Výsledky vyhledávání - "bescanvi iònic"

Role of ion-exchange resins in hydrogenation reactions

Autor: Jordi H. Badia, Rodrigo Soto, Eliana Ramírez, Roger Bringué, Carles Fité, Montserrat Iborra, Javier Tejero

The role of ion-exchange resins (IERs) as catalysts or catalysts supports, in hydrogenation reactions is revised and their potential application is presented. Both gel-type and macroreticular, basic or acid, IERs have been used for manifold metal-cat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd8a3b7a7866043396a2fea461661e0d
http://hdl.handle.net/2445/196244

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Sustainable recovery of critical elements from seawater saltworks bitterns by integration of high selective sorbents and reactive precipitation and crystallisation: Developing the probe of concept with on-site produced chemicals and energy

Autor: V. Vallès, M. Fernández de Labastida, J. López, G. Battaglia, D. Winter, S. Randazzo, A. Cipollina, J.L. Cortina

The availability of raw mineral resources containing elements included in the Critical Raw Materials (CRMs) list is a growing concern for the European Union. Sea mining has been identified as a promising secondary source. In particular, brines obtain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::923fb54af83693c596161ad0361bbae0
https://hdl.handle.net/2117/385860

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Impact of functional group types in ion exchange resins on rare earth element recovery from treated acid mine waters

Autor: M. Hermassi, M. Granados, C. Valderrama, N. Skoglund, C. Ayora, J.L. Cortina

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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Ion-exchange (IX) resins incorporating single functional groups (sulfonic or amino-phosphonic) and two functional groups (sulfonic and phosphonic) were evaluated for selective recovery of Rare Earth Elements (REEs) from acidic mine waters (AMW). The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::284ca5f7d8f8bb45297a8b4ce827fd02
http://hdl.handle.net/2445/193321

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Liquid-phase synthesis of butyl tert-butyl ether catalysed by ion-exchange resins: kinetic modelling through in-depth model discrimination

Autor: Carles Fité, Jordi Hug Badia, Montserrat Iborra, Eliana Ramírez, Roger Bringué

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

The kinetics of the butyl tert-butyl ether (BTBE) synthesis reaction over Amberlyst¿ 35 as the catalyst has been studied at 303-356 K in the liquid phase in two different reactor systems: batch and fixed-bed. Internal mass transfer effects were dete

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c834d3738adf23b303ee940bccd58d18
https://doi.org/10.1039/d0re00318b

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Synthesis of mesityl oxide from acetone using acidic ion-exchange resins as catalysts

Autor: Rodríguez Sayrol, Mònica

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Treballs Finals de Grau d'Enginyeria Química, Facultat de Química, Universitat de Barcelona, Curs: 2021-2022, Tutors: Rodrigo Soto López, Roger Bringué Tomàs
Acetone, one of the most widely used organic solvents, is mainly synthesized from

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::8f19cfa54cf1e59f31addf9cfed57f55
http://hdl.handle.net/2445/188066

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Catalytic Hydroxyalkylation/Alkylation of 2-Methylfuran with Butanal to Form a Biodiesel Precursor Using Acidic Ion-Exchange Resins

Autor: Roger Bringué, Montserrat Iborra, Javier Tejero, Rodrigo Soto, Eliana Ramírez

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

The catalytic hydroxyalkylation/alkylation of 2-methylfuran (2MF) with butanal has been investigated over several acidic ion-exchange resins within the temperature range 50−90 °C and at a stoichiometric reactant molar ratio of 2MF/butanal (2:1). B

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66757602684f5a00f86f526fb73ca568
https://doi.org/10.1021/acs.iecr.0c04308

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Contribution to the kinetic study of the dehydration of sorbitol over acidic ion-exchange resins

Autor: Quinto Fernández, Eric

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Treballs Finals de Grau d'Enginyeria Química, Facultat de Química, Universitat de Barcelona, Curs: 2021-2022, Tutors: Rodrigo Soto, Eliana Ramírez
Currently, the use of petroleum derivatives as a base in the commodity and fuel industry poses

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9ca475caf00cd992683bd0b8df3a7391
http://hdl.handle.net/2445/188059

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A contribution to the study of the fructose to isosorbide conversion reaction

Autor: Castro Santacreu, Laura

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Treballs Finals de Grau d'Enginyeria Química, Facultat de Química, Universitat de Barcelona, Curs: 2021-2022, Tutors: Javier Tejero Salvador, Montserrat Iborra Urios
The search for an alternative to the rejection of petroleum derivatives as ra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::33987c2f8611821ef6054e45005009f7
http://hdl.handle.net/2445/188049

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Catalytic assessment of ion exchange-based bifunctional catalysts for the hydrogenation of levulinic acid to y-valerolactone

Autor: García Pérez, Carla

Publikováno v: Dipòsit Digital de la UB
Universidad de Barcelona

Treballs Finals de Grau d'Enginyeria Química, Facultat de Química, Universitat de Barcelona, Curs: 2021-2022, Tutors: Jordi H. Badia, Eliana Ramírez
Nowadays, most of the energy and chemicals come from fossil fuels. Nevertheless, there is a g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::bb7ee96da27933dec09aba1a39401c3d
http://hdl.handle.net/2445/188013

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