Physical; Engineering

Enzymatic synthesis of biolubricants from by-product of soybean oil processing catalyzed by different biocatalysts of Candida rugosa lipase

Authors: Fernandes, KV; Cavalcanti, EDC; Cipolatti, EP; Aguieiras, ECG; Pinto, MCC; Tavares, FA; da Silva, PR; Fernandez-Lafuente, R; Arana-Pena, S; Pinto, JC; Assuncao, CLB; da Silva, JAC; Freire, DMG

Article.
Catal. Today. vol: 362. page: 0920-5861.
Date: feb-15. 2021.
Doi: 10.1016/j.cattod.2020.03.060.

Abstract:
The present work studied the synthesis of biolubricants from by-products of soybean oil processing using the lipase from Candida rugosa [read more]

Immobilization of lipases via interfacial activation on hydrophobic supports: Production of biocatalysts libraries by altering the immobilization conditions

Authors: Arana-Pena, S; Rios, NS; Carballares, D; Goncalves, LRB; Fernandez-Lafuente, R

Article.
Catal. Today. vol: 362. page: 0920-5861.
Date: feb-15. 2021.
Doi: 10.1016/j.cattod.2020.03.059.

Abstract:
Lipases A and B from Candida antarctica (CALA, CALB), and those from Candida rugosa (CRL) and Rhizomucor miehei (RML) have been immobilized on octyl agarose beads under 16 different conditions. The activities of the biocatalysts versus different substrates [read more]

Immobilization of gold on short -channel mesoporous SBA-15 functionalized with thiol and hydrophobic groups for oxidation reactions

Authors: Valdes, RD; Agundez, J; Marquez-Alvarez, C; Perez-Pariente, J

Article.
Catal. Today. vol: 354. page: 0920-5861.
Date: sep-12. 2020.
Doi: 10.1016/j.cattod.2019.09.014.

Abstract:
Nanosized gold entities immobilized on short -channel SBA -15 mesoporous materials functionalized solely with mercaptopropyl groups and together with propyl and octyl moieties have been prepared following a two-steps procedure. These materials have been used as catalysts for the [read more]

Promoting H-2 photoproduction of TiO2-based materials by surface decoration with Pt nanoparticles and SnS2 nanoplatelets

Authors: Barba-Nieto, I; Christoforidis, KC; Fernandez-Garcia, M; Kubacka, A

Article.
Appl. Catal. B-Environ.. vol: 277. page: 0926-3373.
Date: nov-15. 2020.
Doi: 10.1016/j.apcatb.2020.119246.

Abstract:
The production of hydrogen from the photoreforming of sacrificial alcohols was essayed using an anatase-based ternary system having N nanoparticles and SnS2 nanoplatelets at the surface of the oxide support. Contact between phases was optimized to achieve optimum functional [read more]

Performance of an aliovalent-substituted CoCeOx catalyst from bimetallic MOF for VOC oxidation in air

Authors: Li, YX; Han, W; Wang, RX; Weng, LT; Serrano-Lotina, A; Banares, MA; Wang, QY; Yeung, KL

Article.
Appl. Catal. B-Environ.. vol: 275. page: 0926-3373.
Date: oct-15. 2020.
Doi: 10.1016/j.apcatb.2020.119121.

Abstract:
The aliovalent-substitution of cobalt into ceria lattice was demonstrated using a bimetallic CoCeBDC MOF to achieve a high degree of atomic level mixing in the CoCeOx catalyst. Spectroscopic analyses including X-ray [read more]

Controlled selectivity for ethanol steam reforming reaction over doped CeO2 surfaces: The role of gallium

Authors: Vecchietti, J; Lustemberg, P; Fornero, EL; Calatayud, M; Collins, SE; Mohr, S; Ganduglia-Pirovano, MV; Libuda, J; Bonivardi, AL

Article.
Appl. Catal. B-Environ.. vol: 277. page: 0926-3373.
Date: nov-15. 2020.
Doi: 10.1016/j.apcatb.2020.119103.

Abstract:
The ethanol steam reforming reaction, together with the adsorption and decomposition of ethanol was studied on CeO2 and gallium-doped ceria (CeGaOx) by a combined experimental and theoretical approach using [read more]

Fe doped porous triazine as efficient electrocatalysts for the oxygen reduction reaction in acid electrolyte

Authors: Garcia, A; Retuerto, M; Dominguez, C; Pascual, L; Ferrer, P; Gianolio, D; Serrano, A; Assmann, P; Sanchez, DG; Pena, MA; Rojas, S

Article.
Appl. Catal. B-Environ.. vol: 264. page: 0926-3373.
Date: may-05. 2020.
Doi: 10.1016/j.apcatb.2019.118507.

Abstract:
In this work, we report the synthesis of Fe/N/C electrocatalysts using triazine based porous organic polymers as precursors. Iron-doped triazine porous organic polymers were obtained [read more]

Advantageous enzyme selective extraction process of essential spirulina oil

Authors: Verdasco-Martin, CM; Diaz-Lozano, A; Otero, C

Article; Proceedings Paper.
Catal. Today. vol: 346. page: 0920-5861.
Date: APR 15. 2020.
Doi: 10.1016/j.cattod.2019.02.066.

Abstract:
Spirulina is an important source of metabolites and nutrients. It grows rapidly with low land requirements, and it is an ideal feedstock for implementation of a biofactory of bioactive products. A Part of intracelular bio-components are not extracted with [read more]

Guaiacol hydrodeoxygenation over Ni2P supported on 2D-zeolites

Authors: Gutierrez-Rubio, S; Berenguer, A; Prech, J; Opanasenko, M; Ochoa-Hernandez, C; Pizarro, P; Cejka, J; Serrano, DP; Coronado, JM; Moreno, I

Article; Proceedings Paper.
Catal. Today. vol: 345. page: 0920-5861.
Date: APR 1. 2020.
Doi: 10.1016/j.cattod.2019.11.015.

Abstract:
Different 2D zeolites, namely lamellar ZSM-5 (L-ZSM-5), the corresponding silica pillared ZSM-5 (PI-ZSM-5) and an MCM-22 sample, were investigated as nickel phosphide supports and evaluated [read more]

Comparison of Pd and Pd4S based catalysts for partial hydrogenation of external and internal butynes

Authors: Liu, YA; Li, YW; Anderson, JA; Feng, JT; Guerrero-Ruiz, A; Rodriguez-Ramos, I; McCue, AJ; Li, DQ

Article.
J. Catal.. vol: 383. page: 0021-9517.
Date: MAR. 2020.
Doi: 10.1016/j.jcat.2020.01.010.

Abstract:
The partial hydrogenation of but-1-yne and but-2-yne was studied with a view to probing the difference between external and internal alkynes. Catalysts with Pd and Pd4S active phases were prepared on a [read more]

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