Results 31 to 40 of about 980 (154)
COMPOSITIONAL VARIABILITY IN BITUMENS FROM EOLIC SEDIMENTARY FACIES OF PIRAMBÓIA FORMATION, PARANÁ BASIN, BRAZIL: CHARACTERIZING BIODEGRADATION [PDF]
Bitumen accumulations were identified within eolic sedimentary facies of Pirambóia Formation, in the eastern margin of Paraná Basin in Brazil. This basin is known to have great mineable oil sand accumulations (tar sands), with one of the 19 occurrences ...
Laercio Lopes Martins +3 more
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OIL SLUDGE AND TAR SANDS AS AN IMPORTANT SOURCE OIL AND PROBLEMATIC ENVIRONMENTAL FACTORS
The paper represents the results of implementation of liquid and supercritical fluid extraction processes in order to extract oil-products from oil sludge.
V. F. Khairutdinov, F. M. Gumerov
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Equilibrium and Kinetic Modelling of Phenol Adsorption onto Mixtures of Tar Sands and Titania
The isotherms and kinetics of adsorption of phenol onto mixtures of physically-activated tar sands and titania were studied at 298 K. Three kinetic models, i.e., pseudo-first order, pseudo-second order and intraparticle diffusion, were applied to fit the
Lua'y Zeatoun
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Lexical choices reflect stances of evaluation and position speakers in relation to each other. With highly controversial issues however, speakers’ terms can index polarized positions, leaving little room for those who wish to indicate a more neutral ...
Keely Kidner
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Biosurfactants: Promising Molecules for Petroleum Biotechnology Advances
The growing global demand for sustainable technologies that improves the efficiency of petrochemical processes in the oil industry has driven advances in petroleum biotechnology in recent years.
DARNE GERMANO DE ALMEIDA +6 more
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Geological investigation have led to discovery of huge tar sand deposits within Afowo Formation of the Turonian–Maastrichtianage (95.9–66.0 Ma) in the Nigerian sector of the Eastern Dahomey Basin.
A. Akinmosin +2 more
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What has the addition of aboriginal rights to the Canadian constitution in 1982 meant for the place of First Nations’ interests in the Canadian constitutional order?
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There have been a number of critical historical opportunities for labor to exert power by interrupting long distance flows of commodities at the extraction, processing, and transport stages. This vulnerability has been used by workers in these industries
Elizabeth Sowers +2 more
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Réflexions sur la notion de réserves énergétiques The Concept of Energy Reserves
L'étude qui est présentée ici rassemble les estimations les plus récentes relatives aux réserves énergétiques. Les combustibles nucléaires, les combustibles solides, les sables et schistes bitumineux sont tour à tour passés en revue et l'importance de ...
Boy De la Tour X. +2 more
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The Nature of Athabasca Tar Sand (Canada) and Tar Sand Derivatives. A Comparison with Coal-hydrogenolysis Products [PDF]
Abstract Solvent extracts of Athabasca tar sand were analyzed by the Brown-Ladner method, the Takeya et al. method, and the Speight method on the basis of the 1H-NMR data and by 13C-NMR spectroscopy. The structural characteristics of Athabasca tar sand derivatives were also compared with those of coal-hydrogenolysis products. The results
Ryoichi Yoshida +8 more
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