According to the statistical results of the porous structure parameters of the materials in Table 2 , the specific surface area and total pore volume of the acid-impregnated residue showed an increasing trend with the increase of nitric acid concentration, while the mean pore diameter showed a decreasing trend.
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Mechanism of one-step hydrothermal nitric acid treatment for producing high adsorption capacity porous materials from coal gasification fine slag.
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