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Table 4 Physicochemical properties of WB and KWB and comparison with those from literature

From: Degradation of a leather-dye by the combination of depolymerised wood-chip biochar adsorption and solid-state fermentation with Trametes villosa SCS-10

Adsorbent

SBETa (m2 g−1)

Pore diameter (nm)

Pore volume (cm3 g−1)

pHpzcb

qe (mg g−1)c

Dye

Reference

WBd

3.4

0.61

0.008

4.5

23.6 ± 0.4

AB161

This work

NWBe

22.6

0.59

0.040

 

30.5 ± 0.8

AB161

This work

KWBf

50.4

1.90

0.081

 

46.7 ± 0.4

AB161

This work

Cattle hair biomass waste

0.9

2.91

0.0007

6.5

104.8

AB161

Mella et al. (2017)

Microalgae biomass

3.5

6.63

0.008

4.2

75.8

AB161

da Fontoura et al. (2017)

T. villosa biomass

1.3

3.76

0.001

2.2

221.6

AB161

Puchana-Rosero et al. (2017)

Fe2O3-impregnated pulp and paper sludge biochar

174

1.70–300

3.5

2.1

22.0

Methyl orange

Chaukura et al. (2017)

5Al-coated black willow wood biochar

27.9

–

0.024

–

35.0

Methylene blue

Wang et al. (2017)

Wood-chip biochar

 < 0.01

2597

–

–

110.0

Congo red

Sewu et al. (2017)

–

195.6

Cristal violet

Pecan nutshell biochar

93

1.20

0.0055

–

130

Reactive Red 141

Zazycki et al. (2018)

Algae biochar

167.0

–

–

–

51.3

Congo red

Nautiyal et al. (2016)

  1. aBET surface area
  2. bpH value corresponding to the point-of-zero charges
  3. cAmount of dye uptake at equilibrium
  4. dWood-chip biochar (WB)
  5. eNaOH–depolymerised biochar (NWB)
  6. fKMnO4–depolymerised biochar (KWB)