Premium
Synthesis and Characterization of Catalysts in the System A1 2 O 3 ‐MgO‐NiO‐Ni for Methane Reforming with CO 2
Author(s) -
Gadalla Ahmed M.,
Sommer Michael E.
Publication year - 1989
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/j.1151-2916.1989.tb06197.x
Subject(s) - catalysis , coprecipitation , nickel , nial , non blocking i/o , spinel , methane , periclase , materials science , methane reformer , inorganic chemistry , cobalt , chemical engineering , steam reforming , metallurgy , chemistry , hydrogen production , intermetallic , organic chemistry , alloy , engineering , biochemistry
Compositions to yield solid solutions were prepared by coprecipitation and firing. Fine active clusters of nickel were obtained by reduction. Phase changes were followed by thermal analysis, X‐rays, electron microscopy, surface area measurements, and reforming methane with CO 2 . Nickel on periclase remained active over 125 h with nearly 100% conversion. The catalysts suppressed carbon deposition which occurred only immediately upstream and downstream of the catalyst. Nickel on spinel solid solution caused the catalyst to shatter with a drastic increase in surface area due to formation of NiAl 2 O 4 . The pressure drop decreased the flow rate, making this catalyst infeasible.