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. 2020 Apr 14;5(16):9259–9275. doi: 10.1021/acsomega.0c00114

Table 5. PEI of Biorefinery Products.

products Ak (PEI/kg) products Ak (PEI/kg)
ethanol 0.51 furfural 5.80
butanol 1.37 carbon dioxide 0.0003
succinic acid 0.17 hydrogen 0.00
acetic acid 0.34 bio-oil 0.84
formic acid 0.39 biogas 0.01
levulinic acid 0.20