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Listar por autor "Martínez Franco, Raquel"

Mostrando ítems 1-16 de 16

Direct synthesis design of Cu-SAPO-18, a very efficient catalyst for the SCR of NOx

Martínez Franco, Raquel; Moliner Marin, Manuel; Corma Canós, Avelino (Elsevier, 2014-11)

The combination of Cu(II) triethylenetetramine and N,N-dimethyl-3,5-dimethylpiperidinium as structure directing agents allowed the direct preparation of highly active and hydrothermally stable Cu-SAPO-18 for the selective ...
Direct synthesis of the aluminosilicate form of the small pore CDO zeolite with novel OSDAs and the expanded polymorphs

Martínez Franco, Raquel; Paris, Cecilia; Martínez-Triguero, Joaquín; Moliner Marin, Manuel; Corma Canós, Avelino (Elsevier, 2017)

[EN] A general procedure to synthesize the Al-containing layered CDO precursor (PreCDO) is presented, allowing its preparation under broad Si/Al molar ratios by using novel pyrrole-derived organic molecules as organic ...
Efficient Oligomerization of Pentene into Liquid Fuels on Nanocrystalline Beta Zeolites

Díaz-Rey, Maria Del Rocio; Paris-Carrizo, Cecilia Gertrudis; Martínez Franco, Raquel; Moliner Marin, Manuel; Martínez, Cristina; Corma Canós, Avelino (American Chemical Society, 2017)

[EN] Light alkenes oligomerization, performed in the presence of heterogeneous acid catalysts, is an interesting alternative for the production of clean liquid fuels. The process, when catalyzed by zeolites, is flexible ...
Efficient one-pot preparation of Cu-SSZ-13 materials using cooperative OSDAs for their catalytic applications in the SCR of NOx

Martínez Franco, Raquel; Moliner Marin, Manuel; Thogersen, Joakim R.; Corma Canós, Avelino (Wiley-VCH Verlag, 2013-11)

The cooperative use of the Cu-tetraethylenepentamine complex and N,N,N-trimethyl-1-adamantammonium as organic structure-directing agents (OSDAs) enabled the rationalized one-pot preparation of Cu-containing SSZ-13 zeolites. ...
Estudio de la topología de zeolitas en procesos de isomerización y desproporcionación de la fracción BTX

Martínez Franco, Raquel (Universitat Politècnica de València, 2012-05-16)

Se han estudiado zeolitas con diferente tamaño de poro (medio, grande y multiporo) y se han valorado sus capacidades catalíticas en procesos reactivos de la fracción BTX, tales como la isomerización/desproporcionación de ...
High-silica nanocrystalline Beta zeolites: efficient synthesis and catalytic application

Martínez Franco, Raquel; Paris-Carrizo, Cecilia Gertrudis; Martínez Armero, Marta Evelia; Martínez, Cristina; Moliner Marin, Manuel; Corma Canós, Avelino (The Royal Society of Chemistry, 2015)

[EN] An efficient synthesis methodology to obtain homogeneous nanosized high-silica Beta zeolites ( 10¿20 nm) with high solid yields (above 95%) using simple alkyl-substituted flexible dicationic OSDAs is described. These ...
Improving the catalytic performance of SAPO-18 for the methanol-to-olefins (MTO) reaction by controlling the Si distribution and crystal size

Martínez Franco, Raquel; Li, Zhibin; Martínez Triguero, Luis Joaquín; Moliner Marin, Manuel; Corma Canós, Avelino (Royal Society of Chemistry, 2016)

[EN] The physico-chemical properties of the small pore SAPO-18 zeotype have been controlled by properly selecting the organic molecules acting as organic structure directing agents (OSDAs). The two organic molecules selected ...
Rational direct synthesis methodology of very active and hydrothermally stable Cu-SAPO-34 molecular sieves for the SCR of NOx

Martínez Franco, Raquel; Moliner Marin, Manuel; Franch Martí, Cristina; Kustov, Arkady; Corma Canós, Avelino (Elsevier, 2012-10-30)

