Table 1 Characterization of biochars.

From: Changes in surface characteristics and adsorption properties of 2,4,6-trichlorophenol following Fenton-like aging of biochar

Samples

Bulk element composition (%)a

Surface composition (%)b

N

C

Ash

N

C

O

S

pH

BB

0.9

67.2

30.20

3.06

82.04

12.42

0.63

9.51

ABB

1.07

68.57

28.32

2.9

82.62

11.12

0.71

/

PB

1.05

55.8

23.12

2.8

79.77

14.39

0.67

9.16

APB

1.48

58.5

21.56

2.67

77.1

16.01

0.85

/

  1. BB bush biochar, ABB aged bush biochar, PB peanut shell biochar, APB aged peanut shell biochar.
  2. aData obtained using an elemental analyzer.
  3. bXPS measurement.
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