Engineering, 05.11.2020 18:40 abby2572
Switchgrass is used for ethanol production. The compositions of the switchgrass are 37% cellulose, 24% xylan, 3% galactan, 4% arabinan, 20% lignin, 7% extractives, and 5% ash. Dilute acid pretreatment method is applied to the switchgrass before enzymatic hydrolysis and fermentation. The pretreatment hydrolyzes 10% hexosan and 90% pentosan into monomeric sugars. Approximately 30% of the hydrolyzed pentoses are decomposed to furfural. Assume there is no decomposition of the hydrolyzed hexoses. How much sugars (glucose, xylose, galactose, and arabinose, respectively) are produced when pretreating 1,000 kg (dry matter) switchgrass?
Answers: 3
Engineering, 04.07.2019 18:10, danksans7011
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
Engineering, 04.07.2019 18:20, ashleyjaslin
Derive the correction factor formula for conical nozzle i=-(1+ cosa) and calculate the nozzle angle correction factor for a nozzle whose divergence hal-fangle is 13 (hint: assume that all the mass flow originates at the apex of the cone.
Answers: 3
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