Papers by Keyword: Petroleum Waste

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Authors: Bruno C.A. Pinheiro, J.N.F. Holanda
Abstract: The petroleum industry generates huge amounts of oily sludge during the process of oil and gas extraction. This waste is a pollutant material that can cause environmental damage. Because of this, it has been treated with bentonite clay, being referred as encapsulated petroleum waste. In this work the chemical-environmental characterization and classification of the petroleum waste were done according to ABNT standards. The results indicated that the encapsulated petroleum waste should be classified as Class IIA – “No Inert”. Therefore, it could be used in manufacture of ceramic products for civil construction.
Authors: R.F. Gomes, Gustavo de Castro Xavier, F.A.J. Saboya, P.C.A. Maia, J. Alexandre, L.G. Pedroti
Abstract: The red ceramic pieces Campos-RJ degrade easily when they are in the built environment. With the intention to reduce the degradation in these pieces, was introduced petroleum coke in red ceramic. Petroleum coke is a solid fossil fuel, black in color and about granular form. With percentage of 0%, 0.5%, 1% and 1.5% clay added to the coke were obtained is prismatic ceramic samples. After drying at 110 ° C, fired at 800°C and 900°C and carried out at accelerated degradation in the laboratory by degradation equipment, obtaining the technological properties and Weibull distributions before and after degradation in the samples. The 900°C gave the highest Weibull modulus (m = 12.50) compared with the firing pieces at 800°C. The results show that the incorporation of 0.5% of petroleum coke improves the Weibull modulus of the degraded material.
Authors: Bruno C.A. Pinheiro, J.N.F. Holanda
Abstract: In this work is done a study on the sintered microstructure of ceramic tile paste incorporated with petroleum waste. The raw materials used were kaolin, sodic feldspar, quartz and petroleum waste. The ceramic tiles containing up to 5 wt% petroleum waste were prepared by uniaxial pressing and sintered at 1200°C. The microstructural evolution was examined by SEM. In addition, water absorption, linear shrinkage, and sintered density were determined. The results showed that the microstructure of the ceramic tiles is influenced by the added petroleum waste.
Authors: G.P. Souza, R.S. Santos, J.N.F. Holanda
Authors: M.F. Rodrigues, M.S. Sthel, H. Vargas, J.N.F. Holanda
Abstract: In Campos oil Basin (Brazil), which is responsible for more than 80 % of the national petroleum production, it is generated a great amount of wastes from deep crude oil extraction related activities. Particularly, the oil sludge waste has been intensely studied in order to search alternatives for the reuse of the waste in treated form in the ceramic industry. the present work focuses on the photoacoustic thermal characterization of sintered ceramic bodies containing up to 5 wt.% added waste. Specimens were uniaxially pressed at 25 MPa, and sintered between 850 °C and 1000 °C. The results of thermal diffusivity indicate that the use of petroleum waste in structural ceramic up to 5 wt.% does not cause significant changes in the structure or composition of the clay/waste system, resulting in great advantages in waste minimization.
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