Exploració per autor "Valderrama Ángel, César Alberto"
Ara es mostren els items 11-30 de 157
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Binary fixed bed modeling of phenol/aniline removal from aqueous solutions onto hyper-cross-linked resin (Macronet MN200)
Valderrama Ángel, César Alberto; Poch Garcia, Jordi; Barios, Joan I.; Farran Marsà, Adriana; Cortina Pallás, José Luís (2012-05-10)
Article
Accés restringit per política de l'editorialThe sorption performance of hyper-cross-linked Macronet resin (MN200) to remove phenol and aniline from aqueous solution has been evaluated. Fixed bed column experiments were undertaken to obtain the breakthrough curves ... -
Biogas biological desulphurisation under extremely acidic conditions for energetic valorisation in Solid Oxide Fuel Cells
de Arespacochaga, N.; Valderrama Ángel, César Alberto; Mesa, C.; Bouchy, Lynne; Cortina Pallás, José Luís (2014-11-01)
Article
Accés restringit per política de l'editorialThe most harmful biogas contaminant for energy conversion equipment such as fuel cells is hydrogen sulphide (H2S); thus efficient and cost-effective treatment systems for this compound should be designed and developed. A ... -
Biogas deep clean-up based on adsorption technologies for solid oxide fuel cell applications
de Arespacochaga, N.; Valderrama Ángel, César Alberto; Mesa, C.; Bouchy, Lynne; Cortina Pallás, José Luís (2014-11-01)
Article
Accés restringit per política de l'editorialBiogas from anaerobic digestion is a powerful renewable fuel that can be used as a feedstock for fuel cell systems. A biogas deep treatment was installed and operated at pilot plant level in a Waste Water Treatment Plant ... -
Boron recovery from desalination seawater brines by selective ion exchange resins
Figueira Alves, Mariana; Reig i Amat, Mònica; Fernández de Labastida Ventura, Marcos; Cortina Pallás, José Luís; Valderrama Ángel, César Alberto (Elsevier, 2022-07-15)
Article
Accés restringit per política de l'editorialThe European Union (EU) depends on third markets to supply many important raw materials. Increasing the circularity of critical raw materials within the EU is important not only from an environmental perspective, but also ... -
Cadmium and lead removal from aqueous solution by grape stalk wastes: modeling of a fixed-bed column
Miralles Esteban, Núria; Valderrama Ángel, César Alberto; Casas Pons, Ignasi; Martínez Martínez, María del Rosario; Florido Pérez, Antonio (2010-09)
Article
Accés obertGrape stalk wastes generated in the wine production process were used for the removal of cadmium and lead ions from aqueous solutions. The experimental breakthrough curves (BTC) were obtained from fixedbed columns. ... -
Characterization of chromium (III) removal from aqueous solutions by an immature coal (leonardite). Toward a better understanding of the phenomena involved
Lao Luque, Concepción; Solé Sardans, Maria Montserrat; Gamisans Noguera, Javier; Valderrama Ángel, César Alberto; Dorado Castaño, Antonio David (2014-01)
Article
Accés obertRemoval of chromium (III) from aqueous solutions by leonardite (a low-cost adsorbent) was studied in a series of batch experiments. Stabilization of the adsorbent material with alginate beads was also investigated. The ... -
Comparative LCA of sewage sludge valorisation as both fuel and raw material substitute in clinker production
Valderrama Ángel, César Alberto; Granados, Ricard; Cortina Pallás, José Luís; Martínez Gasol, Carles; Guillem, Manel; Josa Garcia-Tornel, Alejandro (Elsevier, 2013-07-15)
Article
Accés restringit per política de l'editorialA life cycle assessment to evaluate the environmental impact of urban sewage sludge use as alternative fuel or raw material in clinker production was carried out. In order to quantify in detail the overall environmental ... -
Concentration of NaCl from seawater reverse osmosis brines for the chlor-alkali industry by electrodialysis
Reig i Amat, Mònica; Casas Garriga, Sandra; Aladjem, Carlos; Valderrama Ángel, César Alberto; Gibert Agulló, Oriol; Valero Cervera, Fernando; Miguel Centeno, Carlos; Larrotcha, Enric; Cortina Pallás, José Luís (2014-06-02)
Article
