Research Article
Study on the Adsorption Effect of Renewable Biochar Based on Energy Gain
Table 3
Competitive adsorption model of Cd2+ in acidic solution of straw carbon.
| | Adsorption model | Sample types | Linear regression equation | | | | |
| | Langmuir | RS300 | | 0.2566 | 17.5 | — | — | | RS500 | | 0.5073 | 1428.6 | — | — | | RS700 | | 0.4490 | 20.5 | — | — | | Freundlich | RS300 | | 0.9532 | — | 8.8 | 1.88 | | RS500 | | 0.9985 | — | 7.2 | 1.75 | | RS700 | | 0.9904 | — | 7.9 | 2.19 |
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