FUEL VAPOR ADSORBENT

摘要

PROBLEM TO BE SOLVED: To provide fuel vapor adsorbent hardly deteriorated by the long period of use and favorably used even when it is used by being immobilized to a filter, etc. SOLUTION: This fuel vapor adsorbent has a structure having pores of 50% or more in a range of a pore diameter of 1.4 nm-2.8 nm and a pore area of 0.3 ml or more per 1 ml of adsorbent and the adsorbent is set to granular materials. COPYRIGHT: (C)2004,JPO