Table 3 Testing data for the pore structure of various coal samples.

From: An investigative and simulative study on the wetting mechanism of alkaline dust suppressant acting on long-flame coal

Solution type

Group

BETSSA

(m2/g)

Overall pore capacity

(10−3cm3/g)

pore capacity

(10−3cm3/g)

Mean pore dimension. (nm)

Vmic

Vmes

Vmac

Raw coal

C1

8.053

8.786

1.044

5.981

1.761

9.406

0.05 wt% SAS60

C2

7.905

9.076

0.958

6.245

1.873

10.632

0.05 wt%SAS60 + 0.1 wt%Na2CO3

C3

8.094

9.485

1.102

6.368

2.015

10.861

0.05 wt%SAS60 + 1.0 wt%Na2CO3

C4

8.706

10.743

1.312

7.162

2.269

11.832