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Table 4 COD values and removal rates before and after membrane ultrafiltration with 100, 10, and 1 kDa

From: Methane potentials of wastewater generated from hydrothermal liquefaction of rice straw: focusing on the wastewater characteristics and microbial community compositions

Ultrafiltration

200 °C–0.5 h

320 °C–0.5 h

COD, g/L

R R, %

COD, g/L

R R, %

Raw WW

27.58 ± 2.89

–

24.33 ± 1.19

–

100 kDa

26.81 ± 1.91

2.79 ± 0.20

24.03 ± 0.97

1.23 ± 0.05

10 kDa

25.79 ± 0.71

6.49 ± 0.18

23.17 ± 1.11

4.77 ± 0.23

1 kDa

18.25 ± 1.03

33.82 ± 1.91

19.34 ± 0.45

20.51 ± 0.48

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Biotechnology for Biofuels and Bioproducts

ISSN: 2731-3654

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