): B01D17/022; B01D15/00; B01D17/00; B01J20/16; B01J20/28; B01J20/34; B09C1/00; B09C1/02; C09K3/32; C10G1/00

WO1994021392A1

1994-09-29

US4563483A	1986-01-07
DE19707251A1	1998-08-27
DE3145667A1	1983-05-26
DE4429862A1	1996-02-29
US5628943A	1997-05-13

DATABASE WPI Section Ch Week 198105, Derwent World Patents Index; Class A97, AN 1981-06463D, XP002262605

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