Doctoral student in Bioenergy at IPBEN Unesp, master in mechanical engineering, industrial and technical engineer in chemistry and administration. Experience in the area of industrial engineering, mainly regarding the bleaching processes of cellulosic pulp, of eucalyptus wood, with the use of chlorine dioxide, studying the feasibility of alkaline extraction in such processes. In addition to obtaining furfuraldehyde from eucalyptus wood, incorporated into the production of ethanol. Professional experience in the area of recovery of utilities in a pulp and paper factory. Experience as Application Development at Accenture do Brasil, working with Salesforce. (Source: Lattes Curriculum)
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In the bleaching process it is ideal that the removal of undesirable components present in pulp, such as lignin and HexA's, give an efficient manner, but at low cost in the process. As this removal occurs differently, the sequence used should contain suitable ways for removal of these two chemical compounds. The high temperature of acid hydrolysis (AHT) stage presents adequate conditions …
The acid hydrolysis stage (AHT), used in bleaching sequences of pulp, is primarily engaged in the degradation hexenuronic acid, which if is present on paper can affect brightness reversion, among other factors. Despite benefit using acid hydrolysis stage, when it comes to lignin degradation the pH of pulp is not the most appropriate, because lignin is more reactive in alkaline medium. The…
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