Table 2 The compositions and characteristics of the bioflocculants produced from 0.5% (w/v) untreated corn stover by Pseudomonas sp. GO2

Compositions

 Polysaccharide

59.0 ± 3.84%

 Protein

32.1 ± 2.61%

 Nucleic acid

6.1 ± 0.90%

 Uronic acid

34.2 ± 1.85%

Characteristics

 Maximum yield

316 ± 10.8 mg g⁻¹ dry biomass

 Viscosity

1.352 ± 0.008 cPs (1.0 g L⁻¹)

 Molecular weight

1.33 × 10⁶ Da

 Charge density

− 1.007 ± 0.016 meq g⁻¹ bioflocculants

 Zeta potential

− 57.38 ± 0.18 mV