[PDF] Top 20 Braz. J. Chem. Eng. vol.23 número3

... For this reason, other monoterpenes (alpha-pinene, beta-pinene and camphor) were used as substrates. These compounds were shown to be metabolized by the selected strain, producing oxid[r] ... See full document

... In this work, the purpose was to evaluate the mass transfer aspects of carqueja essential oil extraction with supercritical carbon dioxide, using the models proposed by Sovová (1994) [r] ... See full document

... Abstract - The production of manganese dependent peroxidase (MnP) by Phanerochaete chrysosporium and the level of decolorization of 13 dyes were evaluated using static and agitated b[r] ... See full document

... Nichita, D.V., Broseta, D. and de Hemptinne, J.-C., 2004. Multiphase Equilibrium Calculation Using Reduced Variables, paper SPE 89439, Proc. The SPE/DOE 14 th Symposium on Improved Oil Recovery, Tulsa, OK, April ... See full document

... The propane and n-butane used in this work were supplied by White Martins S.A at a purity higher than 99.5%. The vegetable oils (olive – Otoyan, and soybean - Soya) were purchased from a commercial household and were ... See full document

... 7 shows the reactive residue curve map for this system, where it can be seen that, under atmospheric pressure, this reactive mixture does not present any azeotrope, showing how the ch[r] ... See full document

... The relations are the same as those obtained by (Sako et al. The result in Eq. , 2001) which means that deviations from experimental data are expected around the critical point. , 19[r] ... See full document

... It can be observed that the hydrodynamic model employed to simulate the RESS process is able to represent the mass flow experimental values as a function of preexpansion temperature.[r] ... See full document

... Colombo, A., Battilana, P., Ragaini, V. and Bianchi, C.L., Liquid-Liquid Equilibria of the Ternary Systems Water + Acetic Acid + Ethyl Acetate and Water + Acetic Acid + Isophorone (3,3,5- Trimethyl-cyclohexen-1one), ... See full document

... The most common method to date for the enantiomeric resolution of ibuprofen enantiomers and chiral materials in general is high performance liquid chromatography.. For the direct sepa[r] ... See full document

... This increase in maximum temperature of reduction can be attributed to the formation of a larger amount of MgO phase in the catalyst, which decreases the reducibility of the vanadium [r] ... See full document

... Figure 6 shows that the performance of the kinetic model proposed herein is satisfactory for the photodecomposition of hydrogen peroxide in saline medium throughout the whole range of[r] ... See full document

... The relative proportions of the products spectrum obtained from with the use of methanol and methanolic potassium hydroxide mixture at various solvent-to-residue ratios used are as sh[r] ... See full document

... In aerobic activated sludge systems, it has been applied for morphological characterization of microbial flocs, allowing the estimation of different parameters of the Euclidian geomet[r] ... See full document

... The Riemann solvers of Roe-Pike, Harten and the MUSCL-Hancock MINMOD and SUPERBEE second-order extensions of the Roe-Pike method were compared for accuracy and CPU time cost using id[r] ... See full document

... Ke, J., Han, B., George, M.W., Haike, Y. and Poliakoff, M., How Does the Critical Point Change during a Chemical Reaction in Supercritical Fluids? A Study of Hydroformilation of Propene in Supercritical CO 2 , ... See full document

... Chemometric study results demonstrated that 20 days of the experimental system function were sufficient for achieving the maximum efficiency of sorption of the heavy metals studied by [r] ... See full document

... The effects of substrate concentration (sucrose and inulin), pH and temperature on inulinase activity were verified using four factorial design and surface response analysis.. Using su[r] ... See full document

... Therefore, for the present case, the parameters calculated for β =1.3 define the optimal operating conditions for a SMB adsorber with 3 columns per section given a required minimum p[r] ... See full document

... Subtle changes in the surfactant architecture have been shown to cause very significant reductions in the pressure required for stabilization of reverse microemulsions of water in CO[r] ... See full document