Browsing by Subject "Metanol"
Now showing items 1-20 of 26
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Análisis de la certificación de un buque menor de 500 gt por parte de la administración marítima. Estudio y propuesta de inspección de seguridad para buques con combustibles marinos de bajas emisiones
(Universitat Politècnica de Catalunya, 2023-06)
Master thesis
Restricted access - confidentiality agreementLa certificación de un buque por parte de la administración marítima de un estado miembro acogido a los convenios internacionales, es un proceso largo y que se realiza a lo largo de todo el ciclo de vida del buque. A través ... -
Binary interaction parameters from reacting mixture data. Supercritical biodiesel process with CO2 as cosolvent
(2019-01-01)
Article
Open AccessA method is presented for the calculation of binary interaction parameters from reacting mixture data. The process studied is the supercritical methanol transesterification of triolein with CO2 as cosolvent. The reaction ... -
Boosted CO2 reaction with methanol to yield dimethyl carbonate over Mg–Al hydrotalcite-silica lyogels
(2013-05-13)
Article
Restricted access - publisher's policyNonimmobilized and immobilized Mg–Al hydrotalcite-like materials on silica lyogels were prepared and activated by calcination to be tested as catalysts in the direct carboxylation reaction of methanol. The HTs supportedon ... -
Computer simulation of liquid methanol ii:system size effects
(1991-01)
Article
Restricted access - publisher's policyA series of molecular dynamics simulations of liquid methanol has been carried out on a supernode transputer array. Four system sizes from 125 to 512 molecules have been considered, in order to study the effect of system ... -
La destil·lació reactiva al laboratori
(Universitat Politècnica de Catalunya, 2016-07)
Bachelor thesis
Open AccessLa destil·lació reactiva es fonamenta en fer servir la columna de destil·lació com a propi reactor químic i en el principi de la destil·lació, separar els productes gràcies a la diferència entre els seus punts d’ebullició, ... -
Enriquiment d’una població d’arqueobacteris metanogènics hidrogenotròfics en un reactor UASB
(Universitat Politècnica de Catalunya, 2015-02-05)
Bachelor thesis
Open AccessAbstract Anaerobic digestion is a technology widely known for the treatment of organic wastes. By this process the organic matter is partially mineralized and a fuel gas, biogas, is obtained, with a high methane content. ... -
Estudi de viabilitat de la conversió de biogàs en metanol
(Universitat Politècnica de Catalunya, 2018-06)
Master thesis
Restricted access - author's decisionEn el present treball es recorrerà el camí que s’ha seguit per tal de poder estudiar la viabilitat de la conversió del biogàs en metanol. En una primera instància, es van analitzar quins eren els diferents mètodes que es ... -
Estudio calorimétrico de los cambios en la cristalinidad de membranas
(2011)
Conference lecture
Restricted access - publisher's policyEn este trabajo se analizan los cambios en el grado de cristalización y en los hábitos cristalinos que el ácido sulfosuccínico (SSA) produce en membranas de polivinil alcohol (PVA). Las membranas resultantes del ... -
Inoculum characterization: identification of acetate consumption routes
(2015)
Conference lecture
Open AccessA mesophilic inoculum, likely to have syntrophic acetate oxidation bacteria (SAOB) and hydrogenotrophic methanogen (HM) activity due to operational conditions, was characterized by means of methanogenic activity tests, ... -
Ionic association of Na+-Cl-, Na+-Na+ and Cl--Cl- in methanol: mean force potentials and friction kernels
(1995-08)
Article
Restricted access - publisher's policyKinetic investigation of 1-octene bromination in AOT-isooctane-water microemulsions (13 = w = [H2O]/[AOT] = 24 and 6 = z = [IO]/[AOT] = 57) shows that the reaction is first-order in alkene and first-order in bromine, as ... -
Methanol steam reforming behavior of copper impregnated over CeO2-ZrO2 derived from a surfactant assisted coprecipitation route
(2015-09-07)
Article
Open AccessA series of ceria-zirconia solid solutions has been prepared by a surfactant assisted coprecipitation method. After impregnation of copper, their activities have been assessed for methanol steam reforming. The results ... -
Methanol steam reforming behavior of sol-gel synthesized nanodimensional CuxFe1-xAl2O4 hercynites
(2019-01-25)
Article
Open AccessThis work reports the outstanding catalytic activity behavior of sol-gel synthesized nanostructured CuxFe1-xAl2O4 (0.3¿=¿x¿=¿0.8; named as CuFeAln, where n¿=¿30, 40, 50, 60, 70 and 80) hercynites towards methanol steam ... -
Nickel iron diselenide for highly efficient and selective electrocatalytic conversion of methanol to formate
(2021-02-01)
Article
Open AccessThe electro-oxidation of methanol to formate is an interesting example of the potential use of renewable energies to add value to a biosourced chemical commodity. Additionally, methanol electro-oxidation can replace the ... -
NiSn bimetallic nanoparticles as stable electrocatalysts for methanol oxidation reaction
(2018-10-15)
Article
Open AccessNickel is an excellent alternative catalyst to high cost Pt and Pt-group metals as anode material in direct methanol fuel cells. However, nickel presents a relatively low stability under operation conditions, even in ... -
On the positional and orientational order of water and methanol around indole: a study on the microscopic origin of solubility
(2016-09-07)
Article
Open AccessAlthough they are both highly polar liquids, there are a number of compounds, such as many pharmaceuticals, which show vastly different solubilities in methanol compared with water. From theories of the hydrophobic effect, ... -
Orientational dynamics in methanol: influence of temperature and hydrogen bonding
(2020-03-01)
Article
Open AccessRotational diffusion has been investigated in methanol by means of molecular dynamics simulations at several temperatures, approaching the supercooled state. Angular velocity autocorrelation functions in the molecule-fixed ... -
Producción de biocombustibles renovables a partir de residuos sólidos urbanos e hidrógeno verde
(Universitat Politècnica de Catalunya, 2023-10-02)
Bachelor thesis
Restricted access - author's decisionEl projecte proposat ve orientat pels principis de l'economia circular i la sostenibilitat, la protecció del medi ambient i sobretot, la reducció de la petjada de carboni. Aquest projecte pretén ajudar en la transició cap ... -
Simulació d'un procés d'obtenció d'hidrogen per electròlisi i hidrogenació catalítica de CO2
(Universitat Politècnica de Catalunya, 2025-01-29)
Bachelor thesis
Open AccessEl següent Treball de Fi d’Estudis (TFE) explora la viabilitat de la producció de metanol verd mitjançant la valorització de diòxid de carboni (CO2) i l’ús de l’hidrogen verd com a matèries primeres. L’objectiu principal ... -
Single step combustion synthesized Cu/Ce0.8Zr0.2O2 for methanol steam reforming: Structural insights from in situ XPS and HRTEM studies
(2015-11-02)
Article
Open AccessSingle step combustion synthesized Cu (5–15 at.-%)/Ce0.8Zr0.2O2 materials containing highly dispersed copper have been assessed for methanol steam reforming (MSR). The activity patterns suggest Cu (10 at.-%)/Ce0.80Zr0.20O2 ... -
Solar-to-fuels-Research: Charge Transfer, SternVolmer, and Photocatalytic activity study of [Fe-p- (TMA)]-CNQD Hybrid Catalyst
(Universitat Politècnica de Catalunya, 2022-10-28)
Bachelor thesis
Restricted access - confidentiality agreement
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