Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Juan C. De Jesus"'
Publikováno v:
Avances en Ciencias e Ingeniería, Vol 2, Iss 1, Pp 51-62 (2011)
Fueron preparados sólidos sulfurados tipo MoS2 mediante la descomposición térmica de emulsiones agua/aceite (W/O), incorporando en su fase acuosa heptamolibdato de amonio ((NH4)6Mo7O24.4H2O) y un agente sulfurante, con el fin de evaluar fases acti
Externí odkaz:
https://doaj.org/article/36ac2f0229644ff081f0e56ff4f11b25
Publikováno v:
Journal of Analytical and Applied Pyrolysis. 130:332-343
In this study, size control of carbon-encapsulated nickel nanoparticles (CENiNPs) synthesized by direct thermal decomposition of Ni(CH3COO)2.4H2O (NiAc) was possible by varying systematically the initial amount of the precursor during its pyrolysis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30d8108cbe69daea1776e9d95e15ddef
https://doi.org/10.1016/j.jaap.2017.12.013
https://doi.org/10.1016/j.jaap.2017.12.013
Publikováno v:
The Journal of Physical Chemistry C. 116:21577-21587
Nickel nanoparticles were synthesized by two different routes and their reactivity was assessed during methane catalytic decomposition (MCD) conducted in situ in a thermogravimetric analyzer at atmospheric pressure from room temperature to 930 °C. C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dcf9460c2f0645b58a31c456ed0ba169
https://doi.org/10.1021/jp302372r
https://doi.org/10.1021/jp302372r
Publikováno v:
Avances en Ciencias e Ingeniería, Vol 2, Iss 1, Pp 51-62 (2011)
MoS2 solids were prepared through the formulation and thermal decomposition of water in oil emulsions (W/O), using ammonium heptamolybdate ((NH4)6Mo7O24.4H2O) and a sulfur agent, for the assessment of potential active phases feasible in novel ultradi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doajarticles::657cd8a5c56156e021eb05736ca581dd
http://www.exeedu.com/publishing.cl/av_cienc_ing/
http://www.exeedu.com/publishing.cl/av_cienc_ing/
Publikováno v:
Catalysis Today. 149:352-357
In this study, a simple method for the addition of Cu to unsupported nickel nanoparticles is employed to investigate the promotion effect of copper during the nickel-catalyzed decomposition of methane into carbon nanotubes. Bulk nickel and copper ace
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bd14196116b8ca74a6d8f48d638bc69
https://doi.org/10.1016/j.cattod.2009.07.101
https://doi.org/10.1016/j.cattod.2009.07.101
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 26:913-918
Metallic nickel nanoparticles are excellent catalysts for the cracking of methane into carbon nanotubes and hydrogen. Decomposition of tetrahydrate nickel acetate proceeds readily in inert or hydrocarbon streams to produce metallic nickel agglomerate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5b66c56c0c39cb1885ddaaae572e056
https://doi.org/10.1116/1.2885212
https://doi.org/10.1116/1.2885212
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 228:283-291
The thermal decomposition of nickel carboxylates is a feasible route to synthesize metal nanoparticles suitable for catalytic purposes. The aim of this work is the characterization of the thermal decomposition course of nickel acetate tetrahydrate, N
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::85b8e2714953e1aff3cd3f29d20b6339
https://doi.org/10.1016/j.molcata.2004.09.065
https://doi.org/10.1016/j.molcata.2004.09.065
Autor:
JUAN C. DE JESUS, EDGARD RENDON
Para este estudio se seleccionaron muestras de coques de petróleo representativas del circuito refinador venezolano, las cuales se sometieron a experiencias de oxidación a temperatura programada (TPO) en una termobalanza acoplada a un cuadrupolo de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::34e6213fcb8aed1920140ae3b1a7ee27
Se prepararon sulfuros de molibdeno de manera ultradispersa mediante un método de descomposición térmica de emulsiones w/o, incorporando fósforo para estudiar su efecto en los sólidos sintetizados. Se utilizaron heptamolibdato de amonio y sulfur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14246c016d128687be3fd36bfa5bfaa4
Publikováno v:
Micron (Oxford, England : 1993). 42(8)
Ni nanoparticles were synthesized using two water-in-oil emulsions formulated with different surfactants and using n-heptane as the organic phase and aqueous nickel acetate as the catalytic metallic precursor. Characterization by transmission electro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b483bd75a2a55a0afa60d2070b7318f2
https://pubmed.ncbi.nlm.nih.gov/21700468
https://pubmed.ncbi.nlm.nih.gov/21700468