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Table 2 Low acid and low temperature pretreatment conditions used in this study, compared with conditions from the 2011 NREL design model

From: Improved ethanol yield and reduced minimum ethanol selling price (MESP) by modifying low severity dilute acid pretreatment with deacetylation and mechanical refining: 2) Techno-economic analysis

 

2011 Design

Low Acid in this Study

Sulfuric acid loading

22 mg/g dry biomass

8 mg/g dry biomass

Residence time

5 minutes

20 minutes

Temperature

158°C

150°C

Pressure

5.5 atm

4 atm

  1. A 30% total solid loading is applied for both conditions.
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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