Patent ID: 7597745
Filing Date: 2009-10-06
Classification: B01D,C08G,Y10S

Abstract:
1. A method for removing hydrocarbons from a gaseous stream emitted from a fuel tank during refueling of a motor vehicle, device or appliance with a hydrocarbon-based fuel consuming engine, comprising: installing a filter in a flow path established between the fuel tank and an exhaust from the fuel tank, wherein said filter comprises two or more foam blocks aligned in stacked relation within a canister, and wherein the foam forming said blocks has a pore count between about 45 and 300 pores per inch and has been coated with an adsorbent particle coating, and further wherein each foam block defines at least one channel having a channel axis extending in the direction of the flow path formed therein through which a gas may flow and said channels of adjacent foam blocks are substantially axially aligned.