A one-pot direct synthesis of Cu-SAPO-34 has been achieved that allows more than 90% yield in the material synthesis. By this method it is easy to control the Cu-loading in the Cu-SAPO-34. It is presented that a maximum ...
Self-Assembled Aromatic Molecules as Efficient Organic Structure Directing Agents to Synthesize the Silicoaluminophosphate SAPO-42 with Isolated Si Species

Martínez Franco, Raquel; Cantin Sanz, Angel; Vidal Moya, José Alejandro; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2015-04-28)

The use of self-assembled aromatic molecules through pi-pi interactions has allowed the preparation of the silicoaluminophosphate (SAPO) form of the LTA, SAPO-42, with controlled Si content as isolated Si sites in the ...
Síntesis de nuevos tamices moleculares con diámetro de poro variable y aplicaciones catalíticas

Martínez Franco, Raquel (Universitat Politècnica de València, 2016-03-07)

[EN] Zeolites and related zeotypes are microporous materials formed by interconnected TO4 tetrahedra (T= Si, Al, P..), creating pores and cavities of molecular dimensions. The ability of controlling the chemical composition ...
Supra-molecular assembly of aromatic proton sponges to direct the crystallization of extra-large-pore zeotypes

Martínez Franco, Raquel; Sun, Junliang; Sastre Navarro, German Ignacio; Yun, Yifeng; Zou, Xiaodong; Moliner Marin, Manuel; Corma Canós, Avelino (Royal Society, The, 2014-06-08)

The combination of different experimental techniques, such as solid C-13 and H-1 magic-angle spinning NMR spectroscopy, fluorescence spectroscopy and powder X-ray diffraction, together with theoretical calculations allows ...
Synthesis of an extra-large molecular sieve using proton sponges as organic structure-directing agents

Martínez Franco, Raquel; Moliner Marin, Manuel; Yun, Yifeng; Sun, Junliang; Wan, Wei; Zou, Xiaodong; Corma Canós, Avelino (National Academy of Sciences, 2013-03-05)

The synthesis of crystalline microporous materials containing large pores is in high demand by industry, especially for the use of these materials as catalysts in chemical processes involving bulky molecules. An extra-large-pore ...
Synthesis of highly stable metal-containing extra-large-pore molecular sieves

Martínez Franco, Raquel; Paris-Carrizo, Cecilia Gertrudis; Moliner Marin, Manuel; Corma Canós, Avelino (Royal Society, The, 2016-02-28)

[EN] The isomorphic substitution of two different metals (Mg and Co) within the framework of the ITQ-51 zeotype (IFO structure) using bulky aromatic proton sponges as organic structure-directing agents (OSDAs) has allowed ...
Synthesis of the small pore silicoaluminophosphate STA-6 by using supramolecular self-assembled organic structure directing agents

Martínez Franco, Raquel; Cantin Sanz, Angel; Moliner Marin, Manuel; Corma Canós, Avelino (American Chemical Society, 2014-08-12)

By means of organic structure directing agents (OSDA) formed by bulky paired quinolinium derived molecules, obtained by self-assembled monomers, it has been possible to synthesize for the first time the pure silicoaluminophosphate ...
Synthesis, characterization and reactivity of high hydrothermally stable Cu-SAPO-34 materials prepared by one-pot processes

Martínez Franco, Raquel; Moliner Marin, Manuel; Concepción Heydorn, Patricia; Thogersen, Joakim Reimer; Corma Canós, Avelino (Elsevier, 2014)

This paper focuses on the design of an innovative air-conditioning system, namely a magnetocaloric air-conditioner for an electric minibus. An integrated design of the complete system is necessary, as the hot and cold side ...
Unusually Low Heat of Adsorption of CO2 on AlPO and SAPO Molecular Sieves

Pérez-Botella, Eduardo; Martínez-Franco, Raquel; Gonzalez-Camuñas, Nuria; Cantin Sanz, Angel; Palomino Roca, Miguel; Moliner Marin, Manuel; Valencia Valencia, Susana; Rey Garcia, Fernando (Frontiers Media SA, 2020-10-28)

[EN] The capture of CO2 from post-combustion streams or from other mixtures, such as natural gas, is an effective way of reducing CO2 emissions, which contribute to the greenhouse effect in the atmosphere. One of the ...