Degradacao termica e catalitica da borra oleosa dePetroleo com materiais nanoestruturados al-mcm-41 eAL-SBA-15

摘要

Aiming to reduce and reuse waste oil from oily sludge generated in large volumes by the oilindustry, types of nanostructured materials Al-MCM-41 and Al-SBA-15, with ratios of Si / Al= 50, were synthesized , and calcined solids used as catalysts in the degradation of oily sludgethermocatalytic oil from oilfield Canto do Amaro, in the state of Rio Grande do Norte.Samples of nanostructured materials were characterized by thermogravimetric analysis (TG /DTG), X-ray diffraction (XRD), scanning electron microscopy (SEM), absorptionspectroscopy in the infrared Fourier transform (FT-IR) and adsorption nitrogen (BET). Thecharacterization showed that the synthesized materials resulted in a catalyst nanostructure,and ordered pore diameter and surface area according to existing literature. The oily sludgesample was characterized by determining the API gravity and sulfur content and SARAanalysis (saturates, aromatics, resins and asphaltenes). The results showed a materialequivalent to the average oil with API gravity of 26.1, a low sulfur content and considerableamount of resins and asphaltenes, presented above in the literature. The thermal and catalyticdegradation of the oily sludge oil was performed from room temperature to 870 ° C in theratios of heating of 5, 10 and 20 ° C min-1. The curves generated by TG / DTG showed amore accelerated degradation of oily sludge when it introduced the nanostructured materials.These results were confirmed by activation energy calculated by the method of Flynn-Wall, inthe presence of catalysts reduced energy, in particular in the range of cracking, showing theprocess efficiency, mainly for extraction of lightweight materials of composition of oilysludge, such as diesel and gasoline