Table 8 Change of accumulated adsorption capacity of 1 g lignite with time.

From: Study on the characteristics of nitrogen dioxide adsorption and storage of coal residue in coal-fired power plants in goaf

Time (h)

NO2 (ml)

CO2 (ml)

N2 (ml)

O2 (ml)

1

0.0100

0.7214

0.0098

0.0148

2

0.0216

0.8541

0.0173

0.02043

3

0.03043

0.9014

0.0223

0.02251

4

0.03537

0.9181

0.0255

0.02387

5

0.03958

0.9289

0.0277

0.02492

6

0.04312

0.9367

0.0289

0.02570

7

0.04618

0.9433

0.0295

0.02624

8

0.04888

0.9475

0.0301

0.02678

9

0.05098

0.9505

0.0307

0.02732

10

0.05224

0.9529

0.0307

0.02768

11

0.05272

0.9547

0.0307

0.02798

12

0.05278

0.9553

0.0307

0.02828

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