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Table 5 Investment cost comparison for various VFA recovery processes

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

Products Capacity (product t/h) Investment Normalized Remark Refs.
VFA 6.2 16.2 1.92   [53]
VFA 22 65.1 3.27 Scaled [13]
Butyric acid 1.25 13.5 4.76   [54]
VFA 0.1 1.26 2.02   [9]
Butyric acid 0.27 1.03 1.03   This study
  1. The units are in million US dollars. The scaled investment is computed from total investment using the ratio of the purification process in [53, 54]. The investment normalization is based on this study used a scaling-up exponent of 0.68 [55]
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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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