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    • 3. 发明授权
    • Catalyst configuration for catalytic combustion systems
    • 用于催化燃烧系统的催化剂配置
    • US5474441A
    • 1995-12-12
    • US22248
    • 1993-02-25
    • Robert J. FarrautoJennifer S. FeeleyDianne O. SimoneYiu K. LuiTeresa Kennelly
    • Robert J. FarrautoJennifer S. FeeleyDianne O. SimoneYiu K. LuiTeresa Kennelly
    • B01J23/10F23C13/00F23R3/40F23D3/40
    • F23C13/00F23C13/08F23R3/40
    • A catalyst bed (30) for a combustor (18) for supporting the catalytic combustion of a gaseous air/fuel (e.g., methane or natural gas) combustion mixture contains an igniter catalyst member (1) upstream of a promoter catalyst member (2). The catalyst members each comprise carrier monoliths, the igniter catalyst member (1) having an igniter catalyst material deposited thereon and the promoter catalyst member (2) having a promoter catalyst material deposited thereon. The igniter catalyst material is distinguished from the promoter catalyst material in one or more of the following ways: the igniter catalyst material may have (a) a higher catalytic activity for combustion of the air/fuel mixture, (b) a lower catalyst deactivation temperature than the promoter catalyst material, and/or (c) the promoter catalyst regeneration temperature range brackets the upper limit of the regeneration temperature range of the igniter catalyst.
    • 用于支撑气态空气/燃料(例如,甲烷或天然气)燃烧混合物的催化燃烧的燃烧器(18)的催化剂床(30)在促进剂催化剂构件(2)的上游含有点火器催化剂构件(1) 。 催化剂构件各自包括载体整料,其上沉积有点火器催化剂材料的点火器催化剂构件(1)和其上沉积有助催化剂材料的助催化剂构件(2)。 点火器催化剂材料以一种或多种以下方式与助催化剂材料不同:点火器催化剂材料可具有(a)对于空气/燃料混合物燃烧的较高催化活性,(b)较低的催化剂失活温度 和/或(c)助催化剂催化剂再生温度范围包括点火器催化剂的再生温度范围的上限。