[PDF] Top 20 Braz. J. Chem. Eng. vol.33 número1

... The decrease of the titratable acidity after the 12 th day (Figure 3), 10 th day (Figure 4) and 12 th day (Figure 5), respectively, can be explained by the par- tial neutralization a[r] ... See full document

... Abstract - The results of two-dimensional mathematical modeling of heat and mass transfer in a highly viscous hydrocarbon liquid by inductive and radio-frequency (RF) electromagnetic ([r] ... See full document

... Table 2: Final values of total biomass (Xt), P(3HB), polymer percentages (% P(3HB)) and global productivity (Pr), after 13 hours of production phase, for the control cultures and thos[r] ... See full document

... bdelkader, E study of ph pension by Technol., 16 guiar, J. E., B P. D. S., No Silva Jr. J. dyes from a Al layered theoretical 2316 (2013 ellotto, M., Reexaminat try. J. Phys. hargava, B. tential mod ... See full document

... Latroche, M., Surblé, S., Serre, C., Mellot-Dra- znieks, C., Llewellyn, P. L., Lee, J., Chang, J., Jhung, S. H., Férey, G., Hydrogen storage in the giant-pore metal-organic frameworks MIL-100 and MIL-101. ... See full document

... Abstract - Parameters of equilibrium adsorption obtained from experiments using immobilized metal affinity chromatography (IMAC) were used to evaluate the applicability of the steric m[r] ... See full document

... (3) The average local gas void fraction, the local average bubble diameter and the local average inter- facial area concentration initially have an increasing tendency and then tend to[r] ... See full document

... The predictive controller is the Infinite Horizon Model Predictive Control (IHMPC), based on a state-space model that that does not require the use of a state observer because the non-[r] ... See full document

... In this study, a predictive controller using a feed- forward neural network with online adaptation of the parameters was used in the temperature control of a batch process for the styr[r] ... See full document

... To this end, the closed loop simulations using the IMC controller in Smith Predictor structure under nominal parameter values (solid black line), as well as the simulations consideri[r] ... See full document

... The next steps of this work will be to apply the 3D approach, as well as a study on a larger scale of oper- ational conditions with variation of the inlet flow rate of CO 2 and the in[r] ... See full document

... two static nonlinearities are included in the loop. Note that this is the case of the pH neutralizer. Figure 4: The closed loop scheme for Wiener Model. Now, the controller design invo[r] ... See full document

... Optimization of the enzymatic digestibility with the enzyme loading studies for the 4-day incubation period showed that a 25 FPU/g dry biomass enzyme loading yielded 416.32 mg/g dry b[r] ... See full document

... Table 3: Total suspended solids, sludge volume index, sludge retention time, observed growth yield and reduction of excess sludge production in the treatment unit during both distinct p[r] ... See full document

... Abstract - In this work the aerobic degradation of phenol (PH), catechol (CA), resorcinol (RE), hydroquinone (HY) and of the binary mixtures PH+CA, PH+RE, PH+HY by phenol-acclimated ac[r] ... See full document

... The kinetic profiles of cellulase production over a period of 120 hours, using the selected operational conditions (temperature of 28  C, initial substrate mois- ture content of 70%,[r] ... See full document

... Keyword : Deep water; Controlled mud-cap drilling; Unsteady flow; Mathematical model; Kick detection.. INTRODUCTION.[r] ... See full document

... For the highly soluble species nitrate, the recovery was modelled using a previously developed model, obtaining good agreement without any fitting by using only the mass transfer coeffi[r] ... See full document

... The results of sensitivity analysis also showed that the activation energy affects the total biomass conversion more strongly than the other parameters and the contribution of extracti[r] ... See full document

... In total five parameters i.e., microvoid size (L/H), shape (given by inclination angle α ), dimensionless or- thogonal potential ( Ω ), flow rate of the buffer (given by Pe) and mobi[r] ... See full document