Biorefinery is a new term to designate two main subjects, bioproducts and bioenergy, which play important roles towards a more bio-based society. This paper reviews the current biorefineries model as well as its futur...Biorefinery is a new term to designate two main subjects, bioproducts and bioenergy, which play important roles towards a more bio-based society. This paper reviews the current biorefineries model as well as its future importance focusing on pulp mill opportunities. There are currently several different levels of integration in biorefineries which add to their sustainability, both economically and environmentally. Enzymatic pretreatment for biomass deconstruction aiming to release the polysaccharides is a key technology in the future biorefineries and it is currently the subject of intensive research.展开更多
The fermentation of the melon has been used to produce alcoholical beverages.In this process,the metabolism of the yeasts respiro-fermentative is influenced by nitrogen addition and correcting of the pH.The respiro-fe...The fermentation of the melon has been used to produce alcoholical beverages.In this process,the metabolism of the yeasts respiro-fermentative is influenced by nitrogen addition and correcting of the pH.The respiro-fermentative behavior of two yeast in presence of ammonium phosphate and adjusted pH were determined per stoichiometric of the sugars breathed and fermented.The addition of ammonium phosphate reduced the lag phase of baker’s and CA-11 yeasts in the musts without pH adjustment.The highest rates of sugar fermentation were observed for baker’s yeast with adjusted pH,while this same adjustment favored the respiratory metabolism in CA-11 yeast.The highest rates of sugar fermentation in musts with sole addition of ammonium phosphate were observed in CA-11 yeast.Therefore,the behavior respiro-fermentative of yeasts was different in presence of ammonium phosphate and pH adjustment during the fermentation of the melon.展开更多
基金Funding provided by the European Community’s Seventh Framework Programme FP7/2007-2013 under grant agreement no KBBE-2009-3-244362 LignoDeco,from the Minas Gerais State Research Foundation(FAPEMIG)
文摘Biorefinery is a new term to designate two main subjects, bioproducts and bioenergy, which play important roles towards a more bio-based society. This paper reviews the current biorefineries model as well as its future importance focusing on pulp mill opportunities. There are currently several different levels of integration in biorefineries which add to their sustainability, both economically and environmentally. Enzymatic pretreatment for biomass deconstruction aiming to release the polysaccharides is a key technology in the future biorefineries and it is currently the subject of intensive research.
文摘The fermentation of the melon has been used to produce alcoholical beverages.In this process,the metabolism of the yeasts respiro-fermentative is influenced by nitrogen addition and correcting of the pH.The respiro-fermentative behavior of two yeast in presence of ammonium phosphate and adjusted pH were determined per stoichiometric of the sugars breathed and fermented.The addition of ammonium phosphate reduced the lag phase of baker’s and CA-11 yeasts in the musts without pH adjustment.The highest rates of sugar fermentation were observed for baker’s yeast with adjusted pH,while this same adjustment favored the respiratory metabolism in CA-11 yeast.The highest rates of sugar fermentation in musts with sole addition of ammonium phosphate were observed in CA-11 yeast.Therefore,the behavior respiro-fermentative of yeasts was different in presence of ammonium phosphate and pH adjustment during the fermentation of the melon.
