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| Study on Adsorption Properties of Poplar-based Porous Carbon Prepared by Steam Explosion Pretreatment |
| Received:August 30, 2022 |
| DOI：10.11981/j.issn.1000-6842.2022.04.47 |
| Key Words:poplar;steam explosion;porous carbon;methylene blue;adsorption performance |
| Fund Project:国家自然科学基金（32171718）。 |
| Author Name | Affiliation | Postcode | | WANG Huimei* | State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | ZHENG Liang | State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 | | LIU Yu | State Key Laboratory of Biobased Material and Green Papermaking， Qilu University of Technology （Shandong Academy of Sciences）， Ji'nan， Shandong Province， 250353 | 250353 |
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| Abstract: |
| Steam explosion technology was used to pretreat poplar chips to prepare poplar-based porous carbon； the effect of steam explosion on the properties of the as-prepared porous carbon was studied. N2 adsorption-desorption， SEM， and FT-IR were used to characterize the porous carbon. The results showed that the PCSE-N prepared from steam-exploded poplar with adding urea had the highest specific surface area， up to 3002 m2/g， which was higher than that of PCNP-N （2698 m2/g） prepared from poplar without steam explosion. Moreover， PCSE-N was of high mesoporous specific surface area （1976 m2/g）. The adsorption properties of the prepared porous carbon were analyzed by using methylene blue as the adsorbent. The adsorption capacity of PCSE-N towards methylene blue was as high as 1726 mg/g， and the adsorption process conformed to the pseudo-second-order kinetic equation and Langmuir model. |
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