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Kinetics of the Release Sugars from the Enzymatic and Physico-Chemical Pre-trea...

ABSTRACT: Several pre-treatments are used to release sugars from lignocellulosic materials that are used to produce second-generation ethanol (2G). This study aimed to evaluate the kinetic release of glucose and xylose through the enzymatic and physical treatments of sugarcane bagasse and residual forest biomass, focusing on the ratio between hexose and pentose. Enzymatic hydrolysis after hydrothermal pre-treat...

Chlorine dioxide against bacteria and yeasts from the alcoholic fermentation

Made available in DSpace on 2022-04-28T20:43:07Z (GMT). No. of bitstreams: 0 Previous issue date: 2008-04-01; The ethanol production in Brazil is carried out by fed-batch or continuous process with cell recycle, in such way that bacterial contaminants are also recycled and may be troublesome due to the substrate competition. Addition of sulphuric acid when inoculum cells are washed can control the bacterial gro...

Yeast for pentose fermentation: Isolation, screening, performance, manipulation...

Made available in DSpace on 2022-04-29T08:14:41Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-01-01; The global demand for energy has led the research and the investments to use plant biomass to convert the sugars contained in this material into ethanol. The characteristics of the substrate and process have a strong impact on the choice of microorganisms to be used for fermentation of the sugars. In th...

Optimal conditions for scp production by mixed cultures of a. Niger and cr. lau...

Made available in DSpace on 2022-04-29T08:29:03Z (GMT). No. of bitstreams: 0 Previous issue date: 1994-01-01; Mixed cultures of Aspergillus niger and Cryptococcus laurenti grown in sugar cane vinasse medium under continuous agitation were studied in order to establish optimal conditions (carbon:nitrogen:phosphorus ratios; carbohydrate concentration; initial pH; incubation temperature; incubation period) for bio...

Screening of plant growth-promoting bacteria isolated from sugarcane

Plant growth-promoting bacteria (PGPB) are known to establish positive relationships with plants. They act in favoring plant nutrition, production of phytohormones, control of pathogens and enhancement of stress tolerance. Thus, this study aimed to isolate bacteria from soil, rhizosphere, and root endosphere from sugarcane cultivated in the Southeastern of Brazil, to prospect strains with potential for plant gr...

Sequential process of solid-state cultivation with fungal consortium and ethano...

Bioprocessing of shrimp wastes to obtain chitosan and its antimicrobial potenti...

Can ethanol partially or fully replace sulfuric acid in the acid wash step of b...

Agro-industrial wastes as sources of bioactive compounds for food and fermentat...

Propolis as a potential alternative for the control of Dekkera bruxellensis in ...