The photoelectrochemical performance and the semiconducting properties of iron, carbon and nitrogen modified TiO2 films prepared by a sol-gel method and deposited on 304 stainless steel (304SS) plates by a dip-coating technique were studied. Iron and carbon co-doped films were pr...
Autor(es): Martha Eugenia Niño. Jose Antonio Henao. Laura Marcela Joya. Ingrid Natalia Sequeda. Angel Manuel Melendez. Rogelio Ospina.
Small-Angle X-ray Scattering (SAXS) technique was used to characterize the structure of Asphaltene aggregates as a function of its concentration in Toluene solutions. Asphaltene concentration ranged from 0.01 to 1% w/v. Solid Asphaltenes were obtained from a Colombian heavy crude...
Autor(es): Juan Carlos Poveda. Jose Antonio Henao. Lina Rocio Morantes.
In this work, NaY zeolite is explored as a possible ?template? to obtain porous materials type ZTC from the adsorption of heavy crude oil in a water-oil model system (emulsion). In order to produce the adsorbents, a cationic surfactant is selected to facilitate the adsorption of...
Autor(es): Jose Antonio Henao.
The title compound, C17H20O3, the cycloheptane ring adopts a slightly distorted chair conformation. The planar five-membered ring is inclined at 57.13 (11) to the phenyl ring of the benzyloxy substituent. In the crystal structure, C?HO and C?H hydrogen bonds generate layers in th...
Autor(es): Juan Manuel Urbina. Jose Antonio Henao. Elvis Robles. Jose Hernando Quintana.