A fixed bed containing a particulate catalyst or sorbent material (10) subject to operation at high temperature having a shaped boundary member (16) inclined to the direction of fluid flow through the bed that maintains the depth of said catalyst or sorbent at the boundary of the bed through a series of thermal expansion-thermal contraction cycles is described. By maintaining bed depth, the shaped boundary member (16) can prevent bypass of, e.g. ammonia through a bed of particulate ammonia oxidation catalyst.
申请公布号
WO03011448(A1)
申请公布日期
2003.02.13
申请号
WO2002GB03075
申请日期
2002.07.03
申请人
JOHNSON MATTHEY PLC;AXON, SEAN, ALEXANDER;BRISTON, ALAN, BRUCE;WARD, ANDREW, MARK
发明人
AXON, SEAN, ALEXANDER;BRISTON, ALAN, BRUCE;WARD, ANDREW, MARK