New efficient catalyst for ammonia synthesis:: barium-promoted cobalt on carbon

被引:75
作者
Hagen, S
Barfod, R
Fehrmann, R
Jacobsen, CJH
Teunissen, HT
Ståhl, K
Chorkendorff, I
机构
[1] Tech Univ Denmark, Interdisciplinary Res Ctr Catalysis, DK-2800 Lyngby, Denmark
[2] Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark
[3] Haldor Topsoe Res Labs, DK-2800 Lyngby, Denmark
关键词
D O I
10.1039/b202781j
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Barium-promoted cobalt catalysts supported on carbon exhibit higher ammonia activities at synthesis temperatures than the commercial, multipromoted iron catalyst and also a lower ammonia inhibition.
引用
收藏
页码:1206 / 1207
页数:2
相关论文
共 19 条
[1]  
Bielawa H, 2001, ANGEW CHEM INT EDIT, V40, P1061, DOI 10.1002/1521-3773(20010316)40:6<1061::AID-ANIE10610>3.0.CO
[2]  
2-B
[3]  
BIELAWA H, 2001, ANGEW CHEM, V113, P1096
[4]   The crystallography beamline I711 at MAX II [J].
Cerenius, Y ;
Ståhl, K ;
Svensson, LA ;
Ursby, T ;
Oskarsson, Å ;
Albertsson, J ;
Liljas, A .
JOURNAL OF SYNCHROTRON RADIATION, 2000, 7 (07) :203-208
[5]   INSITU CELL FOR COMBINED XRD AND ONLINE CATALYSIS TESTS - STUDIES OF CU-BASED WATER GAS SHIFT AND METHANOL CATALYSTS [J].
CLAUSEN, BS ;
STEFFENSEN, G ;
FABIUS, B ;
VILLADSEN, J ;
FEIDENHANSL, R ;
TOPSOE, H .
JOURNAL OF CATALYSIS, 1991, 132 (02) :524-535
[6]   Surface science based microkinetic analysis of ammonia synthesis over ruthenium catalysts [J].
Dahl, S ;
Sehested, J ;
Jacobsen, CJH ;
Törnqvist, E ;
Chorkendorff, I .
JOURNAL OF CATALYSIS, 2000, 192 (02) :391-399
[7]  
Foster A. I., 1979, US Patent, Patent No. 4163775
[8]   Atomic-resolution in situ transmission electron microscopy of a promoter of a heterogeneous catalyst [J].
Hansen, TW ;
Wagner, JB ;
Hansen, PL ;
Dahl, S ;
Topsoe, H ;
Jacobsen, CJH .
SCIENCE, 2001, 294 (5546) :1508-1510
[9]   Optimal catalyst curves: Connecting density functional theory calculations with industrial reactor design and catalyst selection [J].
Jacobsen, CJH ;
Dahl, S ;
Boisen, A ;
Clausen, BS ;
Topsoe, H ;
Logadottir, A ;
Norskov, JK .
JOURNAL OF CATALYSIS, 2002, 205 (02) :382-387
[10]   Effect of potassium and barium on the stability of a carbon-supported ruthenium catalyst for the synthesis of ammonia [J].
Kowalczyk, Z ;
Jodzis, S ;
Rarog, W ;
Zielinski, J ;
Pielaszek, J .
APPLIED CATALYSIS A-GENERAL, 1998, 173 (02) :153-160