[PDF] Top 20 Braz. J. Chem. Eng. vol.22 número4

... Avignone-Rossa, C., Arcas, J. and Mignone, C., Bacillus thuringiensis Growth, Sporulation and δ - Endotoxin Production in Oxygen Limited and Non-Limited Cultures. World Journal of Microbiology and Biotechnology, ... See full document

... Abstract - Bioactivation, a procedure to obtain anaerobic sulphidogenic sludge, was developed in order to increase sulphate reduction and, consequently, sulphide production to remov[r] ... See full document

... Horton, B.S., Commercial Utilization of Minor Milk Components in the Health and Food Industries, Journal of Dairy Science, 78, pp. 2584-2589 (1995). Karau, A., Benken, C., Thömmes, J. and Kula, M.R., The Influence ... See full document

... Determination of SMA involved samples collected 1.0 m from the base of the reactor at 30- day intervals between March 1999 and December 2000. Within that period, 22 samples were obtained and analysed in duplicate, ... See full document

... In this last step, the feeding that was initially done once was changed to twice a day. This procedure aimed to reduce the overload of nitrite and ammonium during the feeding. This load was maintained for 22 days ... See full document

... Solutions provided by the mathematical model structure, i.e., the set of functions that describe the specific rates of microbial growth, glucose uptake and polysaccharide formation wa[r] ... See full document

... with half the resolution of the original image is obtained and another three figures with details in the horizontal, vertical and diagonal directions are obtained. These three images have the same resolutions as the ... See full document

... The specific level of substrate conversion into methane in the reactors appeared to be unaffected by addition of PCP up to concentrations of 6.0 mg.l -1 in the reactor inoculated wit[r] ... See full document

... The highest productivity was obtained in the continuous cultivation, 10.6 mg L -1 h -1 , as compared with 8.8 mg L -1 h -1 in the fed-batch process and 3.5 mg L -1 h -1 in the ba[r] ... See full document

... Spector, M., Cocurrent Biological Nitrification and Denitrification in Wastewater Treatment. Water Environment Research, vol. 70, pp. 1242-1247 (1998). Standard Methods for the Examination of Water and Wastewater, ... See full document

... Based on knowledge of the adsorption capacity of the resin, purification studies on adsorption and elution of the enzyme for each type of buffer were carried out in the fixed bed us[r] ... See full document

... Two different immobilization strategies were studied: one-point and multipoint covalent attachment to the solid matrix.. The multipoint covalent attachment derivative had an 82% immob[r] ... See full document

... Illanes, A., Acevedo, F., Gentina, J.C., Reyes, I., Torres, R., Cartagena, O. and Ruiz, M. A., Production of Penicillin Acylase from Bacillus megaterium in Complex and Defined Media. Process Biochemistry, 29, pp. 263-270 ... See full document

... The aim of this work was to verify the effect of different percentages of gelatinized starch in CB on production of citric acid by SSF in horizontal drum and tray-type bioreactors.. Gel[r] ... See full document

... Abstract - The mass transfer process in a perforated rotating disc contactor (PRDC) using a polymer-polymer aqueous two-phase system was investigated.. The results show that the effici[r] ... See full document

... Figure 10: Simulation of the effect of convective heat transfer coefficient on water loss during drying, page 161. Should be read[r] ... See full document

... In what follows, we are going to present some results of our model (Temperature distribution, moisture content profiles and stresses) and to discuss the influence of some parameters [r] ... See full document

... The change of particle size distribution during agglomeration, modeled by population balances, is linked to the heat and mass transfer model.. A new technique is derived to extract aggl[r] ... See full document

... Nevertheless, the implementation of electromagnetic waves could be one of the most promising drying techniques in the future, especially because of its potential for savings in energy[r] ... See full document

... The combination of high wood temperature and the elapsed drying time causes the sugars and proteins to react by a complicated chemical reaction, termed as Maillard reaction, which ult[r] ... See full document