Search Results - "Borcanescu, Silvana"

Functionalized Ordered Mesoporous MCM-48 Silica: Synthesis, Characterization and Adsorbent for CO2 Capture by Borcănescu, Silvana, Popa, Alexandru, Verdeș, Orsina, Suba, Mariana

“…The ordered mesoporous silica MCM-48 with cubic Ia3d structure was synthesized using the cationic surfactant hexadecyltrimethylammonium bromide (CTAB) as a…”
Get full text

Effect of Temperature on CO2 Adsorption onto Amine-Functionalized KIT-6 Adsorbents by Suba, Mariana, Verdeș, Orsina, Borcănescu, Silvana, Popa, Alexandru

“…The mesoporous silica KIT-6 was synthesized and functionalized with 3-aminopropyltriethoxysilane (APTES) by grafting at 110 °C. The composites were prepared…”
Get full text

Ni and Ce Grafted Ordered Mesoporous Silica KIT-6 for CO2 Adsorption by Mariana Suba, Alexandru Popa, Orsina Verdeș, Silvana Borcănescu, Paul Barvinschi

“…In this study, the Ni/KIT-6 and Ce/KIT-6 materials were prepared through the impregnation method and then amino-functionalized materials were obtained by the…”
Get full text

Thermogravimetry Applied for Investigation of Coke Formation in Ethanol Conversion over Heteropoly Tungstate Catalysts by Orsina Verdeş, Alexandru Popa, Silvana Borcănescu, Mariana Suba, Viorel Sasca

“…Thermogravimetric analysis (TGA) was used to evaluate the thermal stability and the amount of coke deposition resulting from the deactivation of catalysts…”
Get full text

Ni-Ti Codoped Hibonite Ceramic Pigments by Combustion Synthesis: Crystal Structure and Optical Properties by Ardit, Matteo, Borcănescu, Silvana, Cruciani, Giuseppe, Dondi, Michele, Lazău, Ioan, Păcurariu, Cornelia, Zanelli, Chiara

“…Hibonite (CaAl12O19, space group [s.g.] P63/mmc) has the structural formula A[XII]M1[VI] M2[V]M32[IV]M42[VI]M56[VI]O19, where Ca is 12‐fold coordinated at site…”
Get full text

Preparation and characterisation of amino-functionalized pore-expanded mesoporous silica for carbon dioxide capture by Popa, Alexandru, Borcanescu, Silvana, Holclajtner-Antunović, Ivanka, Bajuk-Bogdanović, Danica, Uskoković-Marković, Snežana

“…In this study, the preparation of some large-pore ordered mesoporous silicas using a proper surfactant with different swelling agents was carried out. The…”
Get full text

Single-step combustion synthesis of YAlO3 powders by Ianoş, Robert, Lazău, Radu, Borcănescu, Silvana, Băbuţă, Roxana

“…Single-phase YAlO₃ was obtained by combustion synthesis using a fuel mixture of urea and glycine. Temperature–time profile recorded by infrared thermal imaging…”
Get full text

Large surface area ZnAl2O4 powders prepared by a modified combustion technique by Ianos, Robert, Borcanescu, Silvana, Lazau, Radu

“…•Large surface area ZnAl2O4 powder was prepared using a new combustion technique.•Basically, this new technique relies on using zinc acetate instead of zinc…”
Get full text

Catalytic activity of heteropoly tungstate catalysts for ethanol dehydration reaction: Deactivation and regeneration by Verdes, Orsina, Sasca, Viorel, Popa, Alexandru, Suba, Mariana, Borcanescu, Silvana

“…[Display omitted] •Dehydration of ethanol was studied over silica-supported HPCs between 200 and 350 C°.•The XP spectra show that Pd doped HPAs consists of…”
Get full text

Single-step combustion synthesis of LaAlO3 powders and their sintering behavior by Ianoş, Robert, Lazău, Radu, Borcănescu, Silvana, Băbuță, Roxana

“…Single-phase LaAlO3 was prepared by a simple combustion synthesis procedure, which relies on using urea and β-alanine fuel mixture, instead of a single fuel…”
Get full text

Nanocrystalline BaAl2O4 powders prepared by aqueous combustion synthesis by Ianoş, Robert, Lazău, Radu, Băbuƫă, Roxana, Borcănescu, Silvana, Renato Boruntea, Cristian

“…In order to achieve BaAl2O4 formation via combustion synthesis, two types of recipes were designed: single fuel recipes (urea, glycine, β-alanine or…”
Get full text

The influence of palladium on the catalytic activity for ethanol conversion over heteropoly tungstate catalysts by Verdes, Orsina, Sasca, Viorel, Suba, Mariana, Borcanescu, Silvana, Popa, Alexandru

“…The dehydration reaction was studied using pure and palladium doped Keggin type heteropoly compounds (H 3 PW 12 O 40 and Cs 2.5 H 0.5 PW 12 O 40 ) in the…”
Get full text

Single-step combustion synthesis of YAlO.sub.3 powders by Ianos, Robert, Lazau, Radu, Borcanescu, Silvana, Babuta, Roxana

“…Single-phase YAlO.sub.3 was obtained by combustion synthesis using a fuel mixture of urea and glycine. Temperature-time profile recorded by infrared thermal…”
Get full text

Functionalized Ordered Mesoporous MCM-48 Silica: Synthesis, Characterization and Adsorbent for CO[sub.2] Capture by Borcănescu, Silvana, Popa, Alexandru, Verdeș, Orsina, Suba, Mariana

“…The ordered mesoporous silica MCM-48 with cubic Ia3d structure was synthesized using the cationic surfactant hexadecyltrimethylammonium bromide (CTAB) as a…”
Get full text

Effect of Temperature on CO 2 Adsorption onto Amine-Functionalized KIT-6 Adsorbents by Suba, Mariana, Verdeș, Orsina, Borcănescu, Silvana, Popa, Alexandru

“…The mesoporous silica KIT-6 was synthesized and functionalized with 3-aminopropyltriethoxysilane (APTES) by grafting at 110 °C. The composites were prepared…”
Get full text

Functionalized Ordered Mesoporous MCM-48 Silica: Synthesis, Characterization and Adsorbent for CO 2 Capture by Borcănescu, Silvana, Popa, Alexandru, Verdeș, Orsina, Suba, Mariana

“…The ordered mesoporous silica MCM-48 with cubic Ia3d structure was synthesized using the cationic surfactant hexadecyltrimethylammonium bromide (CTAB) as a…”
Get full text