Accés restringit per política de l'editorialCurrently, numerous studies are focused on the valorisation of seawater desalination reverse osmosis brines. Electrodialysis can be used to concentrate one of the primary components (NaCI) and obtain a suitable raw material ... -
CONTAMINACIÓ ATMOSFÈRICA I TECNOLOGIES DE TRACTAMENT (Examen 2n quadrimestre, 1r parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2016-04-08)
Examen
Accés restringit a la comunitat UPC -
CONTAMINACIÓ ATMOSFÈRICA I TECNOLOGIES DE TRACTAMENT (Examen 2n quadrimestre, 1r parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2013-04-12)
Examen
Accés restringit a la comunitat UPC -
CONTAMINACIÓ ATMOSFÈRICA I TECNOLOGIES DE TRACTAMENT (Examen 2n quadrimestre, 1r parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2014-04-03)
Examen
Accés restringit a la comunitat UPC -
CONTAMINACIÓ ATMOSFÈRICA I TECNOLOGIES DE TRACTAMENT (Examen 2n quadrimestre, 1r parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2015-04-16)
Examen
Accés restringit a la comunitat UPC -
CONTAMINACIÓ ATMOSFÈRICA I TECNOLOGIES DE TRACTAMENT (Examen 2n quadrimestre, 1r parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2012-04-20)
Examen
Accés restringit a la comunitat UPC -
CONTAMINACIÓ ATMOSFÈRICA I TRACTAMENT DE GASOS (2n quadrimestre, 1 parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2011-04-12)
Examen
Accés restringit a la comunitat UPC -
CONTAMINACIÓ ATMOSFÈRICA I TRACTAMENT DE GASOS (2n quadrimestre, 2n parcial)
Valderrama Ángel, César Alberto (Universitat Politècnica de Catalunya, 2011-06-08)
Examen
Accés restringit a la comunitat UPC -
Cr(III) removal from aqueous solutions: a straaightforward model approaching of the adsorption in a fixed-bed column
Dorado Castaño, Antonio David; Gamisans Noguera, Javier; Valderrama Ángel, César Alberto; Solé Sardans, Maria Montserrat; Lao Luque, Concepción (2014-02-07)
Article
Accés obertPrediction of breakthrough curves for continuous sorption characterization is generally performed by means of simple and simplified equations. These expressions hardly have any physical meaning and, also do not allow ... -
Design, construction, and operation of the first industrial salinity-gradient solar pond in Europe: An efficiency analysis perspective
Alcaraz Segura, Aurora; Montalà Palau, Montserrat; Cortina Pallás, José Luís; Akbarzadeh, Aliakbar; Aladjem, Carlos; Farran Marsà, Adriana; Valderrama Ángel, César Alberto (2018-04)
Article
Accés obertA 500 m2 industrial salinity-gradient solar pond (SGSP) was constructed in a mineral processing plant (Solvay Minerales) in Granada (Spain). This renewable energy technology was designed to supply a low-temperature heat ... -
Detrimental effects of magnesium (II) on hydroxyapatite precipitation from synthetic industrial brines
Hermassi, Mehrez; Valderrama Ángel, César Alberto; Dosta, Joan; Cortina Pallás, José Luís; Batis, Narjes (Elsevier, 2016)
Article
Accés obertThe influence of Mg(II) on phosphorous recovery as hydroxyapatite (Hap) from alkaline phosphate concentrates using desalinated industrial brines as the calcium source in a batch reactor was evaluated. Two synthetic brines ... -
Effect of Mn2+/Zn2+/Fe3+ Oxy(Hydroxide) nanoparticles doping onto Mg-Al-LDH on the phosphate removal capacity from simulated wastewater
Guaya, Diana; Cobos, Hernán; Valderrama Ángel, César Alberto; Cortina Pallás, José Luís (2022-10-01)
Article
Accés obertA parent Mg-Al-LDH was upgraded in its adsorption properties due to the incorporation of tri-metal species oxy(hydroxide) nanoparticles obtaining Mn2+/Zn2+/Fe3+/Mg-Al-LDH composite for the phosphate recovery from simulated ... -
Efficient NH3-N recovery from municipal wastewaters via membrane hybrid systems: Nutrient-Energy-Water (NEW) nexus in circular economy
Sheikh, Mahdi; Harami, Hossein Riasat; Rezakazemi, Mashallah; Valderrama Ángel, César Alberto; Cortina Pallás, José Luís; Aminabhavi, Tejraj M. (Elsevier, 2023-06-01)
Article
Accés restringit per política de l'editorialIn the present-day scenario, conventional wastewater treatment technologies for effectively removing ammonia (NH3) from municipal/domestic wastewater sparked a major worldwide issue, which could be of fundamental matter ...