Skip to main content

Table 3 Economic evaluation of the proposed butyric acid recovery process

From: Energy-efficient recovery of fermented butyric acid using octyl acetate extraction

Variable

Extractor

Dist. I

Dist. II

Dist. III

Investment

 Column

0.247

0.128

0.094

0.055

 Tray

0.015

0.006

0.004

0.002

 Reboiler

 

0.078

0.032

0.009

 Condenser

 

0.069

0.061

0.022

 Preheater/cooler

0.123

0.083

0.003

0.001

Subtotal

0.385

0.364

0.194

0.089

Total

   

1.032

Utility

 Steam

 

0.209

0.052

0.007

 Coolant

 

0.002

0.002

0.001

Subtotal

 

0.211

0.054

0.008

Total

   

0.273

  1. The units are in million U.S. dollars and the utility cost is given per annum
Back to article page

Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

Contact us