期刊
REACTION KINETICS AND CATALYSIS LETTERS
卷 98, 期 2, 页码 205-213出版社
SPRINGER
DOI: 10.1007/s11144-009-0096-z
关键词
Hydrogen storage; Formic acid decomposition; Homogeneous catalysis; Catalyst immobilization; Ruthenium; TPPTS
资金
- Swiss National Science Foundation
- EPFL
The homogeneous catalytic system, based on water-soluble ruthenium(II)-TPPTS catalyst (TPPTS = meta-trisulfonated triphenylphosphine), selectively decomposes HCOOH into H-2 and CO2 in aqueous solution. Although this reaction results in only two gas products, heterogeneous catalysts could be advantageous for recycling, especially for dilute formic acid solutions, or for mobile, portable applications. Several approaches have been used to immobilize/solidify the homogeneous ruthenium-TPPTS catalyst based on ion exchange, coordination and physical absorption. The activity of the various heterogeneous catalysts for the decomposition of formic acid has been determined. These heterogenized catalysts offer the advantage of easy catalyst separation/recycling in dilute formic acid, or for mobile, portable applications.
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