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Shinde, V.M. (author), Skupien, E. (author), Makkee, M. (author)
Narrow sized and highly homogeneous dispersed Pd nanoparticles have been synthesized on nitric acid-functionalized multi-walled carbon nanotubes (CNTs) without a capping agent. The TEM images show that the extremely small Pd nanoparticles with an average size of about 1.5 nm were homogeneously dispersed on the surface of the CNTs. The...
journal article 2015
document
Negro, E. (author), Dieci, M. (author), Sordi, D. (author), Kowlgi, K. (author), Makkee, M. (author), Koper, G.J.M. (author)
We report on the production of Carbon Nano Networks (CNNs) from dense microemulsions in which catalyst nanoparticles have been synthesized. CNNs are 3D carbon networks, consisting of branches and junctions, and are mesoporous, graphitic, and conductive being suitable as electrode materials.
journal article 2014
document
Nederlof, C. (author), Vijfhuizen, P. (author), Zarubina, V. (author), Melián-Cabrera, I. (author), Kapteijn, F. (author), Makkee, M. (author)
A packed bed microbalance reactor setup (TEOM-GC) is used to investigate the formation of coke as a function of time-on-stream on ?-Al2O3 and 3P/SiO2 catalyst samples under different conditions for the ODH reaction of ethylbenzene to styrene. All samples show a linear correlation of the styrene selectivity and yield with the initial coverage of...
journal article 2014
document
Sartipi, S. (author), Makkee, M. (author), Kapteijn, F. (author), Gascon, J. (author)
The combination of acidic zeolites and Fischer–Tropsch synthesis (FTS) catalysts for one-step production of liquid fuels from syngas is critically reviewed. Bifunctional systems are classified by the proximity between FTS and acid functionalities on three levels: reactor, catalyst particle, and active phase. A thorough analysis of the published...
journal article 2014
document
Li, J. (author), Soares, H.S.M.P. (author), Moulijn, J.A. (author), Makkee, M. (author)
The hydrolysis and hydrogenation of cellobiose (4-O-b-D-glucopyranosyl-D-glucose) in ZnCl2_4H2O solvent was studied to optimize the conditions for conversion of lignocellulose (the most abundant renewable resource) into sorbitol (D-glucitol). Water at neutral pH does not allow hydrolysis of cellobiose under the conditions of the experiments (up...
journal article 2013
document
Li, J. (author), Spina, A. (author), Moulijn, J.A. (author), Makkee, M. (author)
The sorbitol conversion in a molten salt hydrate medium (ZnCl2; 70 wt% in water) was studied. Dehydration is the main reaction, initially 1,4- and 3,6-anhydrosorbitol are the main products that are subsequently converted into isosorbide; two other anhydrohexitols, (1,5- and 2,5-), formed are in less amounts and do not undergo further dehydration...
journal article 2013
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