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Ethylene glycol oxidation

Kataoka M, Sasaki M, Hidalgo AR, Nakano M, Shimizu S (2001) Glycolic acid production using ethylene glycol-oxidizing microorganism. Biosci Bio-technol Biochem 65(10) 2265-2270... [Pg.21]

Table 14. Catalytic activity and selectivity of the 12g x 80g Au/ X40S preparations and 2g x 500g Au/XC72R (a) and 2g preparations (b) in the ethylene glycol oxidation. Table 14. Catalytic activity and selectivity of the 12g x 80g Au/ X40S preparations and 2g x 500g Au/XC72R (a) and 2g preparations (b) in the ethylene glycol oxidation.
See Organic solvents, below See other irradiation decomposition incidents Ethylene glycol See Ethylene glycol Oxidants... [Pg.1800]

In an acidic medium, a PEMFC fed with ethanol allows power densities up to 60 mW cm to be reached at high temperatures (80-120 °C), but this needs platinum-based catalysts, which may prevent wider applications for portable electronic devices. On the other hand, in an alkaline medium, the activity of non-noble catalysts for ethanol or ethylene glycol oxidation and oxygen reduction is sufficient to reach power densities of the order of 20 mW cm at room temperature. This opens up the hope of developing SAMFCs that are particularly efficient for large-scale portable applications. [Pg.43]

The Au-catalyzed glycerol oxidation was influenced by the kind of support, the size of Au particles and the reaction conditions such as concentration of glycerol, p02 and molar ratio of NaOH to glycerol. As metal oxide supports showed inferior selectivity to glyceric acid compared to carbons, due to successive oxidation and C—C bond cleavage to form di-adds such as tartronic acid and glycolic acid, research has focused on Au NPs supported on carbon, as in the case of ethylene glycol oxidation [182]. Indeed, the catalytic activity was influenced by the kind of carbon support in terms of porous texture [183]. [Pg.114]

V. Selvaraj and M. Alagar, Ethylene glycol oxidation on Pt and Pt-Ru nanoparticle decorated polythiophene/multiwaUed carbon nanotube composites for fuel cell applications. Nanotechnology, 19, 045504 (2008). [Pg.337]

The steps of the ethylene glycol oxidation mechanism (3) are formation of glycolic aldehyde, glyoxal or glycolic acid, glyoxylic acid, oxalic acid and finally, formic acid is obtained. For this reason, in the next experiment, the effect of adding glyoxal and oxalic acid in... [Pg.609]

Demarcormay L, Brimaud S, Coutanceau LJM (2007) Ethylene glycol oxidation in alkaline medium at multi-metallic Pt based catalysts. J Electroanal Chem 601 169-180... [Pg.218]

Glycolic acid is an alpha-hydroxy acid, soluble in alcohol, derived from fruit and milk sugars. It can be produced with ethylene glycol-oxidizing microorganisms such as Pichia naganishii AKU 4267 and Rhodotorula sp. 3 Pr-126. Under optimized conditions, they form... [Pg.9]

Scheme 4. General scheme for ethylene glycol oxidation on Pt-based catalysts in acidic media. [Pg.249]

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See also in sourсe #XX -- [ Pg.566 ]



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