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| Adsorption of Phenol by Wheat Straw Alkaline Lignin-based Activated Carbon |
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| DOI： |
| Key Words:K2CO3; wheat straw alkaline lignin; activated carbon; adsorption; phenol |
| Fund Project:本课题由山东轻工业学院制浆造纸国家重点实验室开放基金资助（0807）。 |
| Author Name | Affiliation | | 魏冬雪1 | 1.北京林业大学材料学院，北京，100083 | | 金小娟2，* | 2.山东轻工业学院制浆造纸工程省部共建教育部重点实验室，山东济南，250353 |
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| Abstract: |
| Wheat straw alkaline lignin-based activated carbon was prepared under the following experimental conditions: ratio of anhydrous K2CO3 and wheat straw alkaline was 4∶1, activating temperature was 800℃, activating time was 1 h. The yield of the activated carbon was 17.9%, the adsorption number of iodine reached 827.5 mg/g. When 100 mL phenol solution with initial concentration of phenol 250 mg/L was treated by the activated carbon, dosage of the activated carbon was 0.1 g, and the temperature was 30℃, the solution pH value was about 7, the time for adsorption equilibrium was 80 min. The adsorption behavior of activated carbon on phenol could be described by Langmuir isotherm equation. |
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