Table 1 Feed mixture conditions and product requirements

Feed flow rate

20,000 kg/h

Feed component and composition (wt%)

Water (87.5); 2,3-BDO (9.3); formic acid (0.027); acetic acid (0.89); lactic acid (0.0712); succinic acid (0.2026); ethanol (1.05); acetoin (0.934)

Feed and column pressure

1 atm

Feed and extractor temperature

25 °C

Product requirement

1691.28 kg/h of 2,3-BDO ≥ 99 wt%