Gevo announced that it has developed proprietary, breakthrough processes that converts either low-carbon isobutanol or low-value "fusel
oils," a mixture of alcohols that are byproducts from fermentation processes such as alcohol production, into renewable diesel.
It constitutes the significant portion of fusel
oil and is identified as ester among chamomile oil and other oils.
and control of temperature, "fruity" or "floral" notes appear due to the formation of esters and fusel
alcohols by non-Saccharomyces strains (NOGUEIRA et al., 2008; PIETROWSKI et al., 2012).
Liu, "Effect of fusel
oil addition on volatile compounds in papaya wine fermented with Williopsis saturnus var.
In addition, sulfur retention ability of Bayer red mud from an alumina plant was improved by fusel
salt and waste mother liquor of sodium ferrocyanide as the main sulfur fixation agent and the calcium based natural mineral materials as servicing additives.
As the distillation continues, the temperature increases, and Karasz begins to notice some cloudiness in the spirits, signifying the presence of fusel
alcohols, known as "the tails." At this point he stops the distillation run.
oil, released into the water whenever coffee grounds are boiled, causes bitterness; however, fusel
oil is not released into water at less than boiling temperatures.
Dehydration of alcohols present in fusel
oil and its conversion to alkenes using a HZSM-5 zeolite
"The first [five] percent of the run, aka the foreshots or heads, contains large amounts of cogeners, or volatile chemical compounds such as acetone, aldehydes, esters, and fusel
oils." Gurstelle, supra note 14, at 61.
Cortes-Callejas, "Addition of protease during starch liquefaction affects free amino nitrogen, fusel
alcohols and ethanol production of fermented maize and whole and decorticated sorghum mashes," Biochemical Engineering Journal, vol.
W Wagener, "The influence of ester and fusel
alcohol content upon the quality of dry white wine," South African Journal of Agricultural Science, vol.