[PDF] Top 20 Removal of cobalt from lubricant oil by the use of bentonite: equilibrium, kinetic and adsorption preliminary studies

... contaminate lubricant oils in nuclear power plants. In Brazil, this kind of waste has been stored in the generator’s facilities, awaiting treatment ...using bentonite as sorbent ... See full document

... temperature of (22 ± 3) °C. The vessel was a 200 mL glass beaker with agitation by overhead ...Commercial bentonite Brasgel FF (sodic smectitic activated clay) was added to samples of ... See full document

... to the xanthene class and is applicable in agate dyeing, in the animal feed industry, in textile industries, as a fluorescent tracer in water, and in the production of jet ... See full document

... Abstract: The demographic structure of the population of the European conger eel (Conger conger; Linnaeus, 1758) from the Western coast of Algeria is made up ... See full document

... Through kinetic studies at static system, it is verified that removal capacity is reduced by clay ...in preliminary tests, raw clays could not be applied in fixed bed due to their ... See full document

... Introduction of aluminium in the quantity of either about 0.6% (the alloy from melt ...alloy from melt No. 2) leads to the arising of the ferrite-pearlite ... See full document

... support and guidance during this ...for the help with the data and for insightful comments on several versions of this ...organize the data. We also benefited from ... See full document

... solution of the mass balance equations was obtained by the fourth-order Runge-Kutta method ...subroutine) and the subroutine hybrid fractional error function (HYBRID) was used to ... See full document

... results from the empirical study show that browsers prefer the site that is efficient, excellent, and present to them an economic value than the one with a good visual appeal and ... See full document

... that the solid was separated and the supernatant analyzed. The retained cations by prepared solids were calculated by difference between initial and final concentration ... See full document

... determine the appropriate hydraulic ratio between the important cross-sections of the modification device, and next to influence of the modifier amount and ... See full document

... influences the grain size and the quality of the casting is the amount of modifier introduced into the ...mould. The amount of cobalt aluminate ... See full document

... with the busts of musicians, gift-bearers was subjected to the unified principle of division of the entire space into rhythmic segments" [47, ...consider the case when ... See full document

... We use a standard sticky-price model to provide evidence on three mechanisms that can reconcile somewhat frequent price changes with large and persistent real e¤ects of monetary ...for the ... See full document

... that the whole of Brazil went through a process of moving towards a higher share of services, a lower share of agriculture, more urbanization, and less ...sample of ... See full document

... dependence from the temperature of casting the bronze to the mould on Figure ...6. From the introduced cross - section of casts from the probe TDAg, ... See full document

... on the objectives to be achieved and problems that have been formulated, the method used is juridical- ...sociological. The juridical approach is intended to explore and study ... See full document

... Optimisation of the turbine mixer’s performance during the preparations of the sand mix still remains an important issue as this mixer type is now in widespread ...techniques of ... See full document

... (RP) and rapid tooling (RT) systems are increasingly used in the production of casting ...9]. The spectrum of rapid prototyping uses can be expanded by the application ... See full document

... supporting and promoting ICT usage just like its Singapore ...conducted by the Malaysia Communications and Multimedia Commission (MCMC) ...out of ten Internet users access e- government ... See